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The WRT320C-030 is a 3-pole Type A RCBO combining residual current protection and overcurrent protection in a compact 3-module device. Rated at 20A with a C curve and 30mA sensitivity, it provides reliable protection against overload, short-circuit, and earth leakage faults across all three phases.
This RCBO is designed for three-phase commercial, industrial, and advanced residential installations where modern electronic loads are present. Type A protection allows it to safely detect AC residual currents and pulsating DC components, making it suitable for equipment such as HVAC systems, control gear, inverter-driven loads, and commercial distribution boards.
Installer note: The switched neutral design disconnects L1, L2, L3, and N together, improving isolation safety and simplifying insulation resistance testing during commissioning.
- 3-pole Type A RCBO with integrated overcurrent protection
- 20A rated current with C curve characteristic
- 30mA residual current sensitivity for additional protection
- 10kA short-circuit breaking capacity
- Switched neutral for full disconnection of live conductors
- Compact 3-module DIN rail format
- Clear IN / OUT / LOAD terminal markings
| Part Code | Rating | Curve | Residual Current |
|---|---|---|---|
| WRT320C-030 | 20A | C Curve | 30mA |
| WRT332B-030 | 32A | B Curve | 30mA |
| WRT332C-030 | 32A | C Curve | 30mA |
| WRT340B-030 | 40A | B Curve | 30mA |
| WRT340C-030 | 40A | C Curve | 30mA |
| WRT350C-030 | 50A | C Curve | 30mA |
The WRT320C-030 is well suited to three-phase circuits where Type A residual current protection and reliable disconnection are required in a single compact device.
