DUB71 is a precise TRMS AC/DC over or under voltage (selectable by DIPswitch) monitoring relay.

Owing to the built-in latch function, the ON-position of the relay output can be maintained. Inhibit function can be used to avoid relay operation when not desired (maintenance, transitions).

The LED’s indicate the state of the alarm and the output relay. 35.5 mm wide housing suitable both for back and front panel mounting.

Features

• TRMS AC/DC over or under voltage monitoring relays

• Selection of measuring range by DIP-switches

• Measuring ranges from 0.1 to 500 V AC/DC

• Adjustable voltage on relative scale

• Adjustable hysteresis on relative scale

• Adjustable delay function (0.1 to 30 s)

• Programmable latching or inhibit at set level

• Output: 5 A SPDT relay N.D. or N.E. selectable

• For mounting on DIN-rail in accordance with DIN/EN 50 022

• 35.5 mm DIN-rail housing

• LED indication for relay, alarm and power supply ON