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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.
- Toroidal current sensing
- Monitors 1-4 side lights or up to 4 beacon lamps
- Isolated, 10A, SPDT alarm output plus one 1A, solid-state line voltage alarm output
- Fixed trip delay (6s)
- Switch selectable number, voltage, and wattage of lamps
- Provides isolation from the lighting circuit and allows monitoring of multiple lines simultaneously
- Senses failed incandescent flashing beacon or steady obstruction lamps
- Provides alarm indication and can also be used for remote monitoring of the lighting system
- Prevents nuisance alarms
- User selectable to meet wide application needs with one relay
SCR Parts
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| 120 V ac | ≤125 W @ 120 Vac | SDPT | ≅6 fixed | 10 A @ 240 Vac or 30 Vdc resistive; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | 3.5 H x 2.5 W in. (88.9 x 63.5 mm) | |||
| 230 V ac | ≤250 W @ 240 Vac | SDPT | ≅6 fixed | 10 A @ 240 Vac or 30 Vdc resistive; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac | 3.5 H x 2.5 W in. (88.9 x 63.5 mm) |
