GAI-Tronics 12579-003 Monitored Relay Module (MRM) - Manual (Page 16)

Pub. 42004-716L2C
Model 12579-003 Monitored Relay Module Page 16 of 16
f:\standard ioms - current release\42004 instr. manuals\42004-716l2c.doc
05/12
Mode 4
Maximum current draw (per output) ............................................................. 5 amps @ 24 V dc or 132 V ac
Maximum dc switching voltage ....................................................................................................... 150 V dc
Maximum ac switching voltage ....................................................................................................... 132 V ac
Open fault detection ............................................................................................................ Minimum 65 k

Ground fault detection ......................................................................................... Less than 200  to ground
Wire-to-wire short fault detection .......................................................................................... Less than 1 k 
Mode 5 (Dry)
Contact closure resistance ................................................................................................... 900
 maximum
Mode 5 (Wet)
DC input voltage range ................................................................................. 20–30 V dc (24 V dc nominal)
Loop Supervision Limitations:
Cable limitations ........................................................................................ 100
 maximum loop resistance
Resistance across loop (excluding end-of-line device) ...................................................... 100 k  minimum
Terminals:
Minimum conductor size ......................................................................................... No. 28 AWG (0.5 mm
2 )
Maximum conductor size ......................................................................................... No. 12 AWG (3.0 mm 2 )
Mechanical
Unit dimensions ..................................................... 4.00 H  10.5 W  2.25 D inches (102  267  58 mm)
Unit weight ..................................................................................................................... 1.75 lbs. maximum
Environmental
Temperature range (operating/storage) ................................................. −30  C to 70 C (−22 F to 158 F)
Humidity .......................................................................................... 95% non-condensing relative humidity
Replacement Parts
Part Number Description
69613-001 CPU PCBA
69251-201 Monitored In 8 PCBA
69252-001 Power Relay Module
References
Published By Title GAI-Tronics Ref. No.
GAI-Tronics Monitored Relay Module Assembly Drawing 73568