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P1MB1PB20 – MINIATURE CIRCUIT BREAKER 1P CURVE B 20A
Lovato P1MB1PB20 miniature circuit breaker with 20 A rated current, Type B tripping characteristic, single-pole design and 10 kA breaking capacity.
£12.04
Why Choose the Lovato P1MB1PB20 Miniature Circuit Breaker?
The Lovato P1MB1PB20 is a high-performance miniature circuit breaker (MCB) engineered to provide dependable protection against overloads and short circuits in residential, commercial and industrial electrical installations. As part of the trusted Lovato P1MB modular protection range, it delivers reliable circuit protection while complying with recognised international standards.
Featuring a 20 A rated current, a Type B tripping characteristic and a 10 kA breaking capacity, the P1MB1PB20 is ideal for protecting lighting circuits, socket outlets, control panels and other electrical loads with relatively low inrush currents. Its thermal-magnetic trip mechanism provides fast, accurate protection against electrical faults.
Designed with a compact single-pole, one-module format, the breaker mounts quickly onto a standard 35 mm DIN rail, making it an excellent choice for distribution boards, switchboards and industrial automation panels where space is at a premium.
Key Advantages
- Reliable overload and short-circuit protection.
- 20 A rated current for a wide range of electrical circuits.
- Type B tripping curve for lighting and general-purpose applications.
- 10 kA short-circuit breaking capacity.
- Compact single-module DIN rail design.
- Suitable for residential, commercial and industrial installations.
Key Features
- Lovato P1MB miniature circuit breaker series.
- 20 A rated operational current.
- Single-pole (1P) configuration.
- Type B thermal-magnetic tripping characteristic.
- 10 kA breaking capacity.
- 230 V AC rated operational voltage.
- Rated insulation voltage of 440 V.
- Rated impulse withstand voltage of 4 kV.
- One DIN module width.
- Standard 35 mm DIN rail mounting.
Reliable Circuit Protection for Electrical Installations
The Lovato P1MB1PB20 automatically disconnects the electrical supply whenever excessive current is detected, protecting cables, connected equipment and electrical installations from damage caused by overloads and short-circuit faults. Its thermal-magnetic mechanism delivers dependable protection while minimising nuisance tripping during normal operation.
Its compact dimensions and straightforward DIN rail installation make it suitable for new electrical installations, machinery manufacture, panel building and retrofit projects requiring dependable 20 A circuit protection.
Typical Applications
- Residential consumer units.
- Commercial distribution boards.
- Industrial switchboards.
- Machine control panels.
- Lighting circuits.
- Socket outlet circuits.
- Automation and control systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 20 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | Lovato Electric | |
| Series | P1MB | |
| Model | P1MB1PB20 | |
| Product type | Miniature circuit breaker | |
| Number of poles | 1P | |
| Rated current | 20 A | |
| Tripping characteristic | Type B | |
| Rated operational voltage | 230 V AC | |
| Rated DC voltage | 80 V DC | |
| Frequency | 50 / 60 Hz | |
| Rated insulation voltage | 440 V | |
| Rated impulse withstand voltage | 4 kV | |
| Breaking capacity | 10 kA | |
| Protection rating | IP20 | |
| Mechanical life | 20,000 operations | |
| Electrical life | 10,000 operations | |
| Mounting type | 35 mm DIN rail | |
| Width | 1 DIN module | |
| Approximate dimensions (H × W × D) | 86.5 × 18 × 80 mm | |
| Approximate weight | 115 g | |
| Compliance | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 | |
| HS Code | 85362010 |
Frequently Asked Questions
What is the Lovato P1MB1PB20 used for?
The P1MB1PB20 protects electrical circuits from overloads and short-circuit faults in residential, commercial and industrial installations.
What is the rated current of this circuit breaker?
The Lovato P1MB1PB20 has a 20 A rated current.
What does the Type B tripping characteristic mean?
Type B circuit breakers trip rapidly at relatively low fault currents, making them ideal for lighting circuits, socket outlets and general-purpose electrical loads.
What is the short-circuit breaking capacity?
The breaker provides a high 10 kA breaking capacity for effective protection against fault currents.
How is the breaker installed?
The P1MB1PB20 mounts directly onto a standard 35 mm DIN rail and occupies one DIN module.
Trusted Protection from Lovato Electric
Lovato Electric miniature circuit breakers are trusted worldwide by panel builders, electrical contractors and OEMs for dependable circuit protection, robust construction and long-term reliability.
