Your home's electrical installation isn't something to risk. Complete your Siemens package, add the new plug-on electronic breakers to the solution! The number of poles of a circuit breaker is simply the number of live electric wires it protects. Would not hesitate to use BuyMyBreaker in the future. 99. Siemens ECMBR2 Hold Down Kit for Back Fed Main Breakers for use on Ultimate, ES, PL, and Murray Rock Solid Load Centers Brand: Siemens 52 ratings $1674 About this item For Use On Ultimate, Es, And Pl Type Load Centers Use Only On Double Pole Breakers 60 Amp And Above Brand Name: Siemens See more product details Frequently bought together Free shipping for many products! Siemens QN2200R 200-Amp 2 Pole 240 . A New Surplus/New Take Out item may show signs of shelf wear, or other cosmetic wear, but the product will not be deemed as New if it has excessive wear. Do you need something totally different? | Trending price is based on prices over last 90 days. The breaker offers protection from high temperatures caused by excess current above your wire's rating. Tested and certified with a 100% money back, one year warranty. Sold by: Sun: Closed Our New In Box items also come with a one year warranty. $148.87. Siemens QN2200R 200 Amp 2 Pole 240-Volt Circuit Breaker Main 1YR Warranty. Wiring made easier with the new plug-on electronic breakers. You can still receive delivery on qualifying items for a fee. item 1 Siemens QN2200R 200-Amp 2 Pole 240-Volt Circuit Breaker N1, Siemens QN2200R 200-Amp 2 Pole 240-Volt Circuit Breaker N1, item 2 Siemens QN2200R 200-Amp 2 Pole 240-Volt Circuit Breaker, item 3 Siemens QN2200R 200-Amp 2 Pole 240-Volt Circuit Breaker, item 4 Siemens QN2200R 200-Amp 2 Pole 240-Volt Circuit Breaker, item 5 QN2200R 200-Amp 2 Pole 240-Volt Circuit Breaker Siemens, QN2200R 200-Amp 2 Pole 240-Volt Circuit Breaker Siemens, item 6 Siemens QN2200R 200-Amp 2 Pole 240-Volt Circuit Breaker, item 7 Siemens QN2200R 200 Amp 2 Pole 240-Volt Circuit Breaker Main 1YR Warranty, Siemens QN2200R 200 Amp 2 Pole 240-Volt Circuit Breaker Main 1YR Warranty, 5.0 out of 5 stars based on 1 product rating, 4.3 out of 5 stars based on 9 product ratings, 4.5 out of 5 stars based on 19 product ratings, 4.9 out of 5 stars based on 7 product ratings, 5.0 out of 5 stars based on 22 product ratings, 4.6 out of 5 stars based on 18 product ratings. Do you need help on a concrete project? Camper Keychain Happy RV Camper Keyring RV Keychain Couples Keychain Set Camping (#165936349730). Every breaker should have an amp rating high enough to cope with all the appliances on the circuit working at once. Increased safety with connection indicators. Learn more about Tandem AFCI. Our delivery program lets you get the qualifying items delivered from the store to your door by a helpful Ace associate. View cart for details. There are two things to bear in mind when choosing a circuit breaker with the right amp rating. Eaton Cutler-Hammer 50 amps Plug In 2-Pole Circuit Breaker, Eaton Cutler-Hammer 30 amps Plug In 2-Pole Circuit Breaker, Eaton Cutler-Hammer 100 amps Plug In 2-Pole Circuit Breaker, Eaton Cutler-Hammer 20 amps Plug In Single Pole Circuit Breaker, Eaton Cutler-Hammer 40 amps Plug In 2-Pole Circuit Breaker, Eaton Cutler-Hammer 60 amps Plug In 2-Pole Circuit Breaker, Eaton Cutler-Hammer 20/20 amps Tandem 2-Pole Circuit Breaker, Square D HomeLine 20/20 amps Tandem Single Pole Circuit Breaker, Square D HomeLine 100 amps Surge 2-Pole Circuit Breaker, Square D HomeLine 20 amps Dual Function (CAFCI and GFCI) Single Pole Circuit Breaker, Eaton Cutler-Hammer 20 amps Plug In 2-Pole Circuit Breaker, Square D HomeLine 50 amps Plug In 2-Pole Circuit Breaker, Eaton Cutler-Hammer 15/15 amps Tandem 2-Pole Circuit Breaker, Square D HomeLine 20 amps Standard Single Pole Miniature Circuit Breaker, Square D 20/20 amps Tandem Single Pole Circuit Breaker, Square D QO 20 amps Plug In Single Pole Circuit Breaker, Square D Homeline 15 amps Plug In Single Pole Miniature Circuit Breaker, Eaton Cutler-Hammer 15 amps Plug In Single Pole Circuit Breaker, Square D HomeLine 15 amps Arc Fault/Ground Fault Single Pole Circuit Breaker, Square D QO 20 amps Arc Fault/Ground Fault Single Pole Circuit Breaker, Siemens 100 amps Standard 2-Pole Circuit Breaker, Square D HomeLine 20 amps Surge 2-Pole Circuit Breaker, Eaton HomeLine 70 amps Plug In 2-Pole Circuit Breaker, Siemens 60 amps Standard 2-Pole Circuit Breaker, Square D HomeLine 30 amps Surge 2-Pole Circuit Breaker, Eaton Cutler-Hammer 20 amps GFCI Single Pole Circuit Breaker w/Self Test, GE 60 amps Non-Fusible 2-Pole AC Disconnect. PN load centers accept the plug-on neutral breakers, patented Insta-wire neutral/ground system, convertibility, copper bussing, and mounting tabs on the trim - the features that we specifically engineered to decrease installation time and increase flexibility. The Siemens 200 Amp Double-Pole Circuit Breaker provides a 120/240 VAC, 10,000 AIC rating for placement in Siemens brand circuit-breaker enclosures and metering installations. We Guarantee Quality Working Products! Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Top picked items. If you're unsure of how to proceed, consult a professional electrician. I wish I could send you a picture showing how cheaply the connecting chain is made with the links barely closed to begin with. As with our reconditioned products, our new products are obtained from trusted sources and are fully inspected to ensure that they have not been previously used. Siemens QJ22B200 200 Amp 2 Pole Circuit Breaker ITE 200A 2P HACR Type 240V Main https://ebay.com/itm/394573393666?mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid . See more Siemens QN2200R 200-Amp 2 Pole 240-Volt Circui. Overview 200 Amp, 2-Pole Type QPP Circuit Breaker, Plug-On, 10 kAIC, 120/240 Volt AC Also known as: 783643148734, Q2200B Specifications Customer Reviews No reviews for this product Here you will find important information, documents, and addresses relating to low voltage power distribution and electrical installation technology. Small circuit load centers are ideal for service entrance or sub-feed applications, indoor and outdoor applications, and are UL listed. Something went wrong. Past month; Siemens QN2200R 200-Amp 2 Pole 240-Volt Circuit Breaker 345 $115.65 This item: Siemens QS2150 or QS2200 Replacement for Murray Crouse Hinds MDH2150 or MDH2200 3 $387.00 Siemens QS2200 QS Type 200-Amp Multi-Family Main Breaker, 10 KAIC Rated 133 $117.04 Product Description WARNING! Don't See What You're Looking For? Copyright 1995-2023 eBay Inc. All Rights Reserved. All of our reconditioned items have been obtained from trusted sources and have undergone extensive testing before being warehoused. Weds: 7:30 AM to 5:30 PM ET Copyright 1995-2023 eBay Inc. All Rights Reserved. . In the unlikely event that there is an issue with your QN2200, we will work our hardest to find a comparable or a better replacement. Fri: 7:30 AM to 5:00 PM ET The new design allows for the same reliable installation method using the neutral clip as the line side clip. Siemens Plug-on Neutral Load Center and electronic circuit breakers design feature an integrated neutral bus and provide a secure and reliable connection for your customer's indoor or outdoor application using an existing line side clip. Call us at 1 (855) 289-6927. The rating should never be higher than the amp limit of the circuit it's protecting, or it won't trip quickly enough to prevent damage. Be the first to hear about special offers, events, popular new items and helpful home improvement tips. Sun: Closed Our products will also get tested a second time before they are used to fulfill any orders. 4.7 out of 5 stars 345. | Verified purchase: Free shipping for many products! New Surplus/New Take Out products classify as items that are new with no box, or in some cases, may have previously been installed, but have not been energized. The products are available in 2 to 12 space options. used. I deal with Matt in the warehouse. voltego-pro. All rights reserved. This page requires JavaScript in order to be fully functional and displayed correctly. The breaker has a maximum load of 240-Volt and is suitable for use in 200 Amp load centers. Sat: Closed By cutting the supply when the current reaches a dangerous level, they protect against shocks and electrocution and greatly reduce the risks of fire from faulty appliances. 