Thomson TS870 Manual Transfer Switch (3Ph, 400A)

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This Thomson TS 870 Manual Transfer Switch allows you to manually transfer commercial and industrial grade three phase loads up to 400A.

FEATURES

• Electrically operated and manually initiated.
• Source 1 / Source 2 selector switch.
• Source Availability and Load Status LED pilot lights.
• Open Transition (break-before-make) configuration.
• Fully enclosed silver alloy contacts provide high withstand rating and 100% continuous current rating.
• 3 cycle short circuit current withstand tested allows use of non-series rated upstream protective devices.
• Completely separated utility side and generator side power switching units provide superior reliability.
• Heavy duty brushless gear-motor and operating mechanism provide mechanical interlocking and extreme long life with minimal maintenance.
• Electrical and mechanical interlocked mechanisms prevents simultaneous closure of Utility and Generator sources.
• All mechanical and control devices are visible and readily accessible.
• UL 1008 Listed Transfer Switches for use in emergency standby systems.
• NEMA 1 indoor standard. Optional NEMA 3R outdoor enclosures available. (Call for other options)
• Note: Molded case circuit breakers or fuses with overcurrent protection are required upstream of the transfