Circuit breakers
Electrical circuit breakers for residential, commercial and industrial installations
Electrical circuit breakers provide essential protection for people and electrical installations against overloads, short circuits and electrical faults. Essential in any low-voltage installation, they automatically disconnect the power supply in the event of an abnormal condition, ensuring safety, regulatory compliance and service continuity.
At Optim-Elec, we offer a wide range of modular circuit breakers and motor circuit breakers designed for residential, commercial and industrial installations. All our products comply with current European and international standards (IEC / EN), meeting the requirements of electrical professionals.
A complete range of circuit breakers for every application
Our selection includes:
Modular circuit breakers (MCB)
Designed to protect lighting circuits, socket outlets and electrical equipment in residential and commercial buildings.
Available with B, C or D tripping curves, in 1P, 1P+N, 2P, 3P or 4P versions, and with various breaking capacities (4.5 kA, 6 kA, 10 kA) to suit different electrical panel configurations.
Motor circuit breakers
Specifically designed for thermal and magnetic protection of electric motors against overloads, short circuits and phase failure.
They are ideal for use in industrial control panels, machinery and automated installations, where reliable motor protection is critical.
Circuit breakers for electrical panels
Compatible with standard electrical distribution boards, these circuit breakers are designed for DIN-rail mounting and are available with screw terminals or automatic terminals, ensuring fast, safe and compliant installation.
Circuit breakers compliant with European and international standards
All our circuit breakers are carefully selected to meet the requirements of professional electricians, installers and engineering offices, with compliance to the following standards:
- EN / IEC 60898-1 – Modular circuit breakers
- EN / IEC 60947-2 and 60947-4-1 – Industrial and motor circuit breakers
They are suitable for both new electrical installations and electrical renovation projects, across a wide range of residential, commercial and industrial applications.