SRB1 Strobe Relay Board

Order code SRB1

Strobe Relay Board, used for switching and monitoring strobe indicator circuits, multiple cards can be used.

Product Description

The Evactron strobe relay board has been designed to monitor and switch alert and evac strobe indicators, up to 5 amps per circuit. SRB1-P has been configured for a 2 wire monitored output which reverses polarity between alert and evac, LED’S have been provided for strobe circuit status and a fault relay with voltage free contacts for strobe circuit fault condition.
Operation
In normal operation the SRB1-P should display a “OK” green led showing circuit integrity.
OPEN CIRCUIT- the yellow “O/C fault” led will illuminate, the “OK” led will turn off and the fault relay will de-energize.
SHORT CIRCUIT- the red “S/C fault” led will illuminate, the “OK” led will turn off and the fault relay will de-energize.
The fault relay is normally energized and de-energizes on fault or if input voltage is lost.

NOTE: In the event of an open circuit the output voltage is still supplied and is disabled in a short circuit condition.

 

 

Supply voltage 20-30 VDC
Operating current 30mA stand-by, 70mA Alert, 100mA Evac
Alert strobe current 5 Amps max
Evac strobe current 5 Amps max
Dimensions 75mm L x 72mm W x 25mm H
End of line resistor 4K7 Ohms

 

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