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6.23$
3.6$
Quantity:
1
Availability:
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Under and over voltage protector
1.General
The automatic recovery over voltage and under voltage protective device complies with modular design standards. the circuit boards of products adopt good quality electronic components with reliable performance. when the power situation is unstable. It's protection function will be automatically activated. once the voltage exceeds the limited range of products, it will automatically cut off so as to protect the safely of electrical equipment and persons. The device will re-supply in 1 minute, when the power returns to normal.
The green indicator display, when the power is normal supply.
The red indicator display, when the power over voltage or under voltage.
2.Specification
1. Rated AC voltage: 230V±10% 50/60Hz
2. Passing Max Current: 40A
3. Max. Loading power: 8.8kVA
4. Over-voltage action cut-off value: >270VAC±5V
5. Normal-voltage value: 175-270VAC
6. Under-voltage action cut-off value: <170VAC±5V
7. Over voltage and under voltage cut off:< 1s
8. Electricity transmitting delay after cut off: <60s
9. Self power consumption: <2W
10. Electric machinery life: 100000 times
11. Dimension: 67*36*82mm
12. Installing: 35mm Din rail
13.3 LED LAMP: Power、Under voltage indicator、Over voltage indicator
14. Wiring: Top input, bottom output
Noted: When you first connect the product, you have to wait about 1 minute, after the red light turn off, then the product will work.











Customer Reviews
413 ratings
works well (35)
fast delivery (25)
as described (24)
works as expected (10)
well-made (9)
reliable performance (8)
Customer photos (30)
Buyer from United States
September 29, 2026
todo bien funcionando
Buyer from United States
July 11, 2026
good quality thank you
Buyer from Ukraine
October 10, 2026
Всё ок.
Buyer from Zambia
October 7, 2026
Buyer from Ukraine
October 2, 2026
Всё ок.
Buyer from Ukraine
September 29, 2026
Всё ок.
TOMZN 40A 230V Din Rail 3 LED Automatic Reconnect Over Voltage and Under Voltage Protective Device Protector Protection Relay
6.23$
3.6$
Quantity:
1
Availability:







