Lovato P2MB3PD125 three-pole 125A miniature circuit breaker with D curve tripping characteristic, 10kA breaking capacity and DIN rail mounting for industrial circuit protection.
£283.69
The Lovato P2MB3PD125 is a heavy-duty three-pole miniature circuit breaker (MCB) engineered to provide reliable overload and short-circuit protection for demanding industrial and commercial electrical installations. As part of the proven Lovato P2MB series, it delivers dependable circuit protection, robust performance and simple installation for modern power distribution systems.
Featuring a D characteristic tripping curve, the P2MB3PD125 is designed for applications with high inrush currents, making it particularly suitable for motors, transformers, compressors and other inductive loads. Its compact DIN rail mounting design enables straightforward installation into switchboards and control panels while ensuring long-term operational reliability.
With a 125A rated current, 230/400V AC operating voltage and a 10kA short-circuit breaking capacity, the Lovato P2MB3PD125 provides dependable protection for high-current circuits used in industrial automation, machinery and power distribution.
Miniature circuit breakers automatically disconnect electrical circuits during overload or short-circuit conditions, helping to protect equipment, wiring and personnel while reducing costly downtime.
The Lovato P2MB range is designed for industrial environments where dependable circuit protection and long-term reliability are essential. Its D curve characteristic makes it especially suitable for circuits supplying motors and other equipment with high starting currents.
| Current | 125 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | Lovato Electric |
| Series | P2MB |
| Model | P2MB3PD125 |
| Product type | Miniature Circuit Breaker (MCB) |
| Number of poles | 3 |
| Rated current | 125A |
| Trip characteristic | D Curve |
| Rated operational voltage | 230/400V AC |
| Rated insulation voltage (Ui) | 400V |
| Rated impulse withstand voltage (Uimp) | 4kV |
| Rated frequency | 50/60Hz |
| Short-circuit breaking capacity | 10kA |
| Electrical endurance | 10,000 operations |
| Mechanical endurance | 10,000 operations |
| Protection rating | IP20 |
| Mounting type | 35mm DIN rail |
| DIN module width | 4.5 modules |
| Operating temperature | -40°C to +70°C |
| Weight | Approximately 510g |
| HS Code | 85362090 |
It protects three-phase electrical circuits against overloads and short circuits in industrial and commercial installations.
A D curve breaker is intended for circuits with high inrush currents, making it suitable for motors, transformers and similar inductive equipment.
This miniature circuit breaker has a 125A rated current.
The unit mounts directly onto a standard 35mm DIN rail within electrical distribution boards and control panels.
The breaker is manufactured in accordance with IEC/EN 60947-2 and UL1077 standards.
Lovato miniature circuit breakers are trusted by panel builders, machine manufacturers and electrical engineers worldwide for delivering dependable protection, excellent reliability and long service life in demanding industrial environments.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...