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P1MB1PB40 – MINIATURE CIRCUIT BREAKER 1P CURVE B 40A
Lovato P1MB1PB40 miniature circuit breaker with a 40 A rated current, Type B tripping characteristic, single-pole design and 10 kA breaking capacity.
£12.04
Why Choose the Lovato P1MB1PB40 Miniature Circuit Breaker?
The Lovato P1MB1PB40 is a premium miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in residential, commercial and industrial electrical installations. As part of the proven Lovato P1MB modular protection range, it combines compact dimensions, dependable performance and compliance with recognised international standards.
Featuring a 40 A rated current, a Type B tripping characteristic and a 10 kA short-circuit breaking capacity, the P1MB1PB40 is ideal for protecting lighting circuits, socket outlets, distribution boards and general-purpose electrical loads with relatively low inrush currents. Its thermal-magnetic operating mechanism delivers rapid fault response while maintaining dependable everyday operation.
The breaker occupies just one DIN module and clips onto a standard 35 mm DIN rail, making it an excellent solution for panel builders, OEMs and electrical contractors requiring compact, high-performance circuit protection.
Key Advantages
- Reliable overload and short-circuit protection.
- 40 A rated current for higher-capacity electrical circuits.
- Type B tripping characteristic for lighting and general-purpose applications.
- 10 kA breaking capacity for dependable fault protection.
- Compact single-module DIN rail design.
- Suitable for residential, commercial and industrial installations.
Key Features
- Lovato P1MB miniature circuit breaker series.
- 40 A rated operational current.
- Single-pole (1P) configuration.
- Type B thermal-magnetic tripping characteristic.
- 10 kA short-circuit breaking capacity.
- 230 V AC rated operational voltage.
- 80 V DC rated operational voltage.
- Rated insulation voltage of 440 V.
- Rated impulse withstand voltage of 4 kV.
- Standard 35 mm DIN rail mounting.
Reliable Circuit Protection for Electrical Installations
The Lovato P1MB1PB40 automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, protecting cables, connected equipment and electrical installations from damage. Its thermal-magnetic protection ensures rapid fault clearance while helping maintain reliable operation under normal load conditions.
Its compact dimensions, robust construction and international approvals make it suitable for modern consumer units, distribution boards, switchgear assemblies and industrial control panels requiring dependable 40 A circuit protection.
Typical Applications
- Residential consumer units.
- Commercial distribution boards.
- Industrial switchboards.
- Machine control panels.
- Socket outlet and power distribution circuits.
- Building services installations.
- Automation and OEM equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 40 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | Lovato Electric | |
| Series | P1MB | |
| Model | P1MB1PB40 | |
| Product type | Miniature circuit breaker | |
| Number of poles | 1P | |
| Rated current | 40 A | |
| Tripping characteristic | Type B | |
| Rated operational voltage | 230 V AC | |
| Rated operational voltage DC | 80 V DC | |
| Frequency | 50 / 60 Hz | |
| Rated insulation voltage (Ui) | 440 V | |
| Rated impulse withstand voltage (Uimp) | 4 kV | |
| Breaking capacity | 10 kA | |
| Limiting class | 3 | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Width | 1 DIN module | |
| Mechanical life | 20,000 operations | |
| Electrical life | 10,000 operations | |
| Operating temperature | -40 °C to +70 °C | |
| Maximum conductor size | 35 mm² | |
| Dimensions (H × W × D) | approx. 86.5 × 18 × 80 mm | |
| Weight | approx. 115 g | |
| Compliance | 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 P1MB1PB40 used for?
The P1MB1PB40 protects electrical circuits against overloads and short-circuit faults in residential, commercial and industrial installations.
What is the rated current of this circuit breaker?
The Lovato P1MB1PB40 has a 40 A rated current.
What does the Type B tripping characteristic mean?
Type B circuit breakers are designed for circuits with relatively low inrush currents, making them ideal for lighting, socket outlets and general-purpose electrical applications.
What is the breaking capacity?
The breaker provides a 10 kA short-circuit breaking capacity in accordance with IEC standards.
How is the P1MB1PB40 installed?
The breaker clips directly onto a standard 35 mm DIN rail and occupies one DIN module within the electrical enclosure.
Trusted Protection from Lovato Electric
Lovato Electric miniature circuit breakers are trusted worldwide by panel builders, OEMs and electrical contractors for reliable circuit protection, compact installation and long service life.
