P1RA4P40A300 – RES.CURRENT DEV.4P 40A IDN 300MA ADD ON BLOCK
Engineered for reliable residual current protection, the Lovato P1RA4P40A300 residual block brings precise performance to control panels and distribution boards.
SKU:P1RA4P40A300
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Engineered for reliable residual current protection, the Lovato P1RA4P40A300 residual block brings precise performance to control panels and distribution boards. This 4-pole, Type A device is rated at 40 A with an IΔn of 300 mA across a compact 3.5 DIN‑module footprint. Built to IEC requirements and conforming to IEC/EN 61009-1, it provides a rated insulation voltage of 400 V and 4 kV impulse withstand.
Designed for practical installation and long service life, the unit features IP20 frontal protection and a mechanical life of 20,000 cycles. It operates from -25 to +60 °C, stores from -40 to +80 °C, and is suitable up to 2000 m altitude. Terminal tightening torque is 1.8 to 2 Nm, aiding secure connections in commercial and industrial assemblies while maintaining dependable performance.
Key Benefits
4-pole Type A design for comprehensive circuit coverage.
Rated current 40 A with 300 mA IΔn residual sensitivity.
Conforms to IEC/EN 61009-1 for assured compliance.
Provides Ui 400 V and 4 kV impulse withstand capability.
IP20 frontal protection for safer panel integration.
Operates from -25 to +60 °C for varied environments.
Mechanical life rated at 20,000 cycles for durability.
Compact 3.5 DIN modules to optimise board space.
What’s Included
Lovato P1RA4P40A300 residual block
Installation and safety information leaflet
Manufacturer datasheet (downloadable)
Applications
Electrical distribution panels and switchboards
Industrial control assemblies
Commercial installations requiring residual current protection
Four-pole circuits aligned with IEC/EN 61009-1 parameters
Technical Specifications
HS Code
85362010
Rated insulation voltage Ui (IEC/EN)
400 V
Rated impulse withstand voltage Uimp
4 kV
Operating temperature
-25 to +60 °C
Storage temperature
-40 to +80 °C
Max altitude
2000 m
Terminal tightening torque
1.8 to 2 Nm
Mechanical life
20000 cycles
Weight
230 g
IP degree (frontal)
IP20
Pollution degree
2
Frequently Asked Questions
What configuration does this residual block offer?
It is a 4-pole residual block with a Type A characteristic.
What are the primary electrical ratings?
Rated current is 40 A and rated residual current IΔn is 300 mA. It also offers Ui 400 V and Uimp 4 kV.
What are the operating and environmental limits?
It operates from -25 to +60 °C with IP20 frontal protection and is suitable up to 2000 m altitude.
Which standards does it meet?
It is compliant with IEC and conforms to IEC/EN 61009-1.
What terminal tightening torque should be applied?
Tighten the terminals to 1.8 to 2 Nm.
Safety note: Always isolate the supply before work. Installation must be performed by qualified personnel, following IEC/EN 61009-1 guidance and observing the specified torque 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.
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...