Looking for a reliable MCB that delivers rock-solid performance and uncompromising protection for your electrical circuits? The ABB SB203M-C40 is part of the System pro M compact SB200M range, built for safety, durability, and smooth operation. With a breaking capacity of 10 kA and thermal + electromechanical tripping mechanisms, this 3-pole MCB is perfect for demanding installations where protection against overload and short circuits is non-negotiable.
Rated Current: 40 A
Rated Voltage: 415 V
Breaking Capacity: 10 kA
Tripping Characteristic: Type C
Rated Frequency: 50 Hz
Dual Tripping Mechanisms: Thermal (overload) + Electromechanical (short circuit)
Overvoltage Category: III
Impulse Withstand Voltage: 4 kV
Compact Dimensions: 85 mm (H) × 52.5 mm (W) × 69 mm (D)
Built-In Depth: 69 mm
Weight: 0.35 kg
Compliance: IS/IEC 60898-1
Configuration: 3 Pole (3P)
Voltage Range: Max 264 V AC / Max 60 V DC
The ABB SB203M-C40 MCB is designed with safety at its core. Its compact size doesn't compromise its performance—this unit handles up to 40A and protects with precision. It’s equipped with dual tripping mechanisms, making it reliable in both overload and short-circuit conditions. Its build is compliant with international standards, ensuring that you're installing a breaker trusted across residential, commercial, and industrial applications alike.
Residential Complexes
Commercial Buildings
Industrial Units
Electrical Panels & Control Boards
Workshops & Machinery Installations
Send us a message on WhatsApp or email to get pricing and availability. We respond within 30 minutes.
| Technical Specification | Details |
|---|---|
| Rated Operational Current (Ie) | 40 A |
| Rated Service Short-Circuit Breaking Capacity (Ics) | 7.5 kA |
| Energy Limiting Class | 3 |
| Electrical Endurance | 10000AC cycle |
| Mechanical Endurance | 20000 cycle |
| Number of Protected Poles | 3 |
| Number of Poles | 3P |
| Tightening Torque | 2 N·m |
| Actuator Type | Toggle |
| Screw Terminal Type | Cage Terminal |
| Actuator Marking | I / O |
| Actuator Material | Insulation Group II, Black, Sealable |
| Recommended Screw Driver | Pozidriv 2 |
| Accessories Available | Yes |
| Remarks | IP40 in enclosure with cover |
| Connecting Capacity | Rigid: 25 mm² ; Flexible: 16 mm² |
Send us your requirements on WhatsApp or email — our team will get back to you with pricing and availability.