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IMO B10C3N20A-L MCB – 3P+N – C Curve – 20A – 10kA
IMO B10C3N20A-L miniature circuit breaker, a 20 A 3 pole plus neutral C curve MCB with neutral on left and 10 kA breaking capacity for industrial and commercial circuit protection applications.
£30.96
Why Choose the IMO B10C3N20A-L Miniature Circuit Breaker?
The IMO B10C3N20A-L is a dependable 3 pole plus neutral miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits in industrial, commercial and OEM electrical installations. As part of the IMO B10 10kA circuit protection range, it provides reliable low voltage protection for demanding applications.
With a 20 A rated current, C curve tripping characteristic and 10 kA short circuit breaking capacity, the B10C3N20A-L is suitable for circuits with moderate inrush currents, including lighting, control panels, small motors and machinery circuits. The neutral on left configuration supports specific panel layouts where left-hand neutral positioning is required.
Designed for TS35 DIN rail mounting, this MCB offers straightforward installation inside distribution boards, control panels and machinery enclosures. Its compact construction, robust switching mechanism and recognised approvals make it a practical choice for panel builders, electrical contractors and maintenance engineers.
Key Advantages
- 3 pole plus neutral miniature circuit breaker for three-phase plus neutral protection.
- 20 A rated current suitable for industrial and commercial circuits.
- C curve characteristic for circuits with moderate inrush currents.
- 10 kA breaking capacity for dependable short circuit protection.
- Neutral on left configuration for compatible panel layouts.
- Compact DIN rail mounted format for distribution boards and control panels.
Key Features
- IMO B10 miniature circuit breaker series.
- 3 pole plus neutral configuration.
- Neutral positioned on the left.
- 20 A rated current.
- C curve tripping characteristic.
- 10 kA short circuit breaking capacity.
- 240/415 V AC operational voltage.
- Suitable for 50 / 60 Hz electrical systems.
- Compatible with TS35 DIN rail mounting.
- Designed to IEC/EN 60898 and IEC/EN 60947-2 standards.
Reliable Circuit Protection for Three-Phase Systems
Miniature circuit breakers automatically disconnect electrical circuits when overload or short circuit conditions are detected. This helps protect cables, connected equipment and electrical installations while supporting safe and reliable operation.
The C curve characteristic of the IMO B10C3N20A-L allows it to handle moderate inrush currents, making it suitable for general industrial and commercial circuits where dependable three-phase plus neutral protection is required.
Typical Applications
- Three-phase plus neutral distribution boards.
- Industrial control panels.
- Commercial electrical installations.
- Lighting and power distribution circuits.
- OEM machinery and automation systems.
- Panel building and maintenance applications.
Technical Specifications
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| Poles | 3-pole + N | |
|---|---|---|
| Current | 20 A | |
| Phase | Three Phase | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | B10 | |
| Model | B10C3N20A-L | |
| Product type | Miniature circuit breaker | |
| Number of poles | 3 pole plus neutral | |
| Neutral position | Left | |
| Rated current | 20 A | |
| Tripping characteristic | C Curve | |
| Short circuit breaking capacity | 10 kA | |
| Operational voltage | 240/415 V AC | |
| Insulation voltage | 240/415 V AC | |
| Mounting type | TS35 DIN rail | |
| Standards | IEC/EN 60898, IEC/EN 60947-2 | |
| Approvals | KEMA, CE | |
| Maximum flexible cable size | 25 mm² | |
| Minimum flexible cable size | 1 mm² | |
| Dimensions (H × W × D) | approx. 85.5 × 70.3 × 78 mm | |
| Weight | approx. 0.4 kg | |
| HS Code | 8536201090 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the IMO B10C3N20A-L used for?
The IMO B10C3N20A-L is used to protect three-phase plus neutral electrical circuits against overloads and short circuits in industrial, commercial and automation applications.
What is the current rating of this MCB?
This miniature circuit breaker has a 20 A rated current.
What does C curve mean?
A C curve MCB is designed for circuits with moderate inrush currents, making it suitable for many general power, lighting, control and small motor applications.
What does neutral on left mean?
Neutral on left means the neutral pole is positioned on the left-hand side of the breaker, supporting panel layouts that require this specific arrangement.
What is the breaking capacity of the B10C3N20A-L?
The B10C3N20A-L provides a 10 kA short circuit breaking capacity.
Trusted by Electrical Professionals Worldwide
IMO B10 miniature circuit breakers are trusted by electrical contractors, panel builders and industrial engineers for reliable circuit protection, simple installation and dependable performance in demanding low voltage systems.
