< img height="1" width="1" src="https://www.facebook.com/tr?id=1523171142290993&ev=PageView&noscript=1"/>

OMN3-40 3kA MCB Miniature Circuit Breaker

  • Phase-Neutral Protection
  • High Breaking Capacity: With a breaking capacity of 3000A
  • Dual Tripping Mechanism
  • Durability for Long-Term Reliability
  • Ease of Installation

Share to:

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 Poles1P+N
Rated Current (A)1, 2, 3, 4, 5, 6, 10, 16, 20, 25, 32,40
Rated Operational Voltage230V/240V
Trip Unit TechnologyThermal-magnetic
Curve CodeB, C, D
StandardsIEC/EN 60898-1
Network Frequency50/60Hz
Breaking CapacityIcn=Ics=3000A
[Ui] Rated Insulation Voltage415V AC
[Uimp] Rated Impulse
Withstand Voltage
4000V
Mechanical Durability20000 cycles
Electrical Durability10000 cycles
Tightening TorqueM4 2N.m Ⅱ
IP Degree of ProtectionIP20 comforming to IEC 60529
IP40(modular enclosure) comforming to IEC 60529
Ambient Air Temperature for Operation-5~40°C
EU RoHS DirectiveCompliant EU RoHS Declaration
Pollution Degree2 comforming to IEC/EN 60898-1
Upper Wiring Lower Wiring1-16mm²

Dimensions

OMN3-40 dimension

Request Quote

Tell us your specifications, quantity, or application scenario and we will reply with a tailored quote.

+86-18757092555 Phone info@oohmage.com E-mail Chat on WhatsApp WhatsApp