ASCO 641 Lighting Contactor Panel
Standard and Custom Solutions for Area and Security Applications
The ASCO 641 Lighting Control Panel offers contractors a complete, single-enclosure solution that includes multiple ASCO Lighting Contactors and a range of related controls and accessories. It saves space and can be installed quickly, with a minimum of on-site wiring.
All 641 Lighting Control Panel components are factory wired and tested to help ensure proper system operation and long-term reliability. Integrating components into a single enclosure eliminates the need to order from multiple manufacturers and the scheduling, billing and multiple contacts that requires.
The ASCO-engineered panel meets applicable code
standards. In fact, certain lighting contactors are UL listed for short circuit withstand current ratings.
The panel also is fully documented to ease troubleshooting, if ever necessary. It’s based on ASCO’s 100year tradition of applied technology and the quality assurance that’s designed into every ASCO product.
ASCO 641 Lighting Contactor Panel Array
1ASCO 918 Lighting Contactor
2 |
Control Switch |
6 |
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3 
3Hands Off Auto
4 |
Power Fusing |
1 |
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5 |
Customer Terminal |
2 |
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6Time Clock
5 4
Custom configurations can include a range of controls and accessories to complement one or more ASCO Lighting Contactors.
ASCO 918 Product Description Offering
918 |
6 |
20 |
3 |
1 |
0 |
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Product |
# of Poles |
Amps |
Voltage |
Sub-Panel |
Open Frame |
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918 |
4 |
20 |
3 = 110-120V |
1 |
0 |
|
6 |
6 = 208-240V |
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8 |
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7 = 265-277V |
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12 |
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Notes : 1. 4 pole units only available on Standard 641 units not Custom.
2.Subpanels are standard with all 641 product.
3.All 641 units will be open frame 918 individual units.
The 918 Lighting Contactor Is the Heart of the 641 Lighting Control Panel
The ASCO 918 Remote |
convenient lighting control |
Control (RC) Lighting Contac- |
in a variety of applications. |
tor is the heart of the ASCO |
It is rated at 30 amperes to |
641 Lighting Control Panel. |
600 volts AC and is listed to |
It provides reliable and |
UL 508. |
Distinguishing Features
Performance Features
•3 standard models to choose from
•Feature ASCO 918 RC Contactors. (electrically operated, mechanically held, designed for lighting applications)
•Quieter operation (no AC hum)
•Longer life expectancy for contactor
•Fully rated for all types of lighting loads, including metal halide, mercury vapor, quartz halogen, tungsten, and fluorescent
Construction Features
•All controls, except for photocell, in common Type 1 enclosure (Type 12, 3R, 4, and 4X enclosures are available)
•Available in 6 or 12 pole design
•ASCO 918 visual position indicators show open/closed position of each main contact
•ASCO 918 line, load, and control terminals accept no. 18 to no. 10 AWG wire
•Large dial, multifunction 7-day timer with reserve power feature or digital time clock with battery backup (Models 641A, 641 S)
•Clamp-type, self-rising terminal plates for solderless connection with the screws for fast termination
Electrical Features
•Available 120 or 277 V, 60 Hz control
•All control wiring stranded #14 AWG
•UL 1015 Red wiring
•Terminal block for all incoming wiring
•Fused power circuit
•UL Listed to UL508 Industrial Controls
•Rated 20 amps to 600 VAC (30 amps general purpose)
•Fully rated for all types of lighting loads
•High withstand current ratings
Solid-state control modules enable energy management systems, microprocessors, photoelectric cells, timers and similar control devices to manage the lighting contactor.
A Range of Lighting Control Applications
The lighting control panel is ideally suited for ballast lighting, tungsten and general-purpose loads. The ASCO 641A Lighting Contactor Panel satisfies requirements of large-area applications. 641S meets requirements for security applications and 641 AS meets requirements for both.
Applications include large areas, stadium parking garages and facilities using TOD (Time of Day) photo-sensor control for automatic on-off operation. Other applications are signs, interior and exterior building lighting, interior safety lighting, recreational lighting and applications suitable for manual on-off operation.
The 641 Lighting Control Panel is available in standard and highly customized configurations. Three standard configurations offer quicker delivery, while customized configurations offer the flexibility to tailor performance to site-specific requirements.
Standard Configurations
Standard panels feature the ASCO 918 Lighting Contactor that’s based on ASCO’s electrically operated, mechanically held solenoid operator that also is the heart of all ASCO power transfer switches.
The solenoid does not rely on magnetic latches or impressed current to maintain contacts in the open or closed position. The contactor offers quieter operation, longer life expectancy and eliminates the continuous power drain associated with electrically held solenoid designs.
This contactor is specifically designed for metal halide, mercury vapor, quartz halogen, tungsten and fluorescent lighting systems.
Custom Configurations
Custom configurations for comprehensive lighting control requirements can include up to 10 lighting contactors in one enclosure, in addition to related controls and accessories.
Besides the 918 Lighting Contactor, the panel also is available with the 920 Lighting Contactor. Panels configured with 920 Lighting Contactors become the
ASCO 642 Lighting Contactor Panel.
Controls and accessories can include relays, building management interfaces, time clocks, photocell interfaces, pilot lights, control switches, power fusing, and other functionalities.
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