The Siemens Digital monitoring relay, speed monitoring from 0.1 to 2200 rpm overshoot and undershoot, 24 to 240 V AC/DC supply voltage at 50 to 60 Hz DC and AC without galvanic isolation to measuring circuit ON-delay time 1 to 900 seconds, tripping delay time 0.1 to 99.9 seconds, Hysteresis 0.1 to 99 rpm and 1 change-over contact with or without fault buffer and spring-type connection system also has any mounting position, IP20 protection class.

Degree of pollution 3
Design of the display LCD
Height 86 mm
Width 22.5 mm
Depth 103 mm