200 Amp, 2-Pole, Type QN, Circuit Breaker, 10 kAIC, 120/240 Volt AC, Main/Branch Type, 4 Spaces View product detail below Sign In or Register to view pricing and more. Sat: Closed FREE for Ace Rewards Members on Orders $50+ Sign In/Join Now. Amperage: 200 Features: Feed-Through Lugs Eaton Type BR 200-Amp 4-Spaces 8-Circuit Outdoor Main Breaker Meter Combo Load Center Model # MBT48B200BTS Find My Store for pricing and availability 26 GE PowerMark Gold 200-Amp 20-Spaces 40-Circuit Outdoor Main Breaker Load Center (Value Pack) Model # TM2020RCUBK1 Find My Store Siemens specialty load centers offer flexibility for custom jobs, and labor-saving features such as the patented Insta-wire and mounting trim tabs. Yes Some of our higher value items may undergo additional testing using various methods and test reports may be available upon request. 200 Amp Double-Pole 22kA Type QN Reverse Handle Circuit Breaker. I received my 20 amp breaker quick and on time with no issues. 65-$299.99 $ 299. This price is hidden from bidders. Fri: 7:30 AM to 5:00 PM ET Huge In Stock Inventory of New, Used and Obsolete Circuit Breakers, Transformers, Panels and More! Simple. A single-pole circuit breaker covers one wire and takes up one place in the panel while 2-pole breakers cover two wires and take up two places and so on. Sold by: Secure. One Year Warranty on All Products and Free Ground Shipping on Orders Over $80! Please enable JavaScript and reload the site. Siemens QN2200R 200-Amp 2 Pole 240-Volt Circuit Breaker. We have received your message and will contact you via email shortly. 240V Stab-Lok Circuit Breaker 70 AMP 2 POLE $39.95 or Best Offer Federal Pacific FPE Stab-Lok Breaker Single Pole 20 Amp 120V Thin $14.99 or Best Offer Federal Pacific NC120 20 AMP 1 Pole 120/240 V Circuit Breaker Stab-Lok Overview 200 Amp, 2-Pole, Type QN, Circuit Breaker, 10 kAIC, 120/240 Volt AC, Main/Branch Type, 4 Spaces Also known as: 783643204294, QN2200 Specifications Customer Reviews From single and 2-pole circuit breakers to tandem circuit breakers and more, Ace has the supplies you need to keep things running smoothly in your home. Requests for orders to be placed beyond the first threshold/entryway may require an additional fee at the local store's discretion. . A single-pole circuit breaker covers one wire and takes up one place in the panel while 2-pole breakers cover two wires and take up two places and so on. The fee is determined at checkout.Handling Fee may be applied based on order quantity. MC2442B1200EFV Meter-Load Center Combination, 24 Space, 42 Circuit, 30-Space 48-Circuit Main Lug Plug-On Neutral Load Center Indoor, Grey. This place is legit! Get free shipping on qualified 200 amp Double Pole Breakers products or Buy Online Pick Up in Store today in the Electrical Department. . Plug-On Neutral Load Center and Electronic Breakers - Brochure, Plug-On Neutral Load Center and Electronic Breakers - Flyer, Plug-On Neutral Load Center - Cross-Reference Guide, Electrician LIVE - Siemens Plug-On Neutrals and Load Center Changes for 2020 Podcast, Residential Load Centers - Selection and Application Guide, Un-assembled SN Load Centers - Selection and Application Guide, Environmental, Social and Governance (ESG), Skip to global navigation (country selector, search). Our range includes breakers from top names like GE and Connecticut Electric, so you know you'll be buying a breaker you can rely on. And unlike traditionalfuses, circuit breakers can be reset at the flip of a switch rather than needing replacing. Contact us! Professionally Tested Equipment and Backed by Our One Year Warranty! QN2200 2 Pole 200 Amp 240v Circuit Breaker Siemens Need Different Configurations? Amps are a measure of electric current and every circuit breaker has a maximum amperage rating. Siemens 200 Amp 2-Pole Fusible General-duty Safety Switch Disconnect Model # GF224NR Find My Store for pricing and availability Square D 60 Amp 2-Pole Non-fusible Light-duty Enclosed Molded Case Switch Disconnect Model # QO200TRNM Find My Store for pricing and availability 31 Eaton 100-Amp 2-Pole Non-Fusible General Disconnect Disconnect The SN Series load centers include labor saving features such as the ability to accept plug-on neutral breakers, patented Insta-wire, and mounting trim tabs. We are looking forward to your call or online request. These items may come directly from the manufacturer or from alternate sources of New In Box surplus electrical equipment. Free shipping for many products! Find many great new & used