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ABB SB203M-C40 Miniature Circuit Breaker

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3 Pole, 40A, Type C

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.

⚙️ Key Features at a Glance

  • 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

💡 Why Choose This MCB?

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.

🏭 Ideal For:

  • Residential Complexes

  • Commercial Buildings

  • Industrial Units

  • Electrical Panels & Control Boards

  • Workshops & Machinery Installations

Why wait? If you’re planning an upgrade or need replacements fast, reach out directly via WhatsApp! Just tap the “Get Quote via WhatsApp” button on this page to chat with Shansen Enterprises, your trusted ABB partner based in Coimbatore. We deliver across India within 48 hours via courier or transport. Stock ready. Prices honest. Service unmatched.

Description

ABB SB203M-C40 MCB promotional image with engineers in manufacturing plant and product in foreground – Shansen Enterprises

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

Additional information

Brand

ABB

Product Model

SB203M-C40

Type

Miniature Circuit Breaker

Number of Poles

3P

Rated Current (In)

40 A

Rated Voltage (Ur)

415 V AC

Max Operational Voltage

264 V AC / 60 V DC

Tripping Characteristic

C Curve

Short Circuit Capacity

10 kA

Impulse Withstand Voltage (Uimp)

4 kV

Frequency

50 Hz

Weight

0.35 kg

Compliance

IS/IEC 60898-1

Dimensions (W x H x D)

52.5 mm × 85 mm × 69 mm

Built-In Depth

69 mm

Available at

Shansen Enterprises, Coimbatore

Country Of origin

India