Omega RD-MV100 Series User Manual page 54

2.4 Alarm Output Wiring (/A1 to /A3, Option)
Contact Specifications
2-8
Alarm terminal position
Enclosed in parentheses are the relay numbers assigned to each option terminal.
Terminal arrangement (only the position of the alarm output terminals is
indicated.)
When the relay is not energized, NC is closed and NO is open. C is the common
terminal.
/A1, /A1/F1
/A2, /A2/F1
/A3, /A3/R1
Item Specification
Output type Relay transfer contact (energize/de-energize switchable)
Output capacity 250 VAC (50/60 Hz), 3 A
250 VDC, 0.1 A (resistive load)
Dielectric strength 1500 VAC (50/60 Hz) for one minute between output terminals and
earth ground terminal
For details related to the switching of energized/de-energized state of the alarm relays,
see section 6.4.
Option terminal