Bypass / Isolation Switches


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Firetrol FTA950 Power Transfer Switch Ordering Information
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Firetrol FTA975-976 Power Transfer Switch Ordering Information
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Firetrol FTA975-976 Power Transfer Switch Drawings
Firetrol FTA975-976 Power Transfer Switch Specifications
TA (FTA976 Assembled with Limited Service Controllers)
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TSA (FTA950 Assembled with Electric Controllers) - Instruction Manual
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Bypass and Isolation Switches
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Bypass and Isolation Switches

 

 

Product Information/Sales
Brochures and Data Sheets
Overview

Firetrol Automatic Transfer & Bypass-Isolation Switches are designed to be used with any Firetrol Electric Fire Pump Controller.  The Entire package of Transfer Switch and Controller is factory assembled, wired, tested and shipped as a complete unit for easy field connection to the power sources and the fire pump motor.

These controller are designed for critical applications where the transfer switch cannot be taken out of service for maintenance or repair purposes.

Firetrol  Automatic Transfer & Bypass-Isolation Switches are listed by Underwriters Laboratories, Inc. for transfer switch service and also meet the requirements of NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection and NFPA 70, National Electrical Code.  The Automatic Transfer & Bypass-Isolation Switches are listed by Underwriters Laboratories, Inc. under UL-1008, Automatic Transfer Switches, as well as UL-508, Industrial Control Equipment.

Features
Switch Features
  • Allows bypass-isolation without load interruption.
  • Bypass switch and transfer switch have identical electrical ratings.
  • Heavy duty mechanical interlocks prevent undesirable operation.
  • Bypass contacts carry current only during bypass mode.
  • Bypass switch is fully rated for use as a manual 3-position transfer switch.
  • Bypass and isolation functions are simple, requiring a total of two operating handles.
  • No toggle switches, push buttons, selector switches or levers are required for Bypass/Isolation operation.
  • Mechanical indicators show bypass
Options/Modifications
SPECIAL ENCLOSURES
-H 120 Volt Space Heater
-J 120 Volt Space Heater With Thermostat
-K 120 Volt Space Heater With Humidistat
-L 240 Volt Space Heater
-M 240 Volt Space Heater With Thermostat
-N 240 Volt Space Heater With Humidistat
MISCELLANEOUS
-EC Extra contacts for remote indication, transfer switch position indicator
-S Tropicalization
Product Information/Technical
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