P1MB3PC40 - MINIATURE CIRCUIT BREAKER 3P CURVE C 40A

Why Choose the P1MB3PC40?

Choose the Lovato P1MB3PC40 miniature circuit breaker for dependable three-pole protection. The P1MB3PC40 delivers C-curve performance at 40 A with a 10 kA rating, packaged in a compact 3-module format. Designed for standard applications, this 3P MCB balances reliable fault protection with space efficiency, making it a strong choice for modern distribution and control assemblies.

Built for real-world conditions, it offers Ui 440 V insulation and 4 kV impulse withstand, IP20 frontal protection, and a wide -40 to +70 °C operating range. Compliance to IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077 underpins quality, while a 20,000-cycle mechanical life supports dependable service over time.

Key Benefits

• 3P protection in a compact 3 DIN-module format.
• C tripping curve for standard circuit protection per IEC/EN.
• Rated current 40 A for reliable overcurrent protection.
• Ui 440 V insulation and 4 kV impulse withstand.
• Wide operating range from -40 to +70 °C.
• IP20 frontal degree for basic ingress protection.
• 20,000 mechanical cycles for long service life.
• Compliant with IEC/EN 60898-1, IEC/EN 60947-2, and UL 1077.

Technical Specification

• Rated insulation voltage Ui (IEC/EN): 440 V
• Rated impulse withstand voltage Uimp: 4 kV
• Power dissipation per pole (max): 3.84 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: 340 g
• IP degree (frontal): IP20
• Pollution degree: 2

What’s Included

• Lovato P1MB3PC40 miniature circuit breaker
• Installation and safety information
• Manufacturer datasheet (downloadable)
• Standard packaging

Applications

• 40 A circuits requiring C-curve miniature circuit breaker protection
• Three-pole protection in systems using 3 DIN modules
• Installations needing compliance with IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077
• Environments within -40 to +70 °C operating temperatures

Safety note: Install and commission only by qualified personnel. Use within the stated electrical ratings and environmental limits, including altitude up to 2000 m and pollution degree 2. Isolate power before any work.