Deliver dependable residual current protection with the Lovato residual current operated circuit breaker P1RC4P63A300. This 4‑module, 4‑pole Type A unit is rated at 63A with a 300mA residual operating current, and conforms to IEC/EN/BS 61008‑1. With a rated insulation voltage Ui of 400 V and an impulse withstand Uimp of 4 kV, it fits neatly on DIN rail assemblies.
Built for demanding panels, it operates from −35 to +70 °C and provides frontal IP20 protection with pollution degree 2. Practical details include power dissipation per pole up to 3.15 W, terminal tightening torque of 1.8 to 2 Nm, and a compact 326 g build. Designed for use up to 2000 m altitude and straightforward integration across four DIN modules.
Key Benefits
4‑pole, 4‑module design optimises space on DIN rail assemblies.
Rated current 63A for robust circuit protection capacity.
Residual operating current 300mA for system-level protection requirements.
Type A residual characteristic for broad application compatibility.
Insulation and surge withstand: Ui 400 V, Uimp 4 kV.
Operates −35 to +70 °C for varied environmental conditions.
Frontal IP20 protection and pollution degree 2 for panels.
It is a 4‑pole, 4‑module Type A device rated 63A with 300mA residual current.
Does the P1RC4P63A300 comply with recognised standards?
Yes, it conforms to IEC/EN/BS 61008‑1.
What are the insulation and impulse withstand values?
It has a rated insulation voltage Ui of 400 V and an impulse withstand Uimp of 4 kV.
What environmental limits does it support?
It operates from −35 to +70 °C up to 2000 m altitude, with frontal IP20 protection.
What terminal tightening torque should be applied?
Tighten terminals to 1.8 to 2 Nm as specified.
Safety note: Installation and maintenance must be performed by qualified personnel with the supply isolated. Verify ratings, standards and environmental limits match the application before energising.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...