SCR430T Universal Lamp Alarm Relay

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SCR430T Universal Lamp Alarm Relay


The SCR series are Tower and Obstruction Lighting Controls used in a variety of applications. The SCR430T and SCR630T are universal lamp alarm relays designed to sense the failure of flashing or steady incandescent beacon lamps or steady side lights. The SCR9L is a universal lamp alarm relay designed to sense the failure of flashing or steady LED beacon lamps or obstruction lamps. The SCR490D Series is used to provide remote monitoring of steady burning incandescent marker and obstruction lighting. Four onboard switches allow operator programming for lighting systems with two through nine lamps on a single AC circuit.




Input Voltage (V)120VAC
Input Tolerance (%)±10%
Input AC Line Frequency (Hz)50/60Hz
Output Voltage≤125W@120VAC
Output Load TypeIncandescent
Output FormSDPT
Output Load Rating (VA)10A @ 240VAC or 30VDC resistive; 1/4 hp @ 125VAC; 1/2 hp @ 250VAC
Trip Delay Type≅6s fixed
Operating Temperature-55° to 65° C (-67° F to 149° F)
Mounting MethodTwo #6 (M3.5 x 0.6) screws
Termination TypeScrews with captive clamps for up to 14AWG (2.45mm2) wire
Dimensions3.50 x 2.50 x 1.75 in. (88.9 x 63.5 x 44.5mm)
Weight (lbs/g)≌6.8 oz (193g)
Sample capableNo