IMO B10B3050A MCB - 3P - B Curve - 50A - 10kA

IMO B10B3050A MCB – 3P – B Curve – 50A – 10kA

IMO B10B3050A miniature circuit breaker, a 50A three pole B curve MCB with 10kA breaking capacity for industrial, commercial and control panel circuit protection.

SKU: B10B3050AMPN: B10B3050A
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Why Choose the IMO B10B3050A Miniature Circuit Breaker?

The IMO B10B3050A is a high performance 10kA miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits in industrial, commercial and control panel applications. Manufactured by IMO Precision Controls, this compact protective device provides reliable circuit protection for three phase electrical systems where dependable performance and safe isolation are essential.

Featuring a B curve tripping characteristic, the B10B3050A is suitable for general purpose electrical circuits with standard inrush currents. It is commonly used in distribution boards, control panels, switchboards and commercial electrical installations where reliable protection and straightforward maintenance are required.

With a rated current of 50A, three pole configuration and 230/415V AC operating voltage, the IMO B10B3050A delivers dependable protection for demanding electrical installations. Its 10kA breaking capacity helps ensure effective fault protection in industrial and commercial environments.

Key Advantages

  • High performance 10kA breaking capacity for dependable fault protection.
  • B curve tripping characteristic for general purpose electrical circuits.
  • 50A rated current suitable for industrial and commercial installations.
  • Three pole protection for three phase electrical systems.
  • Compact TS35 DIN rail mounting for simple installation.
  • Designed to recognised IEC/EN, CE, VDE and KEMA standards.

Key Features

  • IMO B10 miniature circuit breaker series.
  • 50A rated current.
  • 10kA short circuit breaking capacity.
  • B curve tripping characteristic.
  • Three pole (3P) configuration.
  • 230/415V AC rated voltage.
  • 60V DC maximum operating voltage.
  • DIN rail mounted design for distribution boards and control panels.

Reliable Protection for Three Phase Electrical Systems

Miniature circuit breakers such as the IMO B10B3050A automatically disconnect electrical circuits when overload or short circuit conditions occur. This helps protect cabling, connected equipment and electrical installations from damage while supporting safer operation and maintenance.

The B curve response makes this MCB suitable for general industrial and commercial circuits where standard starting currents are expected. Its three pole design provides reliable switching and protection for three phase circuits used in distribution boards, control panels and machinery installations.

Typical Applications

  • Industrial control panels.
  • Commercial distribution boards.
  • Building electrical services.
  • General three phase power distribution.
  • Automation and machinery systems.
  • Switchboards and electrical enclosures.

Technical Specifications

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Current 50 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 B10B3050A
Product type Miniature circuit breaker (MCB)
Rated current 50A
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
Number of modules 3
Terminal capacity 1 to 25 mm² flexible cable
Dimensions (H × W × D) approx. 85.5 × 52.7 × 78 mm
Weight approx. 0.3 kg
Standards IEC/EN 60898, IEC/EN 60947-2, CE, VDE, KEMA
HS Code 8536201090
Country of Manufacture China

Frequently Asked Questions

What is the IMO B10B3050A used for?

The B10B3050A is used to protect three phase electrical circuits against overloads and short circuits in industrial, commercial and control panel applications.

What does B curve mean on this MCB?

A B curve miniature circuit breaker is designed for general purpose circuits with standard inrush currents, such as lighting, distribution and control circuits.

What is the current rating of the B10B3050A?

The IMO B10B3050A has a rated current of 50A.

What is the breaking capacity?

This miniature circuit breaker provides a 10kA short circuit breaking capacity.

How many poles does this breaker have?

The B10B3050A is a three pole miniature circuit breaker designed for three phase circuit protection and isolation.

Trusted by Electrical Professionals Worldwide

IMO B10 miniature circuit breakers are widely used by panel builders, electrical contractors and maintenance engineers for reliable circuit protection, compact installation and dependable performance in industrial and commercial electrical systems.