Engineered by Lovato, the P1RC4P40B300 residual current operated circuit breaker delivers dependable protection in compact form.
£1,055.03
Engineered by Lovato, the P1RC4P40B300 residual current operated circuit breaker delivers dependable protection in compact form. This 4‑module, 4‑pole Type B unit is rated 40A with 300mA I∆n, aligning with IEC/EN/BS 61008‑1 and 62423. Designed for DIN rail panels, it supports robust performance in demanding electrical distribution and control environments.
With 400 V Ui and 4 kV impulse withstand, this device suits resilient installations. The IP20 frontal degree and pollution degree 2 support indoor panel use, while operation from -35 to +40 °C and storage to 80 °C add versatility. Rated to 2000 m altitude, 1.8–2 Nm terminal torque and 335 g weight aid secure, straightforward fitting.
| Rated insulation voltage Ui (IEC/EN) | 400 V |
|---|---|
| Rated impulse withstand voltage Uimp | 4 kV |
| Operating temperature | -35 to +40 °C |
| Storage temperature | -40 to 80 °C |
| Max altitude | 2000 m |
| Terminal tightening torque | 1.8 to 2 Nm |
| Weight | 335 g |
| IP degree (frontal) | IP20 |
| Pollution degree | 2 |
Safety note: Install and commission by a qualified electrician. Observe the stated ratings, environmental limits and tightening torques, and ensure the circuit is isolated before any work.
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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...