The Lovato P1RC2P40A300 residual current operated circuit breaker delivers dependable earth leakage protection in a compact 2-module format. With 2P Type A performance, 40 A rated current and 300 mA residual current sensitivity, it suits a wide range of protection schemes. Certified to IEC/EN/BS 61008-1, it integrates into compliant installations while maintaining space efficiency and straightforward specification.
Engineered for reliability, it offers Ui 400 V and 4 kV impulse withstand, with frontal IP20 protection and pollution degree 2. Operates from -35 to +70 °C and up to 2000 m altitude. Practical details include 1.8 to 2 Nm terminal tightening torque, max 1.6 W power dissipation per pole, and a 185 g build to support efficient assembly and thermal planning.
Key Benefits
2P Type A protection with 300 mA sensitivity for earth fault protection.
40 A rated current supports robust protection across suitable circuits.
Compact 2 DIN-module width saves space in control and distribution assemblies.
IEC/EN/BS 61008-1 compliance for assured compatibility and conformity.
Electrical ratings include Ui 400 V and 4 kV impulse withstand.
Operates from -35 to +70 °C for varied ambient conditions.
IP20 frontal protection and pollution degree 2 for defined environments.
Clear terminal torque spec, 1.8 to 2 Nm, for secure terminations.
What’s Included
Lovato residual current operated circuit breaker (SKU: P1RC2P40A300)
Manufacturer documentation/datasheet
Protective packaging for transit
Applications
Earth leakage protection for two-pole circuits requiring Type A characteristic.
Panels specifying 2 DIN-module residual current operated circuit breakers.
Installations designed to IEC/EN/BS 61008-1 requirements.
Environments within -35 to +70 °C and IP20 frontal conditions.
Technical Specifications
Rated insulation voltage Ui (IEC/EN)
400 V
Rated impulse withstand voltage Uimp
4 kV
Power dissipation per pole (max)
1.6 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
185 g
IP degree (frontal)
IP20
Pollution degree
2
Frequently Asked Questions
What are the poles and type of this device?
It is a 2P residual current operated circuit breaker with Type A characteristic.
What are its rated current and residual current?
Rated current is 40 A and rated residual current is 300 mA.
Does it meet recognised standards?
Yes, it conforms to IEC/EN/BS 61008-1.
What environmental limits should I observe?
Operating temperature is -35 to +70 °C, with frontal IP20 and pollution degree 2.
What are the key electrical ratings?
Rated insulation voltage Ui is 400 V and impulse withstand voltage Uimp is 4 kV.
Safety note: Installation and commissioning must be performed by qualified personnel. Isolate the supply before work, tighten terminals to 1.8 to 2 Nm, and operate strictly within the specified ratings and 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.
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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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...