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ABB Miniature Circuit Breakers (MCB)

ABB SB203M-C63 Miniature Circuit Breaker

Availability: In Stock
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

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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Product 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

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