IMO B10B30125A MCB - 3P - B Curve - 125A - 10kA

IMO B10B30125A MCB – 3P – B Curve – 125A – 10kA

IMO B10B30125A miniature circuit breaker with 125 A rating, B curve tripping characteristic, 10 kA breaking capacity and 3 pole configuration for industrial and commercial circuit protection.

SKU: B10B30125AMPN: B10B30125A
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List Price £98.72 ex VAT
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Why Choose the IMO B10B30125A Miniature Circuit Breaker?

The IMO B10B30125A is a heavy duty miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in industrial, commercial and OEM electrical installations. As part of the trusted IMO B10 circuit protection range, it delivers dependable performance and a high fault rating for demanding low voltage power distribution systems.

Featuring a B curve tripping characteristic, this MCB is suitable for circuits with relatively low inrush currents where rapid fault disconnection is required. Its 10 kA short circuit breaking capacity provides enhanced protection in installations with higher prospective fault levels, helping safeguard electrical equipment and wiring.

With a 125 A current rating and a 3 pole configuration, the B10B30125A is ideal for protecting three-phase power distribution systems, industrial machinery, switchboards and automation control panels. The compact TS35 DIN rail mounting design enables straightforward installation while maximising available panel space.

Key Advantages

  • Reliable miniature circuit breaker for industrial and commercial applications.
  • 125 A rated current for high current three-phase circuits.
  • B curve tripping characteristic for rapid fault protection.
  • 10 kA short circuit breaking capacity.
  • 3 pole configuration for three-phase electrical systems.
  • Compact TS35 DIN rail mounting for efficient installation.

Key Features

  • IMO B10 miniature circuit breaker series.
  • 125 A rated current.
  • B curve tripping characteristic.
  • 10 kA breaking capacity.
  • 3 pole construction.
  • Suitable for 240 / 415 V AC systems.
  • Compatible with pin and fork type busbars.
  • DIN rail mounting with finger-safe terminals.

Reliable Protection for Three-Phase Power Systems

The IMO B10B30125A automatically disconnects electrical circuits during overload or short circuit conditions, helping protect cables, switchgear and connected equipment from damage caused by excessive current. Its high 10 kA fault rating makes it suitable for demanding industrial and commercial installations.

Designed to recognised international standards, the B10 series combines dependable protection, compact dimensions and simple installation, making it an excellent choice for panel builders, electrical contractors and machine manufacturers.

Typical Applications

  • Industrial control panels.
  • Three-phase distribution boards.
  • OEM machinery.
  • Commercial electrical installations.
  • Power distribution systems.
  • Manufacturing and processing facilities.

Technical Specifications

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Current 125 A
Phase Three Phase
Poles 3-pole
Device Type MCB
Trip Curve B curve
Breaking Capacity 10 kA
Manufacturer IMO
Series B10
Model B10B30125A
Product type Miniature circuit breaker
Rated current 125 A
Tripping characteristic B Curve
Breaking capacity 10 kA
Number of poles 3 Pole
Rated voltage 240 / 415 V AC
Standards IEC/EN 60898-1, IEC/EN 60947-2, CE, VDE, KEMA
Mounting type TS35 DIN rail
Protection rating IP20
Dimensions (H × W × D) 97 × 79.5 × 78 mm
Weight Approx. 0.3 kg
HS Code 8536201090
Country of Manufacture China

Frequently Asked Questions

What is the IMO B10B30125A used for?

The IMO B10B30125A protects three-phase electrical circuits against overloads and short circuits in industrial, commercial and OEM applications.

What current rating does this circuit breaker have?

This miniature circuit breaker has a 125 A rated current.

What does the B curve tripping characteristic mean?

A B curve MCB is designed to trip quickly on fault currents and is suitable for circuits with relatively low inrush currents.

What is the short circuit breaking capacity?

The B10B30125A provides a 10 kA short circuit breaking capacity.

How is this circuit breaker installed?

The breaker is designed for standard TS35 DIN rail mounting inside distribution boards, switchboards and industrial control panels.

Trusted by Electrical Professionals Worldwide

IMO B10 miniature circuit breakers are trusted by electrical engineers, panel builders and machine manufacturers for dependable protection, straightforward installation and long-term reliability in low voltage electrical systems.