imo b10c4004a mcb 10ka, c curve 4 pole, 4a

Why Choose the IMO B10C4004A Miniature Circuit Breaker?

The IMO B10C4004A is a high performance miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial, commercial and OEM electrical installations. As part of the trusted IMO B10 circuit protection range, it offers reliable operation, compact dimensions and straightforward installation for modern electrical systems.

Featuring a C curve tripping characteristic, this MCB is ideal for circuits with moderate inrush currents, including motors, transformers, control panels and lighting circuits. With a 10 kA short circuit breaking capacity, it delivers enhanced fault protection for demanding applications where increased fault current performance is required.

With a 4 A current rating and a 4 pole configuration, the B10C4004A is suitable for protecting three-phase circuits with neutral switching in low voltage distribution systems. Its DIN rail mounting design enables fast installation inside switchboards, distribution boards and automation control panels.

Key Advantages

• Reliable miniature circuit breaker for industrial and commercial applications.
• 4 A rated current for low current three-phase circuits.
• C curve tripping characteristic for moderate inrush current loads.
• 10 kA breaking capacity for enhanced fault protection.
• 4 pole configuration for comprehensive circuit isolation.
• Compact DIN rail mounting for quick installation.

Key Features

• IMO B10 miniature circuit breaker series.
• 4 A rated current.
• C curve characteristic.
• 10 kA short circuit breaking capacity.
• 4 pole construction.
• Suitable for 230 / 415 V AC systems.
• DIN rail mounting.
• Manufactured in accordance with IEC 60898-1.

Technical Specifications

• Manufacturer: IMO
• Series: B10
• Model: B10C4004A
• Product type: Miniature circuit breaker
• Rated current: 4 A
• Tripping characteristic: C Curve
• Breaking capacity: 10 kA
• Number of poles: 4 Pole
• Rated voltage: 230 / 415 V AC
• Standard: IEC 60898-1
• Mounting type: DIN rail
• Terminal type: IP20 finger-safe terminals
• Operating temperature: -30 °C to +60 °C
• Busbar compatibility: Pin and fork type busbars

Reliable Protection for Low Voltage Installations

The IMO B10C4004A automatically disconnects electrical circuits whenever overload or short circuit conditions occur, protecting connected equipment, wiring and electrical infrastructure. Its 10 kA fault rating makes it particularly suitable for installations where higher prospective fault currents may be present.

Designed for industrial and commercial environments, the B10 series combines compact dimensions with dependable protection, making it a practical choice for electrical contractors, panel builders and machine manufacturers.

Typical Applications

• Industrial control panels.
• Three-phase distribution boards.
• OEM machinery.
• Building services electrical installations.
• Motor and transformer protection circuits.
• Commercial and industrial power distribution.

Trusted by Electrical Professionals Worldwide

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