Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
P1RC4P40B300 – RES.CURRENT DEV.4P 40A IDN 300MA TYPE B
Engineered by Lovato, the P1RC4P40B300 residual current operated circuit breaker delivers dependable protection in compact form.
Why Choose the P1RC4P40B300?
Engineered by Lovato, the P1RC4P40B300 residual current operated circuit breaker delivers dependable protection in compact form. This 4‑module, 4‑pole Type B unit is rated 40A with 300mA I∆n, aligning with IEC/EN/BS 61008‑1 and 62423. Designed for DIN rail panels, it supports robust performance in demanding electrical distribution and control environments.
With 400 V Ui and 4 kV impulse withstand, this device suits resilient installations. The IP20 frontal degree and pollution degree 2 support indoor panel use, while operation from -35 to +40 °C and storage to 80 °C add versatility. Rated to 2000 m altitude, 1.8–2 Nm terminal torque and 335 g weight aid secure, straightforward fitting.
Key Benefits
- Compact four-module width saves DIN rail space in crowded panels.
- Four-pole format enables comprehensive protection across connected conductors.
- Type B residual characteristic for reliable response to complex fault currents.
- Rated 40A to support medium-load distribution and control applications.
- 300mA I∆n sensitivity for effective earth leakage protection where required.
- IEC/EN/BS 61008-1 and 62423 conformity for assured compliance.
- 4 kV impulse withstand and IP20 front for added resilience.
What’s Included
- Lovato residual current operated circuit breaker, 4-module, 4P, Type B
- Product datasheet and technical documentation
- Original manufacturer packaging
Applications
- Industrial and commercial distribution panels
- Control cabinets and switchboards
- Multi-pole circuit protection in building services
- OEM equipment assemblies requiring RCCB protection
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 is the rated current and residual current of this device?
It is rated at 40 A with a 300 mA I∆n residual current.
Which standards does the P1RC4P40B300 conform to?
It conforms to IEC/EN/BS 61008-1 and IEC/EN/BS 62423.
What is the operating temperature range?
The operating temperature range is -35 to +40 °C.
What is the IP degree of protection on the front?
The frontal degree of protection is IP20.
What is the maximum installation altitude?
The device is rated for installation up to 2000 m altitude.
Safety note: Install and commission by a qualified electrician. Observe the stated ratings, environmental limits and tightening torques, and ensure the circuit is isolated before any work.
