Description
The OOHMAGE OMN3-40 Series Miniature Circuit Breaker (MCB) offers dependable electrical circuit protection for residential and small building installations. Its phase-neutral protection and dual tripping mechanisms ensure safety against overloads and short circuits.
Features:
Phase-Neutral Protection: Safeguards both phase and neutral conductors, enhancing overall system safety.
High Breaking Capacity: Withstands up to 3000A, protecting circuits from high short-circuit currents.
Dual Tripping Mechanism: Incorporates a thermal-magnetic trip mechanism for comprehensive overload and short-circuit protection.
Durable Design: Built for longevity with a mechanical life of 20,000 cycles and electrical life of 10,000 cycles.
Easy Installation: Compatible with DIN rail mounted circuit breakers, facilitating quick setup.
Applications:
Residential: Ideal for protecting home electrical circuits, ensuring safety for lighting and appliances.
Small Commercial Buildings: Suitable for offices and retail spaces requiring reliable circuit protection.
Specification
| Number of Poles | 1P+N |
| Rated Current (A) | 1, 2, 3, 4, 5, 6, 10, 16, 20, 25, 32,40 |
| Rated Operational Voltage | 230V/240V |
| Trip Unit Technology | Thermal-magnetic |
| Curve Code | B, C, D |
| Standards | IEC/EN 60898-1 |
| Network Frequency | 50/60Hz |
| Breaking Capacity | Icn=Ics=3000A |
| [Ui] Rated Insulation Voltage | 415V AC |
| [Uimp] Rated Impulse Withstand Voltage | 4000V |
| Mechanical Durability | 20000 cycles |
| Electrical Durability | 10000 cycles |
| Tightening Torque | M4 2N.m Ⅱ |
| IP Degree of Protection | IP20 comforming to IEC 60529 IP40(modular enclosure) comforming to IEC 60529 |
| Ambient Air Temperature for Operation | -5~40°C |
| EU RoHS Directive | Compliant EU RoHS Declaration |
| Pollution Degree | 2 comforming to IEC/EN 60898-1 |
| Upper Wiring Lower Wiring | 1-16mm²![]() |
Dimensions

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1-16mm²