Filnor Knife Switch - Type A: Single-Throw, Non-Fusible

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TYPE A SINGLE THROW

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	Features Open knife switches are used as disconnect switches on switchboards, distribution, and control panels. Extensive uses of knife switches are found in the heavy industries and laboratories for control and test panels, where visible disconnects are required. End users include steel mills, utility plants, the transportation industry, and mining equipment. Type A, single-throw non-fusible knife switches have a corrosion-resistant finish. Mounted on GPO-3 bases and have high clips and hinges. The high clips and hinges simplify the front-of-board connections. The electrical rating of the switches ranges from 30 amperes at 250 volts AC/DC to 6000 amperes at 600 volts AC/DC. All of these standard switches carry the Underwriters Laboratories listing. Specifications Type A / Section A Class 9850 Front-connected Single-throw Non-fusible Currents: 250 VDC/480 VAC 600 VDC/VAC Poles: One Pole Two Poles Ampere Ratings: 60 amps 100 amps 200 amps 300 amps 400 amps 600 amps

Information

Open knife switches are used as disconnect switches on switchboards, distribution, and control panels. End users include steel mills, utility plants, the transportation industry, and mining equipment. Extensive uses of knife switches are found in the heavy industries and laboratories for control and test panels where visible disconnects are required.

Type A, single-throw, non-fusible knife switches have a corrosion-resistant finish, are mounted on GPO-3 bases, and have high clips and hinges. The high clips and hinges simplify the front-of-board connections. Available in 30 amps through 2000 amps.

Ratings

Ampere ratings of Type A, non-fusible, knife switches are based on a temperature rise of not more than 30°C above an ambient temperature of not more than 40°C when mounted in open air. Enclosed ratings are based on the switches being mounted in enclosures with adequate ventilation and with a bus or cable of appropriate size.

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