Lovato’s P1RC4P63B030 residual current operated circuit breaker provides dependable fault protection in modern installations. This 4‑module, 4P device with type B residual characteristic is rated at 63A with 30mA sensitivity. Conforming to IEC/EN/BS 61008‑1 and 62423, and offering a rated insulation voltage of 400 V, it supports secure, compliant assemblies where reliable residual current protection is essential.
Designed for straightforward installation, the unit provides IP20 frontal protection and weighs 335 g. It operates from −35 to +40 °C, stores between −40 and 80 °C, and is specified for altitudes up to 2000 m. Terminal screws tighten to 1.8–2 Nm, and the device carries a Pollution Degree 2 classification.
Key Benefits
4 DIN modules width enables efficient use of panel space.
4P configuration provides reliable four‑pole isolation and residual protection.
Type B residual characteristic suits demanding protection requirements.
63A rated current with 30mA residual sensitivity.
Compliant with IEC/EN/BS 61008‑1 and IEC/EN/BS 62423.
400 V Ui and 4 kV Uimp for strong insulation performance.
Operates −35 to +40 °C with IP20 frontal protection.
Secure connections with 1.8–2 Nm terminal tightening torque.
What’s Included
Lovato residual current operated circuit breaker, P1RC4P63B030
Product datasheet
Basic installation and safety instructions
Applications
Industrial and commercial distribution boards
Multi‑pole protection within control panels
Refurbishment of panels requiring 63A, 30mA RCCB
New installations designed to IEC/EN/BS requirements
Technical Specifications
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
Frequently Asked Questions
What are the pole count and module width of the P1RC4P63B030?
It is a 4P device with a width of 4 DIN modules.
What are the rated current and residual current sensitivity?
The device is rated at 63A with a residual current sensitivity of 30mA.
Which standards does this RCCB conform to?
It conforms to IEC/EN/BS 61008‑1 and IEC/EN/BS 62423.
What is the operating temperature range and frontal IP rating?
The operating range is −35 to +40 °C, and the frontal rating is IP20.
What terminal tightening torque is specified?
Terminal screws should be tightened to 1.8–2 Nm.
Safety note: Install and commission only by a qualified electrician. Isolate the supply, verify absence of voltage, observe the specified torque and environmental limits, and follow applicable IEC/EN/BS standards.
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.
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Customers supported
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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...