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811-PS Series - UL / FM Pressure Switch

811-PS Series - UL / FM Pressure Switch

811-SS-OSY Series - Supervisory Switch For OS&Y Valves

811-SS-OSY Series - Supervisory Switch For OS&Y Valves

811-SS-IP Series - Supervisory Switch for Indicator Posts

UL / FM Supervisory Switches for Vertical and Wall Indicator Posts offer the ultimate in accuracy and dependability. The SOVAL 811-SS-IP Series has two synchronized switches that are enclosed in a durable terminal block.  The Supervisory Switches (also called “tamper switches”) are enclosed in a sturdy, die-cast housing, offering the ultimate in accuracy and reliability. UL / ULC Listed / FM Approved.
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SKU
811_ss_ip
More Information
Testing Features Benefit Field - Configurable Import
This 811-SS-IP Series Supervisory Switch is a weather proof and tamper resistant switch for monitoring the open position of fire sprinkler control valves of the wall and yard post indicator. Two SPDT contacts are provided which will operate when the valve position is altered from an open state. The unit mounts in a 1/2” NPT tapped hole in the post indicator housing. The device is engaged by the indicating assembly of the post indicator, actuating switches when the valve is fully open. The unit should be installed where it is accessible for service. The cover is held in place by two tamper resistant screws that require a special tool to remove. The tool is furnished with each device.* Designed for Indoor ad outdoor use temp range -40°c to 60°c * Designed for use with Wall or Vertical Indicator Post (See the SOVAL 812WP and 813TP for more information on those)* Enclosure with die cast finish, red powder coated.* Two synchronized switches are enclosed in a durable terminal block * UL/ULC Listed* FM Approved