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IMO B10C3N20A MCB – 3P+N – C Curve – 20A – 10kA
IMO B10C3N20A three-pole plus neutral miniature circuit breaker with 20 A rating, C curve tripping characteristic, 240/415 V AC operating voltage and 10 kA breaking capacity for industrial and commercial electrical protection.
Why Choose the IMO B10C3N20A Miniature Circuit Breaker?
The IMO B10C3N20A is a robust three-pole plus neutral miniature circuit breaker (MCB) designed to protect electrical installations against overloads and short circuits. As part of the dependable IMO B10 circuit protection range, it provides reliable protection for commercial, industrial and OEM applications requiring safe three-phase power distribution.
Manufactured in accordance with IEC/EN 60898 and IEC/EN 60947-2, this MCB combines high breaking capacity with a compact modular design. Its C curve tripping characteristic makes it suitable for general-purpose circuits and loads with moderate inrush currents, including lighting, power distribution, control equipment and small motor circuits.
Featuring a 20 A rated current, 3 Pole + Neutral configuration, 10 kA short circuit breaking capacity and 240/415 V AC operating voltage, the B10C3N20A offers dependable circuit protection while simplifying installation within modern electrical distribution systems.
Key Advantages
- Reliable 3 Pole + Neutral miniature circuit breaker.
- 20 A rated current for three-phase electrical circuits.
- C curve tripping characteristic for general industrial and commercial loads.
- 10 kA breaking capacity for enhanced fault protection.
- Compact DIN rail mounted design.
- Neutral on right configuration for panel wiring consistency.
- Finger-safe IP20 connection terminals.
- Suitable for terminal, pin and fork busbar connections.
Key Features
- IMO B10 miniature circuit breaker series.
- 20 A rated current.
- 3 Pole + Neutral configuration.
- C curve tripping characteristic.
- 240/415 V AC operating voltage.
- 10 kA breaking capacity.
- IEC/EN 60898 and IEC/EN 60947-2 compliant.
- 35 mm TS35 DIN rail mounting.
- Maximum flexible cable size of 25 mm².
- Compact 4-module construction.
Reliable Protection for Three-Phase Electrical Systems
Miniature circuit breakers automatically disconnect electrical circuits when overload or short circuit conditions occur, helping protect wiring, switchgear and connected equipment from damage while supporting safe operation in commercial and industrial installations.
The IMO B10C3N20A is designed for professional electrical installations where dependable three-phase circuit protection and neutral switching are required. Its compact design, 10 kA fault capacity and C curve response make it suitable for distribution boards, machinery panels and control systems.
Typical Applications
- Three-phase distribution boards.
- Industrial control panels.
- Commercial electrical installations.
- OEM machinery.
- Building services systems.
- Lighting and power distribution circuits.
- Automation and switchgear panels.
Technical Specifications
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| Current | 20 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole + N | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | B10 | |
| Model | B10C3N20A | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 20 A | |
| Number of poles | 3 Pole + Neutral | |
| Neutral position | Neutral on right | |
| Tripping curve | C | |
| Operational voltage | 240/415 V AC | |
| Insulation voltage | 240/415 V AC | |
| Frequency | 50/60 Hz | |
| Short circuit breaking capacity | 10 kA | |
| Standards | IEC/EN 60898, IEC/EN 60947-2 | |
| Approvals | KEMA, CE | |
| Mounting type | 35 mm TS35 DIN rail | |
| Maximum flexible cable size | 25 mm² | |
| Minimum flexible cable size | 1 mm² | |
| Dimensions (H × W × D) | 85.5 × 70.3 × 78 mm | |
| Weight | approx. 0.4 kg |
Frequently Asked Questions
What is the IMO B10C3N20A used for?
The B10C3N20A protects three-phase electrical circuits against overloads and short circuits in industrial, commercial and OEM installations.
What current rating does the B10C3N20A have?
This miniature circuit breaker has a 20 A rated current.
What does 3 Pole + Neutral mean?
3 Pole + Neutral means the breaker switches the three phase conductors and the neutral conductor, making it suitable for three-phase distribution circuits requiring neutral switching.
What is the breaking capacity of this MCB?
The IMO B10C3N20A has a 10 kA short circuit breaking capacity.
How is the B10C3N20A installed?
The breaker is designed for mounting on a standard 35 mm TS35 DIN rail inside electrical distribution boards, switchgear and control panels.
Trusted by Electrical Professionals Worldwide
IMO miniature circuit breakers are trusted by panel builders, electrical contractors and industrial engineers for reliable circuit protection, straightforward installation and long-term performance in demanding electrical applications.