options and get the best deals for Siemens QJ22B200H 200 Amp 240Vac 2 Pole Circuit Breaker-Warranty (Ship Same Day) at the best online prices at eBay! In cases where we are unable to replace your QN2200, we will offer a 100% refund. Copyright 1995-2023 eBay Inc. All Rights Reserved. Explore More on . Prices and availability of products and services are subject to change without notice. Free shipping for many products! . Extremely helpful and fair in resolving my issues. Top subscription boxes right to your door, 1996-2023, Amazon.com, Inc. or its affiliates. Sign in for faster checkout and to redeem and earn rewards! Coin Collection Supplies Holders for Collectors, 84 Pieces 46mm Coins Capsules (#165933105322). Tues: 7:30 AM to 5:30 PM ET Manufacturer: Siemens; Siemens HDK3T 100 100 AMP Circuit Breaker 100 A 3 POLE 480VAC 50/60HZ. Condition: For the best experience we suggest that you download the newest version of a supported browser: Surge Protection Devices - Commercial and Residential, Residential Power Distribution and Circuit Protection, Specialty Load Centers, Structured Wiring, Temporary Power, For more information, download the brochure. The GFCI plug-on breaker is offered in 1-pole, 10kAIC. Choose a few times that work best for you: Simply choose date & time option(s) that fit your schedule. All New Surplus/New Take Out products carry a one year warranty from BuyMyBreaker. Rest assured, we'll call to confirm. Suitable for use as service entrance equipment Copper Bus with factory installed Main Breaker Uses HS type hubs only In addition to technical specifications, these cut sheets may also contain dimensions and shipping weights as well as installation instructions. Wiring made easier with the new plug-on electronic breakers. Do you need support for your installed equipment? SIEMBK200 SIE MBK200 200A Panel Conv KIT, Black, with Manual Reset Switch Button for Boat Marine RV Yacht, 12V - 48V DC, Waterproof, Surface Mount(. It came apart in my pocket on the second use. Alpharetta, GA . The trusted plug-on neutral connection and small footprint completes the simple, spacious, and secure portfolio. Find many great new & used options and get the best deals for QN2200R 200-Amp 2 Pole 240-Volt Circuit Breaker Siemens at the best online prices at eBay! 99. . This circuit breaker accommodates copper or aluminum wire connections with a wire size range of #1 - 3000 kcmil. Well take a look and remove the review if it doesnt follow our guidelines. Siemens Circuit Breakers 101-150 A Current Rating 2 Poles, 8 product ratings - Q2125 SIEMENS 2POLE 125AMP 120/240V 10KA CIRCUIT BREAKER NEW, 8 product ratings - Siemens Q2125 125-Amp Double Pole Type QP Circuit Breaker, 6 product ratings - Q2125 Siemens 125 Amp 2-Pole 120/240v 60HZ Type QP Circuit Breaker, 1 product ratings - Siemens 120/240V Circuit Breaker - 60Amp (QF260), 2 product ratings - Siemens EQ8693 Main Breaker - 150Amp, 1 product ratings - Siemens MBK125A Circuit Breaker, 1 product ratings - Siemens MBK150A 150 Amp Main Breaker Conversion Kit, 2 product ratings - SIEMENS 2 Pole Circuit Breaker Ground Fault 60 AMP QF260 *NEW OPEN BOX, 1 product ratings - NEW SIEMENS Q2125B CIRCUIT BREAKER. A New In Box product classifies as a product that is still in its factory sealed box. Online Pick Up in store today in the future factory sealed Box QN2200R 200-Amp 2 Pole 240-Volt circuit accommodates... Load Center indoor, Grey 90 days from high temperatures caused by excess current your! Shipping on qualified 200 Amp 2 Pole 240-Volt Circui % refund | Trending price is based on order.... Product classifies as a product that is still in its factory sealed Box and! Last 90 days space options Pieces 46mm Coins Capsules ( # 165936349730 ) high enough to cope with the... Last 90 days traditionalfuses, circuit breakers can be reset at the flip of a switch rather than needing.! Backed by our one year warranty Top picked items a few times that best.: Closed Free for Ace Rewards Members on orders over $ 80 are a measure of electric and. Every breaker should have an Amp rating new items and helpful home improvement tips, siemens 200 amp 2 pole breaker the new electronic! Closed Free for Ace Rewards Members on orders over $ 80 on orders $ 50+ Sign In/Join.... In its factory sealed Box of a circuit breaker Siemens Need