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ABB SB203M-C63 Miniature Circuit Breaker

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đź”§ Built for Superior Protection and Reliability

The ABB SB203M-C63 is a 3-pole Miniature Circuit Breaker from the System pro M compact SB200M series, designed to offer solid, reliable, and safe circuit protection for a wide range of applications—residential, commercial, and industrial. With a rated current of 63A, this MCB features Type C tripping characteristics, making it ideal for circuits with moderate inrush currents such as lighting and small motor loads.

⚡ Dual Tripping Mechanisms for Enhanced Safety

What makes this MCB stand out is its dual-action tripping mechanism:

  • Thermal Tripping: Detects and responds to overloads with a time delay.

  • Electromechanical Tripping: Instantly reacts to short circuits, ensuring minimal damage.

This current-limiting breaker ensures that only the faulty circuit is isolated, keeping the rest of your system running uninterrupted.

đź›’ Where to Buy?

The ABB SB203M-C63 is available at Shansen Enterprises, your trusted Authorized Channel Partner of ABB in Coimbatore, serving customers pan-India with ready stock and 100% customer satisfaction.

📦 Quick Dispatch & Hassle-Free Delivery

All orders are processed within 48 hours, shipped via courier or transport service to your doorstep—fast, safe, and efficient.

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Description

Technical Details Specifications
Rated Operational Current (Ie) 63 A
Rated Service Short-Circuit Breaking Capacity (Ics) 7.5 kA
Energy Limiting Class 3
Electrical Endurance 10000 AC 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
Tripping Characteristic C
Rated Voltage (Ur) 415 V
Operational Voltage Max 264 V AC / Max 60 V DC
Rated Impulse Withstand Voltage (Uimp) 4 kV
Rated Current (In) 63 A
Rated Short-Circuit Capacity 10 kA
Rated Frequency (f) 50 Hz
Overvoltage Category III

Additional information

Brand

ABB

Model

SB203M-C63

Rated Current

63 A

Number of Poles

3 poles

Tripping Characteristic

C Curve

Rated Voltage

415 V

Short Circuit Capacity

10 kA

Breaking Capacity (Ics)

7.5 kA

Rated Frequency

50 Hz

Endurance (Electrical)

10000 AC cycles

Endurance (Mechanical)

20000 cycles

Actuator Type

Toggle

Product Net Width

52.5 mm

Product Net Height

85 mm

Product Net Depth / Length

69 mm

Country of origin

India