DOLD SL 9077

Function	Over-/undervoltage relay, optionally with unbalance and phase-sequence detection
1- / 3-phase	3
Standard measuring range	AC 400 V
Measuring range max.	480 V
Output contacts	2 w, 4 w
Operate delay	+
Enclosure design	Schaltschrank
Width	35 mm
Type	SL 9077

According to IEC/EN 60 255, DIN VDE 0435-303 Identification of overvoltage, undervoltage and phase failure With asymmetry identification as an option Mains fault diagnostics with a number of LEDs Setting values for overvoltage and undervoltage can be setseparately Large Setting Ranges 0.9 ... 1.3 UN and 0.7 ... 1.1 UN Time delay variable between 0.1 ... 20 s Closed circuit operation No auxiliary voltage Independant of phase sequence As option with phase sequence detection Single-phase connection possible Optionally for 3P3W Systems 2 changeover contacts, at IP/SP 9077 2 x 2 changeover contacts Devices available in 2 enclosure versions:I-model: depth 59 mm, with terminals at the bottom forinstallation systems and industrial distributionsystems according to DIN 43 880S-model: depth 98 mm, with terminals at the top for cabinetswith mounting plate and cable duct IL 9077, SL 9077: width 35 mm