Lovato’s residual current operated circuit breaker P1RC4P25A030 delivers reliable earth leakage protection in compact form. This 4-module, 4-pole, Type A device is rated 25 A with 30 mA sensitivity for fast disconnection. It conforms to IEC/EN/BS 61008-1 and provides robust electrical ratings, including 400 V rated insulation (Ui) and 4 kV impulse withstand (Uimp), making it a dependable choice for modern distribution boards and control panels.
Engineered for tough environments, this RCD operates from -35 to +70 °C and up to 2000 m altitude, with IP20 frontal protection and pollution degree 2. Low power dissipation (0.5 W per pole) and a secure terminal torque of 1.8 to 2 Nm aid efficient, safe installation. At just 326 g and four DIN modules wide, it simplifies panel layouts without compromising protection.
Key Benefits
Type A residual protection for AC and pulsating DC earth faults.
4-pole, 25 A rating supports three-phase distribution boards.
Sensitive 30 mA trip enhances personnel and equipment protection.
Compact 4-module width saves valuable DIN rail space.
Robust 400 V Ui and 4 kV impulse withstand resilience.
Wide -35 to +70 °C operating temperature for harsh conditions.
IP20 frontal protection and pollution degree 2 suit panel interiors.
Secure 1.8 to 2 Nm terminal torque ensures reliable connections.
What’s Included
Lovato P1RC4P25A030 residual current circuit breaker (4P, Type A)
User/installation leaflet
Protective packaging
Applications
Three-phase distribution boards in commercial buildings
Industrial control panels and machinery circuits
Plant rooms, HVAC, and pump systems requiring earth leakage protection
Lighting and small power circuits on three-phase supplies
Technical Specifications
Rated insulation voltage Ui (IEC/EN)
400 V
Rated impulse withstand voltage Uimp
4 kV
Power dissipation per pole (max)
0.5 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 residual current type and sensitivity does this device have?
It is Type A with a rated residual current I∆n of 30 mA.
What are the poles and rated current?
It is a 4-pole device with a rated current of 25 A.
Which standards does it comply with?
It conforms to IEC/EN/BS 61008-1.
What are the voltage ratings?
Rated insulation voltage Ui is 400 V and impulse withstand Uimp is 4 kV.
What are the environmental operating limits?
Operating temperature is -35 to +70 °C and installation altitude up to 2000 m.
Safety note: Install and commission only by a qualified electrician. Isolate the supply before work, tighten terminals to 1.8 to 2 Nm, and operate within the stated ratings and environmental limits.
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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500 +
Stock lines ready to ship
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Same day dispatches
3500 +
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...