Table of Contents
 Product Features
 641S Security Lighting Control
 641A Area Lighting Control
 641AS Area/Security Lighting Control
 Dimensional Data
 Ordering Information
 Terms & Conditions of Sale*
ASCO offers a complete line of standard and custom lighting control panels designed to meet all of your lighting control application needs. ASCO 641 Lighting Control Panels are designed to be used for area lighting controls, such as the automatic and manual on/off control of parking lot lighting, signs, building exterior lights, security lighting, interior safety lighting, and recreational lighting areas.
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STANDARD MODELS
There are three standard models to choose from. All standard panels feature the ASCO 918 electrically operated, mechanically held lighting contactor. This contactor is specifically designed to be used for lighting applications, including metal halide, mercury vapor, quartz halogen, tungsten or fluorescent lighting. Because the contactor is mechanically held, the panels provide quieter operation with a longer life expectancy than electrically held contactors would allow.
The Models 641 A, 641 S and 641 AS are available with 4, 8 or 12 poles contactors. NEMA 1 enclosures are standard. NEMA 12 and 3R enclosures are also available.

CUSTOM PANELS
ASCO also offers complete custom panel capability meet your special lighting control needs. These custom panels utilize the ASCO 918, 911, and 920 mechanically held lighting contactors. Multiple lighting contactors in a common enclosure, relays, building management interface, time clocks, photocell interface, pilot lights, control switches, power fusing, and many more options are available - all with short lead times! Contact us with your requirements.
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Florham Park, NJ 07932