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P1MBUH3PC03 – MINIATURE CIRCUIT BREAKER 3P CURVE C 3A UL489
Lovato P1MBUH3PC03 three-pole miniature circuit breaker with a 3 A current rating, Type C tripping characteristic, 10 kA breaking capacity and DIN rail mounting for industrial electrical protection.
£116.45
Why Choose the Lovato P1MBUH3PC03 Miniature Circuit Breaker?
The Lovato P1MBUH3PC03 is a high-performance three-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial, commercial and OEM electrical installations. Part of the Lovato Electric P1MB modular protection range, it combines reliable thermal magnetic protection with a compact three-module DIN rail mounted design suitable for modern control panels and electrical distribution systems.
Featuring a 3 A rated current, Type C tripping characteristic and a 10 kA short-circuit breaking capacity, the P1MBUH3PC03 is ideally suited to low-current three-phase control circuits, transformers, instrumentation, power supplies and auxiliary equipment that experience moderate inrush currents. Its three-pole construction disconnects all live conductors simultaneously for enhanced safety and circuit isolation.
Designed for installation on a standard 35 mm DIN rail, this miniature circuit breaker complies with UL 489 and IEC/EN 60947-2, making it suitable for machinery, industrial automation, control panels and electrical distribution systems requiring internationally recognised protection standards.
Key Advantages
- Reliable overload and short-circuit protection.
- 3 A rated current for low-current three-phase circuits.
- Three-pole switching disconnects all live conductors simultaneously.
- Type C tripping characteristic for moderate inrush current applications.
- 10 kA short-circuit breaking capacity.
- Certified to UL 489 and IEC/EN 60947-2.
Key Features
- Lovato Electric P1MB series.
- Three-pole (3P) configuration.
- 3 A nominal current rating.
- Type C tripping curve.
- 10 kA short-circuit breaking capacity.
- 230/400 V AC IEC operational voltage.
- 480Y/277 V AC UL operational voltage.
- Compact three-module DIN rail design.
Reliable Three-Phase Circuit Protection
Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short-circuit conditions occur. This protects conductors, switchgear and connected equipment from excessive current while improving electrical safety and reducing downtime.
The Lovato P1MBUH3PC03 combines thermal magnetic protection with a Type C operating characteristic, making it suitable for low-current three-phase control systems, transformers, instrumentation and industrial automation equipment where dependable protection is essential.
Typical Applications
- Industrial automation panels.
- Three-phase control circuits.
- Instrumentation and monitoring systems.
- Transformer and auxiliary circuits.
- OEM machinery.
- Commercial and industrial distribution boards.
Technical Specifications
Tick the specs you need, then view products that match.
| Certification | UL 489 | |
|---|---|---|
| Current | 3 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | Lovato Electric | |
| Series | P1MB | |
| Model | P1MBUH3PC03 | |
| Product type | Miniature circuit breaker | |
| Number of poles | 3P | |
| Number of DIN modules | 3 | |
| Rated current | 3 A | |
| Tripping characteristic | Type C | |
| Short-circuit breaking capacity | 10 kA | |
| Rated operational voltage (IEC) | 230/400 V AC | |
| Rated operational voltage (UL) | 480Y/277 V AC | |
| Rated operational voltage (DC) | 125 V DC | |
| Rated frequency | 50 / 60 Hz | |
| Rated insulation voltage (Ui) | 440 V | |
| Rated impulse withstand voltage (Uimp) | 4 kV | |
| Protection rating | IP20 | |
| Mechanical endurance | 20,000 cycles | |
| Electrical endurance | 10,000 cycles | |
| Mounting type | 35 mm DIN rail | |
| Operating mechanism | Thermal magnetic | |
| Weight | Approx. 388 g | |
| HS Code | 85362010 |
Frequently Asked Questions
What is the Lovato P1MBUH3PC03 used for?
The P1MBUH3PC03 protects low-current three-phase electrical circuits against overloads and short circuits in industrial machinery, control panels and distribution systems.
What is the rated current of this circuit breaker?
The Lovato P1MBUH3PC03 has a nominal current rating of 3 A.
How many poles does the P1MBUH3PC03 have?
It is a three-pole miniature circuit breaker, allowing all three live conductors to be disconnected simultaneously.
What does the Type C tripping characteristic mean?
A Type C characteristic accommodates moderate temporary inrush currents, making the breaker suitable for transformers, power supplies, contactors and industrial control equipment.
What is the breaking capacity of this MCB?
The breaker provides a 10 kA short-circuit breaking capacity for dependable industrial circuit protection.
How is the P1MBUH3PC03 installed?
The breaker mounts directly onto a standard 35 mm DIN rail and occupies three DIN modules.
Trusted Industrial Circuit Protection
Lovato Electric miniature circuit breakers are trusted by panel builders, OEMs and electrical engineers worldwide to provide dependable protection, reliable performance and long service life across industrial automation and power distribution applications.
