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Fusomatic Electric Cut-Off Switch

Application | Features | Overview | Specification

The Fusomatic Electric Cut-Off Switch is a thermally actuated safety switch used in combustion installations.

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Fusomatic Electric Cut-Off Switch
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Fusomatic Electric Cut-Off Switch

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  • Application
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The Fusomatic Electric Cut-Off switch is installed on a 3 ¼" or 4" round junction box located in the area(s) to be temperature monitored. Wired in series with the burner control circuit, a temperature rise to 165° F melts the fusible element to open the contacts and stop burner firing. The switch is rated 9.8 A, ½ HP @ 120 VAC.
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  • Features
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  • Automatically Breaks Burner Control Circuit In The Event Of A Fire
  • Approved By The Massachusetts Department Of Public Safety
  • Approved By The Underwriters Laboratories Inc.
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  • Overview
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The Fusomatic Electric Cut-Off Switch is a thermally actuated safety switch used in combustion installations. As required by many codes, it automatically breaks the burner control circuit in the event of a fire. 
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  • Specification
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Furnish and install where shown on contract drawings a thermally-actuated fusible element safety switch. Install the switch into a 3 ¼" or 4" round junction box and wire into the burner control circuit. In the event ambient temperature rises above 165° F the fusible element melts to open the contact and stop the burner firing. The fusible element safety switch shall be a Preferred Utilities Mfg. Corp., Danbury, CT, Fusomatic Electric Cut-Off Switch.
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