Ametek DMS-3K Installation & Operation Manual page 35

Distributed monitoring system
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*Power Inputs 120/240VAC and 125 VDC will use external power supplies that provide 24
VDC Power to the rack.
(Power Supply Regulators may have a suffix of A depending on the version. Ex. Reg 90A)
Power Supply Regulators – Connection Wiring
REG 90
The REG 90 Power Supply Regulator is used for 3U Card Racks with 24 VDC Power and internal 24
VDC Field Contact Voltage. Connection is by screw type terminals (1.5mm², 16 AWG max.)
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