SKU: P2MB4PC125MPN: P2MB4PC125
P2MB4PC125 - MINIAT. CIRCUIT BREAKER 4P CURVE C 125A

P2MB4PC125 – MINIAT. CIRCUIT BREAKER 4P CURVE C 125A

Lovato P2MB4PC125 four-pole 125A miniature circuit breaker with C curve trip characteristic, 10kA breaking capacity and DIN rail mounting for industrial circuit protection.

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Why Choose the Lovato P2MB4PC125 Miniature Circuit Breaker?

The Lovato P2MB4PC125 is a heavy-duty four-pole miniature circuit breaker (MCB) engineered to provide dependable overload and short-circuit protection for industrial and commercial electrical installations. As part of the proven Lovato P2MB series, it combines reliable performance, compact dimensions and straightforward DIN rail installation for modern distribution systems.

Designed with a C characteristic tripping curve, the P2MB4PC125 is ideal for general-purpose power distribution circuits and equipment with moderate inrush currents, including lighting, control panels, distribution boards and industrial machinery. Its four-pole configuration enables simultaneous switching and protection of all three phases together with the neutral conductor.

With a 125 A rated current, 230/400 V AC operating voltage and a 10 kA short-circuit breaking capacity, the P2MB4PC125 delivers dependable protection for demanding electrical installations while maintaining excellent operational reliability and long service life.

Key Advantages

  • Reliable four-pole miniature circuit breaker for industrial and commercial installations.
  • 125 A rated current for high-capacity electrical distribution.
  • C curve tripping characteristic suitable for general industrial loads.
  • 10 kA short-circuit breaking capacity for dependable fault protection.
  • Switches and protects three phases and neutral simultaneously.
  • Quick installation on a standard 35 mm DIN rail.
  • Compact six-module design saves valuable panel space.

Key Features

  • Lovato P2MB miniature circuit breaker series.
  • 125 A rated current.
  • Four-pole (4P) configuration.
  • C characteristic tripping curve.
  • 230/400 V AC rated operational voltage.
  • 10 kA short-circuit breaking capacity.
  • Rated insulation voltage (Ui): 400 V.
  • Rated impulse withstand voltage (Uimp): 6 kV.
  • Positive contact indication via flag window.
  • Suitable for mounting on a standard 35 mm DIN rail.

Reliable Protection for Four-Pole Distribution Circuits

Miniature circuit breakers automatically disconnect electrical circuits during overload or short-circuit conditions, helping protect wiring, connected equipment and personnel while reducing downtime and maintenance costs.

The Lovato P2MB4PC125 is designed for demanding industrial environments where dependable circuit protection and reliable isolation are essential. Its four-pole construction makes it ideal for three-phase systems requiring simultaneous switching of the neutral conductor.

Typical Applications

  • Industrial distribution boards.
  • Commercial electrical installations.
  • Three-phase control panels.
  • OEM machinery and equipment.
  • Building services electrical systems.
  • Industrial automation panels.

Technical Specifications

Current 125 A
Phase Three Phase
Manufacturer Lovato Electric
Series P2MB
Model P2MB4PC125
Product type Miniature Circuit Breaker (MCB)
Number of poles 4
Rated current 125 A
Trip characteristic C Curve
Rated operational voltage 230/400 V AC
Rated insulation voltage (Ui) 400 V
Rated impulse withstand voltage (Uimp) 6 kV
Rated frequency 50/60 Hz
Short-circuit breaking capacity 10 kA
Protection rating IP20
Mounting type 35 mm DIN rail
DIN module width 6 modules
Operating temperature -40°C to +70°C
Mechanical endurance 10,000 operations
Weight Approximately 680 g
HS Code 85362090

Frequently Asked Questions

What is the Lovato P2MB4PC125 used for?

It provides overload and short-circuit protection for four-pole industrial and commercial electrical circuits.

What is the rated current of the P2MB4PC125?

This miniature circuit breaker has a 125 A rated current.

What does the C curve characteristic mean?

A C curve breaker is suitable for general-purpose circuits and equipment with moderate starting currents, including lighting, distribution circuits and smaller motors.

How is the breaker installed?

The breaker is designed for installation onto a standard 35 mm DIN rail inside switchboards and control panels.

Which standards does the P2MB4PC125 comply with?

The breaker complies with IEC/EN 60947-2, UL 1077 and CSA C22.2 No. 235 requirements.

Trusted by Electrical Professionals Worldwide

Lovato miniature circuit breakers are trusted by panel builders, machine manufacturers and electrical engineers worldwide for dependable circuit protection, reliable switching performance and long service life in demanding industrial applications.

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