Secutron MR-2320 Series - Page 86

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Appendix C: Specifications
AS PER NFPA 72: System releasing circuits will not initiate an alarm signal due to movement
of waste water, surges, or variable pressure.
MR-2312-S12
Smart Relay
Module
Must be connected to a listed power-limited source of supply
Contact rating FormC/ 28VDC per contact / 1A resistive load max, zoned
Current consumption standby 30mA / alarm 140mA
MR-2306-ATW
8 Zone Remote
Annunciator
Standby 35mA / alarm 90mA
MR-2300T
Remote Trouble
Indicator
Standby 35mA / alarm 35mA
MR-2300-PR
Polarity
reversal and
city tie module
City tie power limited / 24VDC unfiltered / 250mA max / 14 Ω trip coil
Polarity reversal power limited / 24VDC open / 12VDC at 3.5mA / 8.5mA max
(shorted)
Polarity reversal supv terminal
24VDC (normal) / -24VDC (supervisory) / 0V (trouble)
Polarity reversal alarm terminal
24VDC (normal) / -24VDC (alarm) / 0V (trouble)
Current consumption standby 50mA / alarm 300mA (city tie in use) / alarm 70mA (city
tie not in use)
Table 12 MR-2320 System Modules and Annunciators (Continued)
MR-2320 System Modules and Annunciators