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Suppressor module,
pluggable,
for 788 and 858 Series Relay Sockets 1

Note: To guarantee safe operation, residual voltages (due
to the cable capacitance of long connection lines or
leakage currents of semi-conductor switches and their
protective circuits) must be lower than the release voltage
of the relays.
For DC relays, the release voltage is specified with ≤ 5 % of
the nominal voltage; for AC relays, it is 15 % of the nominal
voltage (acc. to VDE 0435).
The relay may not reset if a high residual voltage exists.
Depending on the reason for the residual voltage,
changing the cable routing or a parallel connection of an
RC element could remedy this situation.

Description Item No. Pack.
Unit
Suppressor module for miniature switching relay 788-148 50

Technical Data

Operating data:
Operating voltage max. 230 VAC, 50 ... 60 Hz
Operating current 3.6 mA at 115 VAC, 50 Hz
7.2 mA at 230 VAC, 50 Hz
Module's characteristics:
Resistor 470 Ω
Capacity 100 nF
General specifications:
Ambient operating temperature -25 °C ... +70 °C
Storage temperature -40 °C ... +70 °C
Dimensions (mm) W x H x L 15 x 15 x 10
Standards/specifications EN 60664-1