Norgren VS18 Series Valve Advantage - Manual (Page 12)

VS18/VS26 MAINTENANCE & INSTRUCTION BOOKLET
4.4 E LECTRICAL
4.4.1 Voltage tolerances
Voltage Voltage tolerances
24V DC +/-10%
115V AC -10%/+15%
4.4.2 Required performance of power supply unit
The required performance can be calculated from the maximum number of energized solenoids
at the same time. In case of a Fieldbus valve island the consumption of power of the electronic
has to be considered (see section
8 ).
4.4.3 Power supply and precautions
All VS18/VS26 24V DC products are designed to be used with a protective extra low voltage
(PELV) power supply (UL Class 2 Supply only).
All VS18/VS26 115V AC products correspond to the protection class I. Connection of the
protective earth (PE) ground is required.
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