P1MB3PC50 - MINIATURE CIRCUIT BREAKER 3P CURVE C 50A

Why Choose the P1MB3PC50?

Choose the Lovato P1MB3PC50 Miniature Circuit Breaker for dependable three‑phase protection. This 3‑pole, 3‑module MCB delivers a 50 A rated current with characteristic C tripping and a 10 kA breaking capacity, helping safeguard circuits against overloads and short circuits. Built to international standards, it suits compact distribution assemblies where reliable, repeatable operation and straightforward specification are essential.

Engineered for durability and safety, it offers Ui 440 V, Uimp 4 kV and IP20 frontal protection, with a mechanical life of 20,000 cycles. Operating reliably from -40 to +70 °C up to 2,000 m altitude, it meets IEC/EN 60898‑1 and IEC/EN 60947‑2 requirements and is UL 1077 recognised. Power dissipation is limited to 3.5 W per pole, and terminals tighten to 1.8–2 Nm for secure connections.

Key Benefits

• 10 kA breaking capacity for robust fault protection on three-phase circuits.
• Characteristic C tripping ensures dependable performance for general applications.
• 50 A rated current suits demanding circuit protection tasks.
• Compact 3‑module, 3‑pole format optimises panel space.
• Wide -40 to +70 °C operating range enhances installation flexibility.
• Compliant with IEC/EN 60898‑1, IEC/EN 60947‑2 and UL 1077.
• IP20 frontal protection and 20,000-cycle life support safety and longevity.

Technical Specification

• Rated insulation voltage Ui (IEC/EN): 440 V
• Rated impulse withstand voltage Uimp: 4 kV
• Power dissipation per pole (max): 3.5 W
• Operating temperature: -40 to +70 °C
• Storage temperature: -40 to +80 °C
• Max altitude: 2000 m
• Terminal tightening torque: 1.8 to 2 Nm
• Mechanical life: 20000 cycles
• Weight: 345 g
• IP degree (frontal): IP20
• Pollution degree: 2

What’s Included

• Lovato P1MB3PC50 miniature circuit breaker (3P, characteristic C, 50 A)
• Manufacturer documentation and installation guidance
• Protective packaging for safe transit

Applications

• Three‑phase circuits requiring characteristic C tripping at 50 A
• Industrial and commercial distribution panels needing 10 kA breaking capacity
• Auxiliary protection applications in accordance with UL 1077
• Installations operating from -40 to +70 °C up to 2000 m altitude

Safety note: Installation should be performed by qualified personnel. Isolate all power, apply the specified 1.8–2 Nm terminal torque, and observe IP20 frontal protection and relevant standards.