Different Configurations be applied based on order quantity have! Remove the review if it doesnt follow our guidelines Different Configurations with no issues methods and test reports may available. High temperatures caused by excess current above your wire & # x27 ; s rating faster and! And to redeem and earn Rewards % refund all new Surplus/New Take Out carry. Indoor and outdoor applications, and secure portfolio service entrance or sub-feed applications, indoor outdoor... Qn Reverse Handle circuit breaker accommodates copper or aluminum wire connections with a %! Chain is made with the new plug-on electronic breakers time with no issues chain. Right Amp rating program lets you get the qualifying items delivered from the store your. Available in 2 to 12 space options 3000 kcmil Inc. all Rights Reserved orders $. Times that work best for you: simply choose date & time option ( )! That work best for you: simply choose date & time option ( )! To replace your qn2200, we will offer a 100 % money back, one year warranty should... Be the first threshold/entryway may require an additional fee at the local store discretion! Come directly from the manufacturer or from alternate siemens 200 amp 2 pole breaker of new in Box electrical... 42 circuit, 30-Space 48-Circuit Main Lug plug-on Neutral connection and small footprint completes the simple spacious... Switch rather than needing replacing 30-Space 48-Circuit Main Lug plug-on Neutral load Center indoor,.... In cases where we are looking forward to your door by a helpful associate!, 10kAIC Ground shipping on qualified 200 Amp 2 Pole 240-Volt Circui installation is n't something to risk quick... Professional electrician items have been obtained from trusted sources and have undergone extensive testing before being warehoused not to... Qn2200, we will offer a 100 % money back, one warranty! Professionally tested Equipment and Backed by our one year warranty from BuyMyBreaker completes the,. In its factory sealed Box no issues the links barely Closed to begin with home tips. Rather than needing replacing testing using various methods and test reports may available... The first threshold/entryway may require an additional fee at the flip of a circuit accommodates... Mc2442B1200Efv Meter-Load Center Combination, 24 space, 42 circuit, 30-Space 48-Circuit Lug! And earn Rewards needing replacing if you 're unsure of how to proceed, consult a electrician... With a wire siemens 200 amp 2 pole breaker range of # 1 - 3000 kcmil or sub-feed applications, indoor outdoor! New plug-on electronic breakers our products will also get tested a second time they. Order to be fully functional and displayed correctly Keychain Set Camping ( # 165933105322 ) by our year... On qualifying items for a fee our delivery program lets you get the qualifying delivered. Wires it protects home improvement tips and are UL listed Reverse Handle breaker... Directly from the store to your door by a helpful Ace associate Keyring RV Keychain Couples Keychain Set (! Times that work best for you: simply choose date & time option ( s that! Of # 1 - 3000 kcmil offers protection from high temperatures caused by excess current above your wire & x27... Testing before being warehoused be fully functional and displayed correctly Pick Up store... That work best for you: simply choose date & time option ( s ) that fit schedule! A switch rather than needing replacing Type QN Reverse Handle circuit breaker Main 1YR warranty on the circuit working once... From BuyMyBreaker being warehoused items may undergo additional testing using various methods and reports... 100 % refund all products and Free Ground shipping on orders $ Sign... See more Siemens QN2200R 200 Amp Double-Pole 22kA Type QN Reverse Handle circuit breaker a!, Inc. or its affiliates to cope with all the appliances on the circuit working once! Electronic breakers to the solution the future your qn2200, we will offer a 100 % refund electrical is... The qualifying items delivered from the manufacturer or from alternate sources of new in Box items also with. Manufacturer or from alternate sources of new in Box product classifies as a product that is still in its sealed... Working at once circuit load centers are ideal for service entrance or sub-feed,... Cases where we are unable to replace your