SCR9L - SCR9L Series

Series: SCR9L Questions? Contact Littelfuse Support
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.

See the Technical Resource Section below for individual datasheets containing specifications and operation details.
Property (Mouseover for details) Value
Input Voltage (V) 120 to 230VAC
Input Tolerance (%) ±15%
Input AC Line Frequency (Hz) 50/60Hz
Output Form Line Voltage Output: SPNO; Isolated Alarm Output: SPDT
Output Load Rating (VA) Line Voltage Output (SPNO): 5A @ 240VAC or 30VDC resistive 1/4hp @ 125VAC 1/2hp @ 250VAC; Isolated Alarm Output (SPDT): 10A @ 240VAC or 30VDC resistive 1/4 hp @ 125VAC 1/2 hp @ 250VAC
Trip Delay Type Factory fixed ≅ 10s
Indication Green: Input ON and calibrated; Green flashing: Trip delay; Red: Lamp failure; Red/Green flashing: Calibrating; Red flashing: Not calibrated
Circuitry Encapsulated
Operating Temperature -40° to 60° C (-40° F to 140° F)
Storage Temperature (F/C) -40° to 85°C (-40°F to 185°F)
Mounting Method One #10 (M5 x 0.8) screw
Termination Type IP20 screw terminals for up to 14AWG (2.45mm2) wire or two 16AWG (1.3mm2) wires
Dimensions 3.00 x 2.00 x 1.64 in. (76.7 x 51.3 x 41.7mm)
Weight (lbs/g) ≌3.9 oz (111g)