B10C20125A IMO MCB 10kA, C Curve 2 Pole, 125 Amp

B10C20125A IMO MCB 10kA, C Curve 2 Pole, 125 Amp

SKU: B10C20125AMPN: B10C20125A
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Sold in packs of 120

£46.07

Why Choose the IMO B10C20125A Miniature Circuit Breaker?

The IMO B10C20125A is a heavy-duty 2-pole miniature circuit breaker (MCB) designed to provide dependable overload and short-circuit protection for industrial, commercial and OEM electrical installations. Part of the trusted IMO B10 Series, this circuit breaker combines a high 125 A current rating with a 10 kA breaking capacity, making it suitable for demanding power distribution applications.

Featuring a C curve tripping characteristic, the B10C20125A is ideal for circuits supplying equipment with moderate inrush currents, including motors, transformers, pumps, compressors and industrial machinery. Its thermal-magnetic operating mechanism provides reliable protection against sustained overloads while delivering rapid disconnection during short-circuit faults.

The compact modular design enables installation on a standard 35 mm DIN rail, making it suitable for switchboards, distribution panels and industrial control systems. With high-quality construction and compliance with recognised international standards, the B10C20125A delivers long-term performance in demanding electrical environments.

Key Advantages

  • Heavy-duty 2-pole miniature circuit breaker.
  • 125 A rated current for high-capacity circuits.
  • C curve tripping characteristic for moderate inrush current loads.
  • 10 kA breaking capacity for dependable fault protection.
  • Thermal-magnetic overload and short-circuit protection.
  • Compact DIN rail mounting for straightforward installation.

Key Features

  • IMO B10 Series miniature circuit breaker.
  • 125 A rated current.
  • 2-pole configuration.
  • C curve operating characteristic.
  • 10 kA short-circuit breaking capacity.
  • Thermal-magnetic trip mechanism.
  • Contact position indication window.
  • Suitable for standard 35 mm DIN rail installation.

Reliable Protection for High Current Electrical Systems

The IMO B10C20125A provides dependable protection for higher current electrical circuits by combining thermal overload protection with instantaneous magnetic short-circuit protection. This dual protection mechanism helps safeguard electrical equipment, cabling and distribution systems while minimising downtime caused by electrical faults.

Its C curve characteristic makes it particularly suitable for supplying inductive loads that experience moderate starting currents. This includes electric motors, transformers, compressors, pumps, HVAC equipment and industrial machinery where nuisance tripping must be minimised without compromising safety.

Typical Applications

  • Industrial distribution boards.
  • Motor protection circuits.
  • Commercial electrical installations.
  • Automation and machinery control panels.
  • Pump and compressor circuits.
  • OEM equipment and switchboards.

Technical Specifications

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Current 125 A
Poles 2-pole
Device Type MCB
Trip Curve C curve
Breaking Capacity 10 kA
Manufacturer IMO Precision Controls
Series B10 Miniature Circuit Breakers
Model B10C20125A
Product type Miniature circuit breaker (MCB)
Rated current 125 A
Number of poles 2
Trip characteristic C Curve
Rated voltage 415 V AC
Frequency 50 / 60 Hz
Breaking capacity 10 kA
Protection mechanism Thermal-magnetic
Standards IEC/EN 60898-1
Protection rating IP20
Mounting type 35 mm DIN rail
Application Industrial and commercial electrical distribution
HS Code 8536209090
Country of Manufacture China

Frequently Asked Questions

What is the IMO B10C20125A used for?

The IMO B10C20125A protects industrial and commercial electrical circuits against overloads and short circuits while supplying higher current loads.

What current rating does this circuit breaker have?

The B10C20125A has a 125 A rated current.

What does the C curve characteristic mean?

A C curve breaker is designed for circuits with moderate inrush currents, making it suitable for motors, transformers, compressors, pumps and other inductive loads.

What is the breaking capacity?

The breaker provides a 10 kA short-circuit breaking capacity for dependable protection against fault currents.

How is the B10C20125A installed?

The breaker mounts onto a standard 35 mm DIN rail inside electrical distribution boards, switchboards and industrial control panels.

Trusted by Electrical Professionals

IMO B10 miniature circuit breakers are trusted by electrical contractors, panel builders and automation engineers for reliable circuit protection, robust construction and dependable long-term performance in demanding industrial applications.