Ensure dependable earth leakage protection with the Lovato Type A residual current operated circuit breaker, SKU P1RC4P40A030. This 4-module, 4P device is rated at 40 A with a 30 mA residual current, delivering sensitive fault detection while complying with IEC/EN/BS 61008-1. Designed for DIN-rail installations, it offers a compact footprint for modern distribution boards and control panels.
Built for demanding environments, it provides 400 V rated insulation (IEC/EN) and 4 kV impulse withstand for surge resilience. The IP20 frontal degree, -35 to +70 °C operating range and 2000 m max altitude support reliable service across varied sites. Secure connections are ensured with 1.8–2 Nm terminal torque. Pollution degree 2 and 326 g weight suit compact panels.
Key Benefits
Type A residual characteristic for dependable earth leakage protection
4-pole, 4-module design for compact DIN-rail installations
40 A rated current with 30 mA residual sensitivity
400 V rated insulation and 4 kV impulse withstand
Wide operating temperature range from -35 to +70 °C
IP20 frontal protection for added user safety
Conforms to IEC/EN/BS 61008-1 for assured compliance
What’s Included
Lovato residual current operated circuit breaker, SKU P1RC4P40A030
Manufacturer datasheet (downloadable)
Basic installation and safety information
Original packaging
Applications
Three-phase distribution and sub-distribution circuits requiring RCD protection
Industrial and commercial control panels on DIN-rail
General switchboards compliant with IEC/EN/BS 61008-1
Equipment protection where 30 mA sensitivity is specified
Technical Specifications
Rated insulation voltage Ui (IEC/EN)
400 V
Rated impulse withstand voltage Uimp
4 kV
Power dissipation per pole (max)
1.2 W
Operating temperature
-35 to +70 °C
Storage temperature
-40 to 80 °C
Max altitude
2000 m
Terminal tightening torque
1.8 to 2 Nm
Weight
326 g
IP degree (frontal)
IP20
Pollution degree
2
Frequently Asked Questions
What is the rated current and residual current of this breaker?
It is rated at 40 A with a 30 mA residual current sensitivity.
What type and pole configuration is the P1RC4P40A030?
It is a Type A, 4-pole residual current operated circuit breaker with 4 DIN modules.
What standards does it conform to?
It conforms to IEC/EN/BS 61008-1.
What are the insulation and impulse withstand ratings?
The breaker has a 400 V rated insulation (IEC/EN) and 4 kV impulse withstand.
What environmental limits should I consider?
It operates from -35 to +70 °C up to 2000 m altitude with IP20 frontal protection.
Safety note: Install and commission only by a qualified electrician. Isolate power before work, tighten terminals to 1.8–2 Nm, and operate strictly within the stated ratings and standards.
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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...