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IMO B10D3125A MCB – 3P – D Curve – 125A – 10kA
IMO B10D3125A three pole 125 A D Curve miniature circuit breaker with 10 kA breaking capacity for industrial and commercial electrical circuit protection.
£69.10
Why Choose the IMO B10D3125A Miniature Circuit Breaker?
The IMO B10D3125A is a heavy duty three pole miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits in demanding industrial and commercial installations. As part of the trusted IMO B10 series, this 125 A D Curve breaker is ideal for applications where high inrush currents are present.
Built for DIN rail installation, the IMO B10 range provides reliable fault protection in a compact, panel-friendly format. The breaker features finger protected terminals, a clear contact position indicator and a durable switching mechanism for dependable performance in control panels, distribution boards and OEM machinery.
With a 125 A current rating, D Curve tripping characteristic, three pole configuration and 10 kA breaking capacity, the IMO B10D3125A is well suited to three phase circuits supplying motors, transformers, industrial machinery and equipment with high starting currents.
Key Advantages
- Heavy duty three pole miniature circuit breaker.
- 125 A rated current for high current electrical circuits.
- D Curve characteristic for high inrush current applications.
- 10 kA breaking capacity for dependable short circuit protection.
- DIN rail mounting for fast installation in panels and distribution boards.
- Suitable for industrial, commercial and OEM electrical systems.
Key Features
- IMO B10 miniature circuit breaker series.
- Three pole (3P) configuration.
- 125 A current rating.
- D Curve magnetic tripping characteristic.
- 10 kA short circuit breaking capacity.
- Rated for 230/415 V AC electrical systems.
- Suitable for terminal, pin and fork type busbar connections.
- Finger protected terminals with contact position indication.
Reliable Protection for High Inrush Current Circuits
Miniature circuit breakers automatically disconnect electrical circuits when overload or short circuit conditions occur, helping to protect wiring, switchgear and connected equipment. The IMO B10 series is designed for consistent tripping performance and dependable protection in low voltage electrical installations.
The D Curve characteristic makes the B10D3125A particularly suitable for circuits with high starting currents, helping reduce nuisance tripping when motors, transformers or inductive loads are energised.
Typical Applications
- Three phase industrial power distribution.
- Motor control panels.
- Transformers and inductive loads.
- Industrial machinery and production equipment.
- OEM control panels.
- Commercial and industrial distribution boards.
Technical Specifications
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| Current | 125 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | B10 | |
| Model | B10D3125A | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Number of poles | 3 | |
| Current rating | 125 A | |
| Tripping characteristic | D Curve | |
| Breaking capacity | 10 kA | |
| Rated voltage | 230/415 V AC | |
| Frequency | 50 / 60 Hz | |
| Standards | IEC/EN 60898-1 | |
| Mounting type | 35 mm DIN rail | |
| Protection rating | IP20 | |
| Number of modules | 3 | |
| Operating temperature | -25°C to +55°C | |
| HS Code | 8536209090 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the IMO B10D3125A used for?
It is used to protect three phase electrical circuits against overloads and short circuits, particularly where high inrush currents are present.
What is the current rating of the B10D3125A?
The IMO B10D3125A has a rated current of 125 A.
What does D Curve mean?
D Curve miniature circuit breakers are designed for high inrush current circuits and typically trip between 10 and 20 times their rated current.
What is the breaking capacity?
The breaker provides a 10 kA short circuit breaking capacity for reliable fault protection.
How is the B10D3125A installed?
The device mounts onto a standard 35 mm DIN rail inside electrical panels, distribution boards and control cabinets.
Trusted by Electrical Professionals Worldwide
IMO B10 miniature circuit breakers are trusted by panel builders, electrical contractors and industrial engineers for dependable circuit protection, compact installation and reliable performance across demanding electrical applications.
