P1RB1NC32AC300 – RCBO 1P+N CURVE C 32A IDN 300MA TYPE AC
Lovato P1RB1NC32AC300 residual current circuit breaker with overcurrent protection, featuring a 1P+N configuration, 32 A rated current, C tripping characteristic, Type AC 300 mA residual current protection and 10 kA short-circuit rating.
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Why Choose the Lovato P1RB1NC32AC300 RCBO?
The Lovato P1RB1NC32AC300 is a compact and reliable residual current circuit breaker with overcurrent protection (RCBO) designed to protect electrical circuits against overloads, short circuits and earth leakage faults. Part of the Lovato Electric P1RB series, it combines overcurrent and residual current protection within a single modular device.
By integrating the functions of a miniature circuit breaker and residual current device, the P1RB1NC32AC300 helps simplify distribution board layouts, reduce installation time and conserve valuable DIN rail space. Its 1P+N configuration provides protection for the phase conductor while allowing the neutral conductor to be switched simultaneously.
With a rated current of 32 A, a C tripping characteristic, Type AC residual current detection and a rated residual operating current of 300 mA, this RCBO is suitable for equipment, circuit and fire-risk protection applications. Its 10 kA short-circuit breaking capacity provides dependable fault interruption in commercial and industrial electrical installations.
Key Advantages
Combined protection against overloads, short circuits and earth leakage faults.
32 A rated current for single-phase electrical circuits.
C tripping characteristic suitable for loads with moderate starting currents.
Type AC residual current protection for sinusoidal alternating leakage currents.
300 mA residual operating current for equipment and fire-risk protection applications.
10 kA short-circuit rating for dependable fault interruption.
Compact two-module DIN rail design for efficient panel installation.
Key Features
Lovato Electric P1RB series.
Residual current circuit breaker with overcurrent protection.
1P+N pole configuration.
32 A rated current.
C curve overcurrent characteristic.
Type AC residual current characteristic.
300 mA rated residual current.
10 kA short-circuit rating.
230 V AC rated operational voltage.
Conforms to IEC/EN 61009-1.
Reliable Combined Circuit Protection
The Lovato P1RB1NC32AC300 combines thermal-magnetic overcurrent protection with residual current monitoring. It disconnects the protected circuit when an overload, short circuit or qualifying AC earth leakage fault is detected, helping protect wiring, connected equipment and the wider electrical installation.
Its 300 mA residual current sensitivity is generally selected for equipment protection, insulation fault monitoring and reducing risks associated with earth leakage and electrical fires. It is not normally used as a substitute for a 30 mA device where additional personal protection is required.
Typical Applications
Commercial electrical distribution boards.
Industrial power distribution systems.
Machinery and automation control panels.
Equipment feeder circuits.
Lighting and general power circuits.
Building services electrical installations.
Circuits requiring combined overcurrent and Type AC earth leakage protection.
Technical Specifications
Current
32 A
Phase
Single Phase
Manufacturer
Lovato Electric
Series
P1RB
Model
P1RB1NC32AC300
Product type
Residual current circuit breaker with overcurrent protection
Product abbreviation
RCBO
Pole configuration
1P+N
Number of DIN modules
2
Rated current
32 A
Tripping characteristic
C curve
Residual current characteristic
Type AC
Rated residual current
300 mA
Rated operational voltage
230 V AC
Rated insulation voltage
400 V
Rated impulse withstand voltage
4 kV
Rated frequency
50 / 60 Hz
Short-circuit rating
10 kA
Maximum power dissipation per pole
3.84 W
Operating temperature
-35°C to +70°C
Storage temperature
-40°C to +80°C
Maximum operating altitude
2,000 m
Mounting position
Vertical plane
Mounting type
35 mm DIN rail
Terminal tightening torque
1.8 to 2 Nm
Conductor capacity
1 to 25 mm²
Protection rating
IP20
Pollution degree
2
Weight
205 g
Applicable standard
IEC/EN 61009-1
Certifications
TÜV Rheinland and EAC
Frequently Asked Questions
What is the Lovato P1RB1NC32AC300 used for?
It provides combined protection against overloads, short circuits and Type AC earth leakage faults in single-phase electrical distribution and control systems.
What is the rated current of this RCBO?
The P1RB1NC32AC300 has a rated current of 32 A and uses a C tripping characteristic.
What residual current sensitivity does it provide?
This RCBO has a rated residual current of 300 mA, making it suitable for equipment, circuit and fire-risk protection applications.
What does Type AC residual current protection mean?
Type AC protection detects sinusoidal alternating residual currents and is intended for circuits containing compatible conventional AC electrical loads.
What is the short-circuit rating of the P1RB1NC32AC300?
The device has a rated short-circuit capacity of 10 kA.
How is the P1RB1NC32AC300 installed?
The RCBO mounts onto a standard 35 mm DIN rail, occupies two DIN modules and supports conductors from 1 to 25 mm².
Trusted by Electrical Professionals
Lovato Electric circuit protection products are used by electrical engineers, panel builders and installation professionals seeking dependable performance, straightforward installation and effective protection for commercial and industrial electrical systems.
Current
32 A
Phase
Single Phase
Manufacturer
Lovato Electric
Series
P1RB
Model
P1RB1NC32AC300
Product type
Residual current circuit breaker with overcurrent protection
Product abbreviation
RCBO
Pole configuration
1P+N
Number of DIN modules
2
Rated current
32 A
Tripping characteristic
C curve
Residual current characteristic
Type AC
Rated residual current
300 mA
Rated operational voltage
230 V AC
Rated insulation voltage
400 V
Rated impulse withstand voltage
4 kV
Rated frequency
50 / 60 Hz
Short-circuit rating
10 kA
Maximum power dissipation per pole
3.84 W
Operating temperature
-35°C to +70°C
Storage temperature
-40°C to +80°C
Maximum operating altitude
2,000 m
Mounting position
Vertical plane
Mounting type
35 mm DIN rail
Terminal tightening torque
1.8 to 2 Nm
Conductor capacity
1 to 25 mm²
Protection rating
IP20
Pollution degree
2
Weight
205 g
Applicable standard
IEC/EN 61009-1
Certifications
TÜV Rheinland and EAC
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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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...