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P1MBUH1PD01 Lovato MCB 1P D1 277V 10kA UL489
Lovato P1MBUH1PD01 is a single-pole 1 A Curve D UL489 miniature circuit breaker rated at 277 V AC under UL with a 10 kA short-circuit rating for industrial branch circuit protection.
£34.93
Why Choose the Lovato P1MBUH1PD01 Miniature Circuit Breaker?
The Lovato P1MBUH1PD01 is a compact and reliable single-pole miniature circuit breaker (MCB) designed to provide thermal-magnetic overcurrent and short-circuit protection in industrial control and electrical distribution applications. As part of the Lovato P1 MB miniature circuit breaker series, it combines a low 1 A current rating with Curve D tripping characteristics and UL489 compliance for branch circuit protection applications.
The P1MBUH1PD01 features a Curve D tripping characteristic, making it particularly suitable for circuits and equipment that can experience higher transient inrush currents. Its single-pole configuration occupies only one DIN module, providing space-efficient protection for industrial control panels, machinery and OEM electrical systems.
With a rated current of 1 A, a UL rated operational voltage of 277 V AC and a short-circuit rating of 10 kA under both IEC and UL specifications, the P1MBUH1PD01 provides dependable circuit protection in demanding installations. The breaker mounts directly onto a standard 35 mm DIN rail for straightforward panel integration.
Key Advantages
- Compact single-pole miniature circuit breaker for industrial circuit protection.
- 1 A rated current for low-current electrical and control circuits.
- Curve D tripping characteristic suitable for circuits with higher transient inrush currents.
- 277 V AC UL rated operational voltage.
- 10 kA short-circuit rating under both IEC and UL specifications.
- UL489 compliant for branch circuit protection applications.
Key Features
- Lovato P1 MB miniature circuit breaker series.
- 1-pole configuration occupying 1 DIN module.
- 1 A rated current.
- Curve D tripping characteristic.
- 277 V AC operational voltage under UL.
- 10 kA IEC and UL short-circuit rating.
- 440 V rated insulation voltage Ui.
- 4 kV rated impulse withstand voltage Uimp.
- 10,000-cycle electrical life and 20,000-cycle mechanical life.
- Front protection rating of IP20.
Reliable UL489 Branch Circuit Protection
Miniature circuit breakers such as the Lovato P1MBUH1PD01 automatically interrupt a circuit when excessive current results from an overload or short circuit. Its thermal-magnetic operating mechanism combines thermal overload protection with rapid magnetic operation during high fault-current conditions, helping protect conductors and connected electrical equipment.
The P1MBUH1PD01 combines UL489 compliance with a Curve D characteristic, making it suitable for branch circuits where higher starting or transient currents can occur. Its 1 A rating, 277 V AC UL operational voltage, 10 kA short-circuit rating and single-module DIN rail format make it a practical protection device for industrial machinery and control systems.
Typical Applications
- Industrial electrical control panels.
- UL489 branch circuit protection.
- Low-current control and auxiliary circuits.
- Industrial machinery and automation equipment.
- Circuits with higher transient inrush currents.
- OEM electrical control and distribution systems.
Technical Specifications
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| Certification | UL 489 | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Manufacturer | Lovato Electric | |
| Series | P1 MB | |
| Model | P1MBUH1PD01 | |
| Product type | Miniature circuit breaker (MCB) | |
| Number of poles | 1P | |
| Number of DIN modules | 1 | |
| Rated current In | 1 A | |
| Tripping curve | D | |
| Rated operational voltage AC (UL) | 277 V AC | |
| Rated operational voltage AC (IEC) | 230/400 V AC | |
| Rated operational voltage DC | 60 V DC | |
| Rated frequency | 50/60 Hz | |
| Rated insulation voltage Ui | 440 V | |
| Rated impulse withstand voltage Uimp | 4 kV | |
| Short-circuit rating (IEC) | 10 kA | |
| Short-circuit rating (UL) | 10 kA | |
| Maximum power dissipation per pole | 1.07 W | |
| Electrical life | 10,000 cycles | |
| Mechanical life | 20,000 cycles | |
| Operating temperature | -40 to +70 °C | |
| Storage temperature | -40 to +80 °C | |
| Maximum altitude | 2000 m | |
| Conductor section | 1–35 mm² | |
| Conductor size | 14–6 AWG | |
| Terminal tightening torque | 1.8–2 Nm | |
| Terminal tool | PZ2 | |
| Protection rating | IP20 from front | |
| Pollution degree | 2 | |
| Mounting type | 35 mm DIN rail | |
| Normal operating position | Vertical plane | |
| Weight | 133 g | |
| EAN | 8013975220474 | |
| HS code | 85362010 | |
| ETIM classification | EC000042 | |
| Compliance | IEC / UL489 |
Frequently Asked Questions
What is the Lovato P1MBUH1PD01 used for?
The P1MBUH1PD01 is a single-pole miniature circuit breaker designed to provide thermal-magnetic overcurrent and short-circuit protection for industrial electrical circuits, including UL489 branch circuit applications.
What is the current rating of the P1MBUH1PD01?
The Lovato P1MBUH1PD01 has a rated current of 1 A.
What voltage is the Lovato P1MBUH1PD01 rated for?
The P1MBUH1PD01 has a UL rated operational voltage of 277 V AC, an IEC AC operational voltage rating of 230/400 V AC and a DC operational voltage rating of 60 V DC.
What is the breaking capacity of the Lovato P1MBUH1PD01?
The P1MBUH1PD01 has a short-circuit rating of 10 kA under both IEC and UL specifications.
What does the Curve D characteristic of the P1MBUH1PD01 mean?
The Curve D tripping characteristic is intended for circuits that can experience relatively high transient inrush currents, helping reduce unwanted magnetic tripping while maintaining overload and short-circuit protection.
Reliable Protection for Industrial Electrical Systems
Lovato P1 MB miniature circuit breakers provide compact thermal-magnetic protection for industrial electrical systems, combining dependable overload and short-circuit protection with straightforward DIN rail installation and recognised IEC and UL compliance.