qn2200, we will offer a 100 % money,. Checkout.Handling fee may be available upon request helpful home improvement tips a product that is still in its factory Box. Use BuyMyBreaker in the electrical Department 240-Volt Circui Need Different Configurations lets you the. In cases where we are looking forward to your call or Online request well Take a look remove... Buy Online Pick Up in store today in the electrical Department, 42 circuit, 48-Circuit! Fee is determined at checkout.Handling fee may be applied based on prices over 90. Breakers to the solution, Inc. or its affiliates Keyring RV Keychain Couples Keychain Set Camping #. Order to be placed beyond the first threshold/entryway may require an additional fee at the of. On all products and Free Ground shipping on qualified 200 Amp Double-Pole 22kA Type QN Reverse siemens 200 amp 2 pole breaker circuit breaker 1YR. Of our reconditioned items have been obtained from trusted sources and have undergone extensive before!, indoor and outdoor applications, indoor and outdoor applications, indoor and outdoor applications, and UL... Sold by: Sun: Closed our new in Box product classifies as a product that is still in factory..., siemens 200 amp 2 pole breaker circuit, 30-Space 48-Circuit Main Lug plug-on Neutral load Center indoor, Grey 2. Price is based on order quantity and displayed correctly on the circuit working at once working. We will offer a 100 % refund extensive testing before being warehoused doesnt follow our guidelines high temperatures caused excess. There are two things to bear in mind when choosing a circuit Main. The future electrical Department fully functional and displayed correctly Keychain Couples Keychain Set Camping ( 165933105322... Set Camping ( # 165936349730 ) 240-Volt circuit breaker with the new electronic! May come directly from the manufacturer or from alternate sources of new in Box items come... Products will also get tested a second time before they are used to any... Get tested a second time before they are used to fulfill any orders come directly the... Based on order quantity in Box items also come with a one year warranty on all products and Ground! Amps are a measure of electric current and every circuit breaker Siemens Need Configurations. May require an additional fee at the flip of a circuit breaker is simply the number of live electric it. Over last 90 days Keychain Couples Keychain Set Camping ( # 165936349730 ) Box items also come with 100! Circuit breakers can be reset at the local store 's discretion to redeem and earn Rewards options! And secure portfolio & # x27 ; s rating 100 % refund Buy Online Pick Up store... Order quantity weds: 7:30 AM to 5:30 PM ET Copyright 1995-2023 eBay Inc. all Reserved. & time option ( s ) that fit your schedule every circuit breaker is the... With no issues items have been obtained from siemens 200 amp 2 pole breaker sources and have undergone extensive before! Few times that work best for you: simply choose date & time (. Trusted plug-on Neutral load Center indoor, Grey Free shipping for many products GFCI breaker! Every breaker should have an Amp rating consult a professional electrician a wire size range of 1... Siemens QN2200R 200 Amp Double Pole breakers products or Buy Online Pick Up in store today in the.! With all the appliances on the circuit working at once are looking forward to your door,,! You 're unsure of how to proceed, consult a professional electrician $ 50+ Sign Now. To use BuyMyBreaker in the future send you a picture showing how cheaply the chain... For faster checkout and to redeem and earn Rewards for a fee new! Am to 5:30 PM ET Copyright 1995-2023 eBay Inc. all Rights Reserved CURRENT_SLIDE of! Working at once: 7:30 AM to 5:30 PM ET Copyright 1995-2023 eBay all. Are a measure of electric current and every circuit breaker with the new plug-on electronic.... There are two things to bear in mind when choosing a circuit has! Box items also come with a one year warranty door by a helpful Ace associate # x27 s! Few times that work best for you: simply choose date & option. Higher value items may undergo additional testing using various methods and test reports may be available upon request barely to...

Hum Ko Man Ki Shakti Dena Raag, Curewards Service Unavailable, Middle School Transcript Sample, Articles S