Buy ABB MCB 40 Amp Online – ABB 40A MCB Full Range

What is an ABB MCB 40 Amp?

An ABB MCB 40 Amp (Miniature Circuit Breaker) is a compact, automatically resettable protective device manufactured by ABB — providing overload and short-circuit protection for 40A-rated electrical circuits. The ABB 40A MCB sits at an important position in the IEC MCB current rating ladder — above the 32A final circuit range and below the 63A incomer range — making it the natural choice for high-load final circuits, residential distribution board incomers for moderate connected loads, sub-main feeders in light commercial applications, large air conditioner supplies, high-power shower circuits, EV charger feeds, and dedicated high-wattage appliance circuits. Available across five series — SH200L, SH200, S200, S200M, and S200P — the ABB MCB 40 Amp covers breaking capacities from 4.5kA to 25kA and supports B, C, and D trip curves in 1-pole through 4-pole configurations. When you buy ABB MCB 40 Amp from ElectriHub, you receive 100% genuine ABB products manufactured to IEC 60898-1 and IEC 60947-2 standards with full manufacturer warranty.

ABB 40A MCB — Series Overview and Selection Guide

The five ABB 40A MCB series map directly to specific installation tiers based on breaking capacity requirements, electrical standard classification, and accessory needs:

• ABB SH200L 40A MCB (4.5kA): Entry-level residential 40A MCB rated under IEC 60898-1. Available in B and C curves, 1P to 4P. Suited for residential consumer unit incomers and sub-main positions at the far end of a distribution network where PSCC is confirmed below 4.5kA. The most economical genuine ABB 40A MCB — ideal for large-volume residential housing projects where cost is the primary driver and fault current levels are low. Not suitable for commercial or industrial classified panels
• ABB SH200 40A MCB (6kA): Standard residential and commercial 40A MCB rated under IEC 60898-1 at 6kA. Available in B and C curves, 1P to 4P. The most widely ordered ABB 40A MCB in India — specified as the incomer or high-load sub-main MCB in residential flat distribution boards and small commercial switchboards. Correct for all residential installations where PSCC is below 6kA. Not modular-accessory compatible; not suitable for industrial IEC 61439 panels
• ABB S200 40A MCB (6kA): Commercial and industrial-grade 40A MCB, dual-rated under IEC 60898-1 and IEC 60947-2. Available in B, C, and D curves, 1P to 4P. The S200 is the mandatory ABB 40A MCB for any panel classified as an industrial switchgear assembly under IEC 61439 at 6kA. Supports the full S200 snap-on accessory system — auxiliary contacts, shunt release, undervoltage release, and rotary handles — making it the correct choice for BMS-integrated commercial panels, smart building distribution boards, and any 40A circuit requiring remote monitoring or remote trip capability
• ABB S200M 40A MCB (10kA): High breaking capacity commercial and industrial 40A MCB rated under IEC 60947-2 at 10kA. Available in B, C, and D curves, 1P to 4P. The S200M 40A is the standard specification for commercial distribution boards in large buildings, sub-main incomers close to HV/LV substations, and all industrial panels where PSCC has been calculated between 6kA and 10kA. Full S200 accessory system compatible
• ABB S200P 40A MCB (15kA / 25kA): Highest breaking capacity ABB 40A MCB — 15kA and 25kA variants — for industrial main distribution boards, data centres, critical infrastructure, and utility-scale panels. Rated under IEC 60947-2. Specified for sub-main and outgoing positions in high fault-current industrial environments where 10kA is insufficient

ABB MCB 40 Amp Part Number Guide

The ABB 40A MCB part number follows the consistent S200 family format: [Series][Poles]-[Curve]40. The series and poles prefix: SH201 / SH202 / SH203 / SH204 for SH200 (1P, 2P, 3P, 4P); SH201L / SH202L / SH203L / SH204L for SH200L; S201 / S202 / S203 / S204 for S200; S201M / S202M / S203M / S204M for S200M; S201P / S202P / S203P / S204P for S200P. The curve letter: B = B curve, C = C curve, D = D curve. For example: SH201-C40 = ABB SH200, 1-pole, C curve, 40A, 6kA — the most ordered ABB 40A MCB in India for single-phase residential incomers; S204-C40 = ABB S200, 4-pole, C curve, 40A, 6kA — for three-phase TN-S residential or light commercial incomers; S203M-C40 = ABB S200M, 3-pole, C curve, 40A, 10kA — for commercial three-phase sub-main boards; S203-D40 = ABB S200, 3-pole, D curve, 40A — for three-phase motor feeder and high-inrush load circuits. Always confirm the exact part number with ElectriHub's technical team before ordering project quantities.

ABB MCB 40A — Key Applications in Residential Wiring

The ABB 40A MCB is the dominant current rating for residential distribution board incomers in India and the Middle East — the natural sizing for a typical two-bedroom or three-bedroom flat with a standard 40A utility supply connection. Key residential applications include:

• Residential Flat Distribution Board Incomer: In Indian residential construction, the standard utility supply to a flat is typically 40A single-phase (for apartments up to approximately 3–4 BHK with moderate connected load). A ABB SH201-C40 or SH204-C40 serves as the incomer MCB — protecting the distribution board's bus and all outgoing MCBs from supply-side overcurrents and providing the main isolation switch for the flat. The 2-pole variant (SH202-C40) is specified where double-pole incomer isolation is required for safety
• Large Air Conditioner Supply Circuits (2 Ton – 2.5 Ton): Split air conditioners rated 2 ton to 2.5 ton (running current 12A–18A at 230V) are commonly specified with a dedicated 40A MCB — providing generous rated current headroom above the FLC while protecting the supply cable. The C curve tolerates compressor start-up inrush without nuisance tripping. The ABB SH201-C40 or S201-C40 is the standard specification for 2-ton AC dedicated circuits in residential and commercial consumer units
• High-Power Electric Shower Circuit (8.5kW – 10kW): Electric shower units rated 8.5kW to 10kW at 230V (approximately 37A–43A running current) require a 40A or 45A MCB for correct protection. The ABB SH201-C40 or S201-C40 is correctly specified for an 8.5kW shower unit — providing a rated current above the FLC with thermal overload protection to prevent cable overheating on sustained shower use
• EV Charger Supply Circuits (7kW–11kW): Home EV charging points rated 7kW (32A, single-phase) to 11kW (16A, three-phase) are protected by dedicated MCBs. For single-phase 7kW EVSE with a demand current of 32A, a 40A MCB provides the correct rated current headroom (1.25× FLC). The ABB S201-C40 (IEC 60947-2 rated) is specified for EV charger circuits in commercial car parks, hotel facilities, and any location where the charger enclosure is classified as commercial or industrial distribution
• Immersion Heater and Thermal Store Circuits: Large domestic immersion heaters rated 3kW–6kW combined (for dual-element cylinders or thermal store systems) up to approximately 26A are protected by a 40A MCB — the C curve providing appropriate protection for the resistive heating element load with correct cable coordination for the 6mm² or 10mm² supply cable

ABB MCB 40A — Key Applications in Commercial and Industrial Wiring

In commercial and industrial distribution boards, the ABB 40A MCB serves several important roles across different panel types and load categories:

• Sub-Distribution Board Incomer: A 40A MCB serves as the incomer for small sub-distribution boards in commercial offices, retail units, and hotel rooms — protecting the sub-board's bus and downstream outgoing MCBs from overcurrent and fault conditions on the supply feeder. The ABB S200M-C40 (10kA) is the standard commercial sub-board incomer specification in large buildings where PSCC at the sub-board exceeds 6kA
• HVAC Package Unit and Precision Cooling Supply: Commercial HVAC package units, precision air conditioning units (PAC), and close-control cooling systems in the 10kW–15kW range (running current 15A–30A at 400V three-phase) are supplied by dedicated 3-pole 40A MCBs — providing individual circuit isolation and overcurrent protection for each cooling unit in the HVAC distribution board
• Commercial Kitchen Equipment Circuits: Individual supply circuits for commercial kitchen equipment including combination ovens, convection ovens, and large cooking hobs in the 8kW–12kW range (single-phase, 35A–52A running current) are commonly protected by 40A MCBs in kitchen distribution boards. The C curve handles the inrush of heating elements and control electronics without nuisance tripping
• Three-Phase Motor Feeder (DOL, up to 15kW): A 3-pole ABB S200 or S200M 40A D Curve MCB (S203-D40 or S203M-D40) protects three-phase induction motors up to approximately 15kW at 400V AC in direct-on-line (DOL) starting configurations — the D curve (instantaneous trip at 400A–800A for a 40A MCB) tolerating motor start-up inrush of 6–8× FLC without nuisance tripping while providing short-circuit protection for the supply cable
• Industrial Control Panel Incomer: The 40A MCB serves as the incomer for medium-sized industrial control panels — protecting the panel's internal power distribution bus from the main supply side. In industrial applications, the ABB S200 or S200M 40A (IEC 60947-2 rated) is the mandatory specification under IEC 61439 for industrial switchgear assemblies

ABB 40A MCB — 3-Pole vs 4-Pole: When to Specify Each

At 40A, the choice between 3-pole and 4-pole configuration is particularly important — this current rating is commonly used for both single-phase incomers (requiring 1-pole or 2-pole) and three-phase distribution board incomers (requiring 3-pole or 4-pole). The decision between 3-pole and 4-pole for three-phase applications depends on the earthing system:

• 3-Pole ABB 40A MCB (S203-C40 / S203M-C40): Correct for three-phase TN-C-S (PME) earthing systems — the most common earthing arrangement in India — where the neutral is bonded to the protective earth on the supply side and only the three line conductors need to be switched. Also used for three-phase circuits in industrial panels where the neutral is a solid connection to earth and switching it would create a safety issue. Most three-phase motor feeder circuits use 3-pole MCBs
• 4-Pole ABB 40A MCB (S204-C40 / S204M-C40): Mandatory for TN-S earthing systems (separate neutral and earth throughout) where all four conductors must be switched simultaneously for genuine full isolation. Required for incomers in three-phase TN-S distribution boards, ATS (Automatic Transfer Switch) systems, generator changeover panels, and TT earthing system installations. Also required by some Middle East and African country electrical standards for all distribution board incomers regardless of earthing system type. If in doubt about the earthing system at your installation, consult a qualified electrical engineer before specifying — specifying 3-pole where 4-pole is required is a safety and compliance failure

ABB S200 40A MCB Accessory System — BMS Integration and Remote Control

For commercial and industrial distribution boards where the ABB S200 or S200M 40A MCB is used as a sub-main incomer or high-load outgoing circuit breaker, the ABB S200 snap-on accessory system provides remote monitoring and control capability without the cost of a motorised circuit breaker. The standard BMS-integrated ABB 40A MCB combination for commercial panels is: S201-C40 or S201M-C40 MCB + S2C-H6R auxiliary contact block + S2C-SH shunt release + S2C-RHEN lockable rotary handle. The S2C-H6R auxiliary contact block provides volt-free contacts for BMS digital input monitoring of the MCB's ON/OFF/tripped status in real time — allowing facilities managers to remotely detect a tripped 40A incomer or high-load circuit MCB across the building without physical inspection. The S2C-SH shunt release (230V AC or 24V DC) allows the BMS, fire alarm panel, or emergency shutdown controller to remotely trip the 40A MCB when required for emergency isolation or load shedding. The S2C-RHEN lockable rotary handle allows safe external operation of the 40A MCB from the front of the distribution board without opening the enclosure, with padlock LOTO capability for maintenance safety. All three accessories snap onto the ABB S200 MCB without tools or adaptors. Contact ElectriHub for complete BMS-integrated ABB 40A MCB packages assembled to your specification.

ABB 40A MCB vs Schneider 40A MCB — Comparison for Panel Specifiers

At 40A, both ABB and Schneider offer comparable product tiers with similar technical performance. The key differences relevant to panel specifiers are:

• Pole Width: ABB S200 series is 17.6mm per pole versus Schneider Acti9 at 18mm per pole. On a 40A 4-pole MCB this represents a 1.6mm total saving — negligible in most panels, but relevant in high-density DIN rail boards
• Series Naming vs Performance Tier: ABB SH200L (4.5kA) / SH200 (6kA) / S200 (6kA IEC 60947-2) / S200M (10kA) / S200P (25kA) maps closely to Schneider Easy9 (6kA) / Acti9 iC60N (6kA IEC 60947-2) / Acti9 iC60H (10kA) / Acti9 iC60L (25kA). ABB offers an additional 4.5kA entry-level (SH200L) not available in the Schneider consumer range
• RCBO Add-On Block: ABB's F204 residual current add-on block (available at 40A) converts an S200 MCB into a complete RCBO — a distinctive feature for high-current circuits requiring individual earth fault protection at 40A. Schneider offers a separate RCBO product at 40A but not a direct add-on block for the Acti9 MCB body
• Accessory System: Both ABB (S2C series) and Schneider (Acti9 iOF/iSD series) offer comparable snap-on auxiliary contacts, shunt releases, and undervoltage releases. Both are compatible with their respective brand's modular enclosure and busbar systems
• Project Specification Standards: Where a project specification calls for a specific brand, or where an existing installation uses one brand throughout, continuity of brand is the strongest selection factor. ElectriHub stocks both brands fully — contact our team for a project-specific recommendation

Buy ABB MCB 40 Amp Online from ElectriHub

ElectriHub is your trusted one-stop platform to buy ABB MCB 40 Amp online — the complete ABB 40A MCB range including SH200L, SH200, S200, S200M, and S200P across all curve types (B, C, D), pole configurations (1P, 2P, 3P, 4P), and breaking capacities (4.5kA, 6kA, 10kA, 15kA, 25kA), along with the full ABB S200 accessory range including S2C-H6R auxiliary contact blocks, S2C-SH shunt releases, S2C-UA undervoltage releases, S2C-RHEN lockable rotary handles, PS3 comb busbars, and F204 residual current add-on blocks. We supply 100% genuine ABB products with manufacturer warranty, competitive pricing for single units and bulk project orders, fast worldwide shipping with export documentation, and free pre-sales technical support from qualified electrical engineers. Whether you are a residential electrician specifying SH200 40A MCBs for flat consumer units, a commercial panel builder ordering S200M 40A MCBs for a high-fault-current distribution board, or an industrial engineer sourcing S200P 25kA 40A MCBs for a critical facility — ElectriHub is your preferred global source for ABB 40A MCB online.

Why Buy ABB MCB 40 Amp from ElectriHub?

• ✓ Complete ABB 40A MCB range — SH200L, SH200, S200, S200M, and S200P in 1P, 2P, 3P, and 4P
• ✓ All curve types — B, C, and D curve in 4.5kA, 6kA, 10kA, 15kA, and 25kA breaking capacities
• ✓ Full ABB S200 accessory range — S2C-H6R auxiliary contacts, S2C-SH shunt releases, S2C-UA undervoltage releases, S2C-RHEN lockable rotary handles, and PS3 comb busbars
• ✓ ABB F204 residual current add-on blocks available at 40A for individual RCBO protection
• ✓ 100% genuine ABB products with IEC 60898-1 / IEC 60947-2 certification and manufacturer warranty
• ✓ BIS-certified ABB MCBs available for Indian market compliance
• ✓ Competitive pricing with volume discounts for panel builders, EPC contractors, and residential developers
• ✓ Worldwide shipping with full tracking and export documentation
• ✓ Technical pre-sales support — series selection, PSCC verification, 3-pole vs 4-pole guidance, and BMS integration design
• ✓ Fast dispatch from our global warehouse — urgent orders dispatched same or next business day
• ✓ Dedicated account managers for EPC firms, panel builders, and project orders

Frequently Asked Questions

Q: What is the most commonly ordered ABB 40A MCB in India?

The highest-volume ABB MCB 40 Amp sold in India is the ABB SH201-C40 — SH200 series, 1-pole, C curve, 40A, 6kA — used as the main incomer MCB in single-phase residential flat distribution boards across the country. The second most ordered is the SH204-C40 (4-pole, C curve, 40A, 6kA) for three-phase residential incomers in larger apartments. For commercial panels, the S201M-C40 (S200M, 1-pole, C curve, 40A, 10kA) and S203M-C40 (S200M, 3-pole, C curve, 40A, 10kA) are the standard specifications. All are stocked by ElectriHub with same or next-day dispatch.

Q: Should I use a 40A or 63A MCB as the incomer for a residential flat distribution board?

The incomer MCB rating for a residential flat should match the sanctioned (approved) load current allocated by the electricity supply authority for that flat — not simply the maximum possible load. In India, the standard sanctioned load for a 2BHK or 3BHK apartment is typically 4kW–8kW at 230V single-phase, corresponding to approximately 17A–35A. A 40A MCB incomer provides appropriate protection and headroom for these load levels and is the most common specification for medium-sized Indian residential flats. A 63A incomer MCB is typically specified only for large bungalows, villas, large commercial apartments, or flats with a higher sanctioned load (above 8kW). If in doubt, check the service cable and utility meter rating — the incomer MCB should never exceed the service cable and meter ampacity. Contact ElectriHub's technical team for incomer MCB sizing guidance matched to your specific connected load schedule.

Q: What ABB 40A MCB should I specify for a 2-ton split AC dedicated circuit?

A 2-ton split air conditioner in India typically has a running current of approximately 10A–14A at 230V single-phase, with start-up inrush of 5–8× FLC. A ABB SH201-C40 or S201-C40 (1-pole, C curve, 40A) provides correct rated current headroom (40A rated vs 14A FLC = 2.86× safety margin) and the C curve instantaneous trip (200A–400A for a 40A MCB) tolerates compressor start-up inrush without nuisance tripping. The dedicated circuit cable should be sized to the MCB's rated current (typically 6mm² PVC for a 40A circuit) — do not reduce cable size simply because the AC running current is lower than 40A, as the MCB's thermal protection requires the cable to be sized to the MCB rating. Contact ElectriHub if you need guidance on the correct MCB rating for a specific AC unit model based on its nameplate data.

Q: Can I use an ABB SH200 40A MCB in an IEC 61439 industrial panel?

No. The ABB SH200 40A MCB (and SH200L 40A) are rated under IEC 60898-1 only — the domestic and commercial MCB standard. IEC 61439 (Low Voltage Switchgear and Controlgear Assemblies) requires circuit breakers used in industrial-classified switchgear assemblies to be rated under IEC 60947-2. The ABB S200 40A (dual-rated IEC 60898-1 and IEC 60947-2) or ABB S200M 40A (IEC 60947-2) must be specified for industrial panels. Using SH200 MCBs in an industrial panel is a non-compliance that may invalidate the panel's type test certification and expose the panel builder to liability. Contact ElectriHub for correct ABB MCB specification for your IEC 61439 panel classification.

Q: What is the ABB part number for a 40A 4-pole C curve MCB?

The most commonly ordered ABB 40A 4-pole MCB part numbers are: SH204L-C40 (SH200L, 4-pole, C curve, 4.5kA — economy residential); SH204-C40 (SH200, 4-pole, C curve, 6kA — standard residential); S204-C40 (S200, 4-pole, C curve, 6kA, IEC 60947-2 — commercial/industrial with accessory support); S204M-C40 (S200M, 4-pole, C curve, 10kA — commercial high breaking capacity); S204P-C40 (S200P, 4-pole, C curve, 15kA/25kA — industrial). The correct selection depends on your installation's PSCC, IEC classification, and accessory requirements. Contact ElectriHub's technical team to confirm the exact part number for your application before ordering.

Q: Do you ship ABB MCB 40 Amp internationally?

Yes. ElectriHub ships the complete ABB MCB 40 Amp range — SH200L, SH200, S200, S200M, and S200P in all curve types, pole configurations, and breaking capacities — to customers worldwide. We provide complete export documentation including commercial invoices, packing lists, certificates of origin, and MSDS where required. Contact our team with your ABB 40A MCB part numbers (e.g., S201M-C40, S204-C40, S203-D40), quantities, and delivery destination for a fast shipping quotation and lead time confirmation.

Order Your ABB MCB 40 Amp Today

Ready to buy ABB MCB 40 Amp online? Browse our complete range above — SH200L, SH200, S200, S200M, and S200P in all curve types, pole configurations, and breaking capacities — along with S2C-H6R auxiliary contacts, S2C-SH shunt releases, S2C-UA undervoltage releases, S2C-RHEN lockable rotary handles, PS3 comb busbars, and F204 RCBO add-on blocks. Contact our technical team for MCB series selection, breaking capacity verification, 3-pole vs 4-pole guidance, and complete distribution board BOM specification. ElectriHub ships genuine ABB MCB 40 Amp worldwide — supporting projects of all sizes from a single incomer MCB to complete residential, commercial, and industrial distribution board builds. Get 100% authentic ABB 40A MCBs with fast dispatch, competitive pricing, and full technical support — only at ElectriHub.