IMO B10B3040A MCB - 3P - B Curve - 40A - 10kA

IMO B10B3040A MCB – 3P – B Curve – 40A – 10kA

IMO B10B3040A miniature circuit breaker, a 40A three pole B curve MCB with 10kA breaking capacity for industrial, commercial and control panel circuit protection.

SKU: B10B3040AMPN: B10B3040A
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£21.35

Why Choose the IMO B10B3040A Miniature Circuit Breaker?

The IMO B10B3040A is a high performance 10kA miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in industrial, commercial and OEM electrical installations. Manufactured by IMO Precision Controls, this compact protective device offers dependable circuit protection and long service life for demanding three phase applications.

Featuring a B curve tripping characteristic, the B10B3040A is ideally suited to general purpose electrical circuits with standard inrush currents. Its DIN rail mounted construction enables quick installation within distribution boards, control panels, switchboards and industrial automation systems.

With a 40A rated current, three pole configuration and 230/415V AC operating voltage, the IMO B10B3040A provides dependable protection for three phase electrical installations while delivering a high 10kA breaking capacity for enhanced fault protection.

Key Advantages

  • High performance 10kA breaking capacity for dependable fault protection.
  • B curve tripping characteristic for general purpose electrical circuits.
  • 40A rated current suitable for industrial and commercial applications.
  • Three pole protection for three phase electrical systems.
  • Compact TS35 DIN rail mounting for straightforward installation.
  • Manufactured in accordance with recognised international standards.

Key Features

  • IMO B10 miniature circuit breaker series.
  • 40A rated current.
  • 10kA short circuit breaking capacity.
  • B curve tripping characteristic.
  • Three pole (3P) configuration.
  • 230/415V AC operating voltage.
  • 60V DC maximum operating voltage.
  • Compact DIN rail mounted design.

Reliable Protection for Three Phase Electrical Systems

Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short circuit conditions occur. This helps protect electrical equipment, cabling and connected loads while reducing downtime and improving installation safety.

The IMO B10 series is designed for dependable operation in industrial automation systems, commercial electrical installations and OEM machinery. The B curve characteristic makes this breaker particularly suitable for lighting circuits, distribution systems and general purpose electrical applications.

Typical Applications

  • Industrial control panels.
  • Commercial distribution boards.
  • Building electrical services.
  • OEM machinery.
  • Automation equipment.
  • General three phase power distribution.

Technical Specifications

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Current 40 A
Phase Three Phase
Poles 3-pole
Device Type MCB
Trip Curve B curve
Breaking Capacity 10 kA
Manufacturer IMO Precision Controls
Series B10 Miniature Circuit Breakers
Model B10B3040A
Product type Miniature circuit breaker (MCB)
Rated current 40A
Number of poles 3 Pole
Tripping characteristic B Curve
Breaking capacity 10kA
Rated voltage 230/415V AC
Maximum DC voltage 60V DC
Frequency 50/60Hz
Mounting type TS35 DIN rail
Dimensions (H × W × D) approx. 85.5 × 52.7 × 78 mm
Weight approx. 0.3 kg
Standards IEC/EN 60898-1, IEC/EN 60947-2, CE, VDE, KEMA
HS Code 8536201090
Country of Manufacture China

Frequently Asked Questions

What is the IMO B10B3040A used for?

The B10B3040A protects three phase electrical circuits against overloads and short circuits in industrial, commercial and automation applications.

What does the B curve tripping characteristic mean?

A B curve miniature circuit breaker is intended for circuits with standard inrush currents, making it suitable for general electrical distribution and control applications.

What is the current rating of this MCB?

The IMO B10B3040A has a rated current of 40A.

What is the breaking capacity?

This miniature circuit breaker provides a 10kA short circuit breaking capacity for dependable fault protection.

How is the breaker installed?

The unit is designed for installation on a standard TS35 DIN rail inside distribution boards and electrical control panels.

Trusted by Electrical Professionals Worldwide

IMO miniature circuit breakers are trusted by electrical contractors, machine builders and panel builders for reliable circuit protection, compact installation and dependable long term performance.