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IMO B10D3050A MCB – 3P – D Curve – 50A – 10kA
IMO B10D3050A 10kA miniature circuit breaker with D curve tripping characteristic, 3 pole configuration and 50A current rating for industrial and commercial electrical protection.
£23.88
Why Choose the IMO B10D3050A Miniature Circuit Breaker?
The IMO B10D3050A is a high performance 10kA miniature circuit breaker (MCB) designed to provide dependable overload and short circuit protection in demanding industrial, commercial and OEM electrical installations. As part of the robust IMO B10 Series, it offers increased breaking capacity for applications where higher fault levels may be present.
Featuring a D curve tripping characteristic, this miniature circuit breaker is ideal for circuits with high inrush currents, including motors, transformers, solenoids and inductive industrial loads. Its compact DIN rail mounted design, clear contact indication and durable construction make it suitable for control panels, distribution boards and machinery protection.
With a 50A rated current, 3 Pole configuration and a 10kA short circuit breaking capacity, the B10D3050A provides reliable circuit protection for three phase electrical systems requiring high performance and standards-compliant protection.
Key Advantages
- High performance 10kA miniature circuit breaker for demanding installations.
- 50A rated current with D curve tripping characteristics.
- 3 Pole configuration for three phase electrical protection.
- Suitable for circuits with high inrush currents.
- DIN rail mounting for fast installation in electrical enclosures.
- Manufactured in accordance with IEC 60898-1 and IEC 60947-2.
Key Features
- IMO B10 Series miniature circuit breaker.
- 50A rated current.
- D curve tripping characteristic.
- 3 Pole configuration.
- 10kA short circuit breaking capacity.
- Suitable for 230/415V AC systems.
- Rated insulation voltage of 500V.
- Compact DIN rail mounted design.
Reliable Protection for High Inrush Electrical Loads
Miniature circuit breakers automatically disconnect electrical circuits when overload or short circuit faults occur, helping to protect wiring, equipment and connected devices from damage while improving installation safety and reliability.
The D curve characteristic of the IMO B10D3050A allows it to tolerate higher temporary inrush currents than B or C curve devices, making it suitable for inductive loads and equipment that draws a high starting current during normal operation.
Typical Applications
- Industrial control panels.
- Three phase distribution boards.
- Motor circuits and inductive loads.
- Transformer protection circuits.
- OEM machinery and automation systems.
- Commercial and industrial electrical installations.
Technical Specifications
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| Current | 50 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Manufacturer | IMO Precision Controls | |
| Series | B10 Miniature Circuit Breakers | |
| Model | B10D3050A | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 50 A | |
| Tripping characteristic | D Curve | |
| Number of poles | 3 Pole | |
| Rated voltage | 230/415 V AC | |
| Rated insulation voltage | 500 V | |
| Frequency | 50 / 60 Hz | |
| Short circuit capacity | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | 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 B10D3050A used for?
It provides overload and short circuit protection for three phase electrical circuits, particularly where higher inrush currents are present.
What is the rated current of this MCB?
The IMO B10D3050A has a 50A rated current.
What does the D curve tripping characteristic mean?
D curve circuit breakers are designed for circuits with high inrush currents, such as motors, transformers and other inductive loads.
How many poles does this circuit breaker have?
This model has a 3 Pole configuration, making it suitable for three phase electrical systems.
What is the breaking capacity of the B10D3050A?
The B10D3050A has a 10kA short circuit breaking capacity.
Trusted by Electrical Professionals Worldwide
IMO B10 miniature circuit breakers are trusted by panel builders, electrical contractors and industrial engineers for high performance circuit protection, straightforward installation and reliable operation across demanding electrical applications.
