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P1MB4PC40 – MINIATURE CIRCUIT BREAKER 4P CURVE C 40A
Lovato P1MB4PC40 four-pole miniature circuit breaker with a 40 A rated current, Type C tripping characteristic and 10 kA short-circuit breaking capacity.
£81.40
Why Choose the Lovato P1MB4PC40 Miniature Circuit Breaker?
The Lovato P1MB4PC40 is a premium four-pole miniature circuit breaker (MCB) engineered to provide reliable protection against overloads and short circuits in commercial, industrial and OEM electrical installations. Part of the Lovato Electric P1MB modular protection range, it combines dependable thermal-magnetic protection with a compact DIN rail mounted design for modern switchboards and automation systems.
Featuring a 40 A rated current, a Type C tripping characteristic and a 10 kA short-circuit breaking capacity, the P1MB4PC40 is ideally suited to protecting motors, transformers, power supplies and other inductive loads where moderate inrush currents occur. The four-pole configuration provides simultaneous disconnection of all conductors, improving operational safety and simplifying maintenance.
Designed for long-term reliability, the breaker features current-limiting class 3 performance, positive contact indication and compliance with major IEC, UL and CSA standards. It is also suitable for photovoltaic applications when correctly specified within the electrical installation.
Key Advantages
- Reliable overload and short-circuit protection.
- Four-pole configuration for complete circuit isolation.
- 40 A rated current for industrial and commercial applications.
- Type C tripping characteristic for moderate inrush current loads.
- 10 kA breaking capacity for dependable fault protection.
- Suitable for standard electrical installations and photovoltaic applications.
Key Features
- Lovato Electric P1MB miniature circuit breaker series.
- Four-pole thermal-magnetic protection.
- 40 A rated operational current.
- Type C tripping characteristic.
- 10 kA IEC short-circuit breaking capacity.
- Current-limiting class 3 performance.
- Positive contact status indication.
- 35 mm DIN rail mounting.
Reliable Protection for Industrial Power Circuits
Miniature circuit breakers automatically disconnect electrical supplies whenever overload or short-circuit conditions occur. Thermal protection responds to sustained overloads, while magnetic protection rapidly interrupts fault currents before damage can occur to connected wiring and equipment.
The Lovato P1MB4PC40 combines a 40 A current rating with a Type C tripping curve, making it particularly suitable for protecting motors, transformers and other inductive loads. Its four-pole construction ensures complete isolation of three-phase circuits during maintenance or fault conditions.
Typical Applications
- Industrial control panels and automation systems.
- Three-phase electrical distribution boards.
- Motor and transformer protection.
- Commercial electrical installations.
- Photovoltaic power systems.
- OEM machinery and switchgear assemblies.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 40 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | Lovato Electric | |
| Series | P1MB | |
| Model | P1MB4PC40 | |
| Product type | Miniature circuit breaker | |
| Number of poles | 4P | |
| Number of DIN modules | 4 | |
| Rated current | 40 A | |
| Tripping characteristic | Type C | |
| Rated short-circuit breaking capacity | 10 kA | |
| Rated operational voltage | 230 / 400 V AC | |
| Rated insulation voltage | 440 V | |
| Rated impulse withstand voltage | 4 kV | |
| Rated frequency | 50 / 60 Hz | |
| Current-limiting class | 3 | |
| Power dissipation per pole | 3.84 W maximum | |
| Operating temperature | -40°C to +70°C | |
| Mechanical life | 20,000 operations | |
| Electrical life | 10,000 operations | |
| Mounting type | 35 mm DIN rail | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | Approx. 86.5 × 72 × 79.5 mm | |
| Weight | Approx. 460 g | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 and CSA C22.2 No. 235 | |
| HS Code | 85362010 |
Frequently Asked Questions
What is the Lovato P1MB4PC40 used for?
The Lovato P1MB4PC40 protects industrial and commercial electrical circuits against overloads and short circuits, particularly where moderate inrush currents are present.
What is the rated current?
This miniature circuit breaker has a rated operational current of 40 A.
What does the Type C tripping characteristic mean?
Type C breakers are intended for inductive loads such as motors, transformers and power supplies that generate moderate starting currents.
What is the breaking capacity of the P1MB4PC40?
The breaker provides a 10 kA short-circuit breaking capacity in accordance with IEC standards.
Can the P1MB4PC40 be used in photovoltaic applications?
Yes. The P1MB4PC40 is suitable for photovoltaic applications when correctly selected and installed in accordance with the relevant system requirements.
Trusted Electrical Protection from Lovato Electric
Lovato Electric miniature circuit breakers are trusted worldwide by electrical contractors, panel builders and automation engineers for dependable circuit protection, robust construction and long-term reliability.
