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13
Smart Relay 4 G2 Installation and Operation Manual
SPECIFICATIONS
SPECIFICATIONS
Inputs:
(8) Optically isolated (5 to 24 VDC, or 25-48 VDC via an external
resistor.) wet or dry inputs.
Default = Dry (5 volts internally sourced). With front panel LED
indicators.
Relay Outputs:
(4) 2PDT, 1 amp @ 30 VDC maximum relays. Sealed relays utilizing
2 - form – C, Bifurcated-Crossbar silver alloy with gold overlay
contacts. With front panel LED indicators.
Logic
Flash Microprocessor with non-volatile memory.
USB Serial:
9600, 8, N ,1 / USB type B female. FTDI Chipset.
Connectors:
Inputs and Relay Outputs: (4) 6-position pluggable screw terminal
blocks.
Power:
9 to 12 VDC only, greater than 500 mA. 2.1mm ID x 5.5mm OD
coaxial connector, center positive, surge protected. Universal
switching power supply with domestic connector supplied.
International power supply optional.
Dimensions:
6.25” W x 7.75” D x 1.63” H
Weight:
3 lbs.
Options:
RA-1 Rack Shelf. 1 RU. Accommodates up to 2 units. Note: Velcro
may be used to secure the product to the RA-1 shelf. International
power supply.
CAUTION!
For safety, never con-
nect 120 Vac circuits to
the inputs or relays!
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additional information.
