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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 |
See Product Details
Type B RCD Auto Recloser TOSAR+RD4B
TOSAR+RD4B automatic reclosing is suitable for residential, commercial and industrial environments requiring high reliability protection. Especially on high-voltage transmission lines, it can significantly improve the parallel operation stability and power supply reliability of the power system.
In addition, it can save investment in the power grid design and construction process and reduce economic losses caused by power outages through automatic reclosing.
Main Features
Multifunctional integration: TOSAR+RD4B automatic reclosing integrates multiple protection functions such as overload, short circuit and residual current (leakage), providing comprehensive electrical safety protection.
Automatic reclosing technology: Using advanced automatic reclosing technology, it can automatically try to restore power supply after detecting instantaneous faults, reduce power outage time and improve power supply reliability.
Wide voltage adaptability: Supports AC 230V/400V line voltage range and AC 220V/380V phase voltage range, suitable for a variety of voltage environments.
High current carrying capacity: Provides rated current options from 16A to 63A to meet different load requirements.
High voltage resistance performance: The rated residual operating current is 30mA, 100mA, and 300mA, providing Type B residual current characteristics to protect personal and equipment safety.
Long life design: The electro-mechanical durability exceeds 15,000 cycles, ensuring the long-term stable operation of the product.
| Item Model Number | TOSAR+RD4B |
| Switch Style | Auto Recloser Type B RCD |
| Switch Type | 2 Poles/4 Poles |
| Manufacturer | Tongou |
| Rated Current (In) | 16A, 25A, 32A, 40A, 63A |
| Line Voltage Range | AC 230V/400V |
| Phase Voltage Range | AC 220V/380V |
| Residual Current characteristic | B Type |
| Rated Frequency | 50Hz/60Hz |
| Control Type | Auto Recloser |
| Breaking capacity | 10kA |
| Electro-mechanical endurance | More than 15000 cycles |
| Certificate | KC CCC CE |
| Rated residual operating current | 30mA 100mA 300mA |
| Model | Electromagnetic Type |
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