Main Features
[Type B residual current protection] Standard Compliance IEC/EN 61008-1, IEC/EN 62423. Detects AC, pulsating DC, and smooth DC leakage currents for advanced electrical safety.
[CB & CE certified] Tested and certified for professional electrical installations and international market requirements. A full test report is available.
[Ideal for modern power systems] Suitable for EV chargers, solar PV inverters, frequency converters, UPS systems, and industrial equipment.
[10kA rated capacity] Designed for reliable performance in low-voltage distribution systems with higher protection requirements.
[30mA–300mA options] Available for different protection levels, from personal safety protection to equipment and system leakage protection.
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| Product Type | Standard Type B RCD | Type B RCD + Auto Recloser | Type B RCD + Wi-Fi Auto Recloser |
| Model Name | TORD4B | TOSAR+RD4B | TOSAR1+RD4B |
| Type B Protection | ✓ | ✓ | ✓ |
| Poles | 2P/4P | 2P/4P | 2P/4P |
| Residual Current | 30/100/300mA | 30/100/300mA | 30/100/300mA |
| Auto Reclosing | / | ✓ | ✓ |
| Remote Control | / | / | ✓ |
| App Control | / | / | Tuya/Smart Life |
| Best For | Standard Electrical Protection | Unattended / Automatic Recovery | Remote Management & Automatic Recovery |
Type B RCD TORD4B
This Type B Residual Current Circuit Breaker (RCCB) is engineered to provide superior protection against AC residual currents and pulsating DC residual currents. Ideal for a wide range of applications, this device ensures safety by rapidly disconnecting the circuit in the event of an earth fault, mitigating the risks of electric shock and fire.
Key Features:
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Enhanced Safety: Offers robust protection against both AC and pulsating DC earth fault currents.
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Versatile Applications: Suitable for use in residential, commercial, and industrial settings.
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Clear Status Indication: Equipped with a visual indicator to show the operational state of the device.
| Item Model Number | TORD4B |
| Manufacturer | Chayo |
| Model Type | Type B Residual Current Device |
| Type | Type B |
| Standard Compliance | IEC/EN 61008-1, IEC/EN 62423 |
| Current Rating | 16A, 25A, 32A, 40A, 63A |
| Operating Voltage | 2P-230V/4P-400V |
| Mounting Type | DIN Rail |
| Specification Met | CB/CE |
| Batteries Included? | NO |
| Batteries Required? | NO |
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