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Modular DIN Rail Products
- Miniature Circuit Breaker (MCB)
- 18mm Width DPN MCB
- Isolator Switch
- Residual Current Circuit Breaker (RCCB)
- Residual Current Circuit Breaker with Overcurrent Protection (RCBO)
- Fuse
- Arc Fault Detection Device (AFDD)
- Surge Protection Device (SPD)
- Reclosing Device
- MCB Accessories
- Safety Breaker
- Earth Leakage Safety Breaker
- Safety Breaker with Outer Cover
- Earth Leakage Satety Breaker with Outer Cover
- Plug in Type Miniature Circuit Breaker (MCB)
- Plug in Type Residual Current Circuit Breaker with Overcurrent Protection (RCBO)
- Modular Contactor
- Relay
- Transfer Switch
- Smart Molded Case Circuit Breakers
- PV Systems
- Distribution Box
Vlotage Monitoring Relay TDRE2
Technical Data
| Function | Voltage monitoring (three-phase) |
| Rated voltage (Ue) | 220-460V(P-P)/127-265 (P-N) |
| Protection type | phase failure/phase sequence/delay/asymmetry/over voltage/under voltage |
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Modular DIN Rail Products
Smart Molded Case Circuit Breakers
PV Systems
Distribution Box


A relay is an automatic switching component that operates on the electromagnetic principle. Its core function is to use a low-current, low-voltage signal to control the switching of one or more circuits with higher current and voltage. It acts as an "electrically controlled switch" based on electromagnetic principles and is one of the most fundamental and critical components in the fields of automation control, electrical isolation, and signal conversion.