ABB Brand System pro M compact SB203M-D40 Miniature Circuit Breaker-3P-D-40 A

ABB SB203M-D40 Miniature Circuit Breaker – 3P, D-Curve, 40A
Power Up Your Electrical Safety with ABB Precision Engineering
The ABB System pro M compact SB203M-D40 is a 3-pole miniature circuit breaker built for uncompromising protection. With a D-curve tripping characteristic and a 40A rating, it’s perfect for circuits with high inrush currents—offering overload and short circuit protection with ABB’s trademark reliability. Whether it’s residential panels or industrial control gear, this breaker ensures smooth operation and consistent safety performance.

Key Features at a Glance

• 3-Pole configuration (3P)

• D-curve tripping for high inrush applications

• Rated current: 40A

• Breaking capacity: up to 10 kA at 240/415 V AC

• Dual tripping mechanism: thermal and electromagnetic

• IS/IEC 60898-1 compliant

• Compact and modular design

• Quick installation on DIN rails

• High endurance – suitable for frequent switching

• Flame retardant housing for added safety

Why Choose This Product

The ABB SB203M-D40 MCB is a dependable choice for any installation that demands high-performance circuit protection. Its D-curve tripping characteristic makes it ideal for circuits with inductive loads like motors and transformers. ABB’s current-limiting technology enhances safety by minimizing the effects of fault currents. Backed by global certifications and the ABB brand promise, this MCB adds reliability and flexibility to any distribution system.

Ideal For

• Residential buildings

• Commercial complexes

• Industrial plants

• Machine control panels

• OEM installations

• Motor and transformer circuits

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