Obstruction Lamp Alarm Relay Series - Obstruction Lamp Alarm Relay

External overview image
Roll Over to Zoom
Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

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.

Access specifications, certifications, check availability and order parts below

Catalog #Input
Voltage (V)
Output VoltageOutput
Form
Trip Delay TypeOutput Load Rating (VA)DimensionsStockCompare
SCR430T120 V ac≤125 W @ 120 VacSDPT≅6 fixed10 A @ 240 Vac or 30 Vdc resistive; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac3.5 H x 2.5 W in. (88.9 x 63.5 mm)Check
SCR630T230 V ac≤250 W @ 240 VacSDPT≅6 fixed10 A @ 240 Vac or 30 Vdc resistive; 1/4 hp @ 125 Vac; 1/2 hp @ 250 Vac3.5 H x 2.5 W in. (88.9 x 63.5 mm)Check
To request product environmental information, please complete the Product Environmental Information Request Form.