P1MBUH3PC01 - MINIATURE CIRCUIT BREAKER 3P CURVE C 1A UL489

Why Choose the P1MBUH3PC01?

Designed for dependable low-voltage protection, the Lovato P1MBUH3PC01 miniature circuit breaker delivers precise 3-pole, C-curve performance at 1 A across three DIN modules. Built to IEC/EN 60947-2 and UL489 requirements, it offers 440 V rated insulation and 4 kV impulse withstand for robust equipment safeguarding. Its IP20 frontal protection and compact footprint make it a reliable choice for control panels, distribution boards and OEM assemblies where space and selectivity matter.

Engineered for demanding environments, it operates from −40 to +70 °C with a mechanical life of 20,000 cycles and secure terminals tightened to 1.8–2 Nm. With a 3P – 10 kA configuration, 2000 m maximum altitude capability and pollution degree 2, it suits varied installations. Backed by Sustainability certification, this device integrates cleanly into panel designs while supporting consistent, code-compliant protection and straightforward maintenance.

Key Benefits

• 3-pole, C-curve protection ideal for mixed and inductive loads.
• Rated current 1 A for precise low-load circuit protection.
• Compact 3 DIN modules to save valuable panel space.
• High impulse withstand 4 kV enhances surge resilience.
• Wide operating temperature −40 to +70 °C for harsh environments.
• IP20 frontal protection improves user safety during operation.
• Long mechanical life of 20,000 cycles reduces maintenance.
• Certified to IEC/EN 60947-2 and UL489 for global acceptance.

Technical Specification

• Rated insulation voltage Ui (IEC/EN): 440 V
• Rated impulse withstand voltage Uimp: 4 kV
• Power dissipation per pole (max): 1.07 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: 388 g
• IP degree (frontal): IP20
• Pollution degree: 2

What’s Included

• Lovato P1MBUH3PC01 miniature circuit breaker
• Manufacturer datasheet (PDF link via product page)
• Protective packaging for transit

Applications

• Control panels and switchboards requiring precise 1 A protection
• Industrial machinery with C-curve needs for inductive load switching
• OEM equipment and panel builds with 3 DIN-module allocation
• Low-voltage distribution circuits in commercial and industrial sites
• Retrofit upgrades where IEC/EN 60947-2 and UL489 compliance is required

Safety note: Installation must be carried out by qualified personnel. Isolate power before work, tighten terminals to 1.8–2 Nm, and observe the stated ratings and standards for safe operation.