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IMO B10C3040A MCB – 3P – C Curve – 40A – 10kA
IMO B10C3040A three pole miniature circuit breaker featuring a 40 A current rating, C curve tripping characteristic and 10 kA short circuit breaking capacity for industrial electrical protection.
£21.35
Why Choose the IMO B10C3040A Miniature Circuit Breaker?
The IMO B10C3040A is a high performance three pole miniature circuit breaker (MCB) engineered to provide dependable protection against overloads and short circuits in commercial, industrial and OEM electrical installations. As part of the trusted IMO B10 Series, it combines a high breaking capacity with reliable operation for demanding power distribution applications.
Featuring a C curve tripping characteristic, the B10C3040A is ideally suited to circuits with moderate inrush currents, including motors, transformers, control equipment and industrial machinery. Its compact modular design enables simple installation within electrical distribution boards and control panels whilst delivering long service life.
With a 40 A current rating, 10 kA short circuit breaking capacity and compatibility with 230/415 V AC systems, the IMO B10C3040A provides reliable circuit protection for a wide range of industrial and commercial applications.
Key Advantages
- Compact three pole miniature circuit breaker for industrial applications.
- 40 A rated current suitable for machinery and power distribution circuits.
- 10 kA breaking capacity for high fault level installations.
- C curve tripping characteristic for circuits with moderate inrush current.
- Suitable for installation on standard 35 mm DIN rail.
- Designed to IEC standards for dependable electrical protection.
Key Features
- IMO B10 miniature circuit breaker series.
- 40 A rated current.
- Three pole (3P) configuration.
- C curve tripping characteristic.
- 10 kA short circuit breaking capacity.
- 230/415 V AC operating voltage.
- DIN rail mounting.
- Finger protected terminals with contact position indication.
Reliable Protection for Industrial Power Distribution
Miniature circuit breakers automatically disconnect electrical circuits when overload or short circuit conditions occur, helping protect wiring, equipment and connected devices from electrical damage. The IMO B10C3040A combines thermal and magnetic trip mechanisms to deliver dependable circuit protection in demanding industrial environments.
The C curve characteristic makes this breaker particularly suitable for circuits supplying motors, transformers and other equipment with moderate starting currents, providing reliable protection without unnecessary nuisance tripping.
Typical Applications
- Industrial control panels.
- Commercial distribution boards.
- Motor and machinery circuits.
- OEM automation equipment.
- Three phase power distribution.
- Manufacturing and process industries.
Technical Specifications
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| Current | 40 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | B10 Miniature Circuit Breakers | |
| Model | B10C3040A | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 40 A | |
| Number of poles | 3 Pole | |
| Tripping curve | C Curve | |
| Short circuit breaking capacity | 10 kA | |
| Rated voltage | 230/415 V AC | |
| Maximum DC voltage | 60 V DC | |
| Rated insulation voltage | 500 V | |
| Frequency | 50 / 60 Hz | |
| Standards | IEC 60898-1, IEC 60947-2 | |
| Mounting type | 35 mm DIN rail | |
| Operating temperature | -30 °C to +60 °C | |
| HS Code | 8536201090 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the IMO B10C3040A used for?
The B10C3040A protects three phase electrical circuits against overloads and short circuits in commercial and industrial installations.
What is the current rating of this circuit breaker?
This miniature circuit breaker has a 40 A rated current.
What does the C curve tripping characteristic mean?
A C curve MCB is intended for circuits with moderate inrush currents, making it suitable for motors, transformers and general industrial equipment.
What is the breaking capacity of the IMO B10C3040A?
The IMO B10C3040A provides a 10 kA short circuit breaking capacity.
How is this miniature circuit breaker installed?
The breaker is designed for installation onto a standard 35 mm DIN rail inside electrical distribution boards and industrial control panels.
Trusted by Electrical Professionals Worldwide
IMO miniature circuit breakers are trusted by electrical contractors, machine builders and industrial engineers for delivering dependable circuit protection, reliable operation and straightforward installation across commercial and industrial electrical systems.
