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P1MBUH3PD20 Lovato MCB 3P D20 480Y/277V 10kA UL489
Lovato P1MBUH3PD20 miniature circuit breaker, a 20 A three-pole D curve MCB designed for 480Y/277 V AC industrial circuit protection applications.
£114.14
Why Choose the Lovato P1MBUH3PD20 Miniature Circuit Breaker?
The Lovato P1MBUH3PD20 is a high-performance three-pole miniature circuit breaker (MCB) designed to provide reliable overcurrent and short-circuit protection in industrial and commercial electrical installations. As part of the Lovato P1MBU miniature circuit breaker series, it combines compact DIN rail mounting with dependable protection performance for modern distribution systems.
This MCB features a D tripping characteristic, making it suitable for circuits with higher inrush currents such as motors, transformers and inductive loads. The device is certified to UL489 requirements and provides dependable circuit protection for applications requiring robust switching and fault interruption capabilities.
With a rated current of 20 A, a three-phase 480Y/277 V AC rating and a 10 kA short-circuit breaking capacity, the Lovato P1MBUH3PD20 is ideal for protecting industrial control panels, machinery and electrical distribution equipment.
Key Advantages
- Compact three-pole miniature circuit breaker for industrial protection.
- 20 A rated current suitable for a wide range of electrical circuits.
- D trip characteristic designed for loads with high starting currents.
- UL489 compliance for use in approved branch circuit protection applications.
- 10 kA short-circuit protection capability for reliable fault interruption.
- DIN rail mounting simplifies installation inside electrical enclosures.
Key Features
- Lovato P1MBU miniature circuit breaker series.
- 3-pole configuration with three protected poles.
- 20 A rated current.
- D-type tripping curve for inductive and high inrush loads.
- 480Y/277 V AC UL rated operational voltage.
- 10 kA short-circuit breaking capacity.
- IEC / UL489 compliance.
- Thermal magnetic protection technology.
- 35 mm DIN rail mounting design.
Reliable Circuit Protection for Industrial Systems
Miniature circuit breakers such as the Lovato P1MBUH3PD20 protect electrical circuits by automatically disconnecting power during overload or short-circuit conditions. The thermal magnetic protection mechanism provides dependable operation while helping reduce the risk of damage to connected equipment.
The P1MBU series is designed for industrial automation panels, machinery builders and electrical engineers requiring compact, standards-compliant protection devices. Its DIN rail format allows efficient integration into control cabinets and distribution boards.
Typical Applications
- Industrial control panels and automation cabinets.
- Motor circuits and inductive loads.
- Machinery protection systems.
- Electrical distribution boards.
- Commercial and industrial installations.
- OEM equipment and machine building applications.
Technical Specifications
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| Certification | UL 489 | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| HS Code | 85362010 | |
| Manufacturer | Lovato Electric | |
| Series | P1MBU Miniature Circuit Breakers | |
| Model | P1MBUH3PD20 | |
| Product type | Miniature circuit breaker (MCB) | |
| Number of poles | 3P | |
| Rated current | 20 A | |
| Tripping characteristic | D curve | |
| Rated operational voltage | 480Y/277 V AC | |
| Short-circuit breaking capacity | 10 kA | |
| Compliance | IEC / UL489 | |
| Rated frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Number of DIN modules | 3 | |
| Terminal tightening torque | 2 Nm | |
| Operating temperature | -40 °C to +70 °C |
Frequently Asked Questions
What is the Lovato P1MBUH3PD20 used for?
The Lovato P1MBUH3PD20 is used for protecting three-phase electrical circuits against overloads and short circuits in industrial and commercial applications.
What is the rated current of this miniature circuit breaker?
The P1MBUH3PD20 has a rated current of 20 A.
What does the D tripping characteristic mean?
The D curve provides protection suitable for circuits with higher inrush currents, including inductive loads such as motors and transformers.
What voltage rating does the Lovato P1MBUH3PD20 support?
The circuit breaker is rated for 480Y/277 V AC applications.
Where is this MCB installed?
The P1MBUH3PD20 is typically installed on a 35 mm DIN rail inside electrical panels and distribution enclosures.
Trusted by Industrial Electrical Professionals
Lovato P1MBU miniature circuit breakers provide reliable protection and easy integration for industrial automation systems, machinery and electrical distribution applications worldwide.
