An under-voltage / over-voltage tripper is useful for protection against voltage dips and swells. Once supply recovers to normal, only then can the breaker be turned ON. This accessory provides a cost-effective and easy way to implement this solution.

1. Protection of the load in the event of a voltage drop (between 70% and 35% of its rated value)
2. Positive safety (device's tripping when the voltage is disconnected) emergency stop by means of a button.
3. To be mounted on the left side of the MCBs/RCBOs thanks to the special pin.

Technical parameters

Technical Data

Electrical Features
Rated Value	AC 230V 50/60Hz
	70-35%Ue, reliable operation
	＜35%Ue, prevent breaker from making
	85-110%Ue, reliable operation
Rated impulse withstands voltage (1.2/50)Uimp	4000V
Dielectric test voltage at ind. Freq. for 1min	2KV
Insulation Voltage Ui	500V
Pollution Degree	2
Mechanical Features
Electrical life	4000 Cycles
Mechanical life	4000 Cycles
Protection degree	IP20
Ambient temperature (with daily average≤35℃)	-5℃~+40℃
Storage temperature	-25℃~+70℃
Installation
Terminal connection type	Cable
Terminal size top/bottom for cable	2.5mm² 18-14AWG
Tightening torque	0.8N.m 7In-Ibs.

Dimensions

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Document currently available in English only.

Porduct Overview

Description

Technical parameters

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Under Voltage Release

1.1 Protection of the load in the event of a voltage drop (between 70% and 35% of its rated value) 1.2 Positive safety (device's tripping when the voltage is disconnected) emergency stop by means of a button. 1.3 To be mounted on the left side of the MCBs/RCBOs thanks to the special pin.