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IMO B10D2040A MCB – 2P – D Curve – 40A – 10kA
IMO B10D2040A two-pole miniature circuit breaker with 40 A rated current, D curve tripping characteristic and 10 kA breaking capacity for industrial and commercial circuit protection.
£15.92
Why Choose the IMO B10D2040A Miniature Circuit Breaker?
The IMO B10D2040A is a robust two-pole miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits in industrial, commercial and OEM electrical installations. Manufactured by IMO Precision Controls, this compact circuit breaker provides dependable protection for control panels, distribution boards and machinery systems.
Featuring a 40 A rated current, D curve tripping characteristic and a high 10 kA short-circuit breaking capacity, the B10D2040A is particularly suited to circuits with high inrush currents, including motors, transformers, compressors, pumps and other inductive equipment.
With a two-pole configuration, 230/415 V AC rated voltage and DIN rail mounting format, the IMO B10D2040A provides reliable protection while supporting quick installation in professional electrical panels and distribution enclosures.
Key Advantages
- Compact 2-pole miniature circuit breaker for industrial and commercial circuits.
- 40 A rated current suitable for higher load protection applications.
- D curve tripping characteristic for high inrush current equipment.
- 10 kA breaking capacity for dependable short-circuit protection.
- DIN rail mounting for quick installation in panels and boards.
- Reliable overload and short-circuit protection for electrical systems.
Key Features
- IMO B10 10 kA MCB series.
- 2-pole configuration.
- 40 A rated current.
- D curve trip characteristic.
- 230/415 V AC rated voltage.
- 10 kA short-circuit breaking capacity.
- 35 mm DIN rail mounting.
- Compact two-module design.
- Suitable for pin and fork busbar connections.
- Designed for industrial, commercial and OEM circuit protection.
Reliable Protection for High Inrush Current Circuits
Miniature circuit breakers automatically disconnect electrical circuits when overloads or short circuits occur. This helps protect wiring, connected equipment and electrical installations from damage while supporting safe and reliable operation.
The IMO B10D2040A is especially suitable for circuits where connected equipment can draw high starting currents. Its D curve characteristic allows short inrush peaks while maintaining dependable disconnection under fault conditions.
Typical Applications
- Industrial control panels.
- Motor control circuits.
- Transformers and inductive loads.
- Compressors and pumps.
- OEM machinery and automation systems.
- Distribution boards.
- Commercial electrical installations.
Technical Specifications
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| Current | 40 A | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | B10 Miniature Circuit Breakers | |
| Model | B10D2040A | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 40 A | |
| Number of poles | 2 | |
| Tripping characteristic | D Curve | |
| Rated voltage | 230/415 V AC | |
| Rated insulation voltage | 500 V | |
| Maximum DC voltage | 60 V DC | |
| Frequency | 50 / 60 Hz | |
| Short-circuit breaking capacity | 10 kA | |
| Mounting type | 35 mm DIN rail | |
| Terminal capacity | 1 to 25 mm² | |
| Operating temperature | -30°C to +60°C | |
| Standards | IEC 60898-1, IEC 60947-2 | |
| HS Code | 8536201090 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the IMO B10D2040A used for?
The IMO B10D2040A is used to protect two-pole electrical circuits against overloads and short circuits, particularly where high inrush currents are present.
What is the rated current of this MCB?
The IMO B10D2040A has a 40 A rated current.
What does D curve mean?
A D curve MCB is designed for circuits with high starting currents, making it suitable for motors, transformers, compressors and other inductive equipment.
What is the breaking capacity of the B10D2040A?
The breaker has a 10 kA short-circuit breaking capacity.
How is this breaker installed?
The IMO B10D2040A is designed for installation on a standard 35 mm DIN rail inside an electrical control panel or distribution board.
Trusted by Electrical Professionals Worldwide
IMO miniature circuit breakers are widely used by electrical contractors, panel builders and OEM manufacturers who require reliable circuit protection, compact installation and dependable performance across demanding industrial and commercial applications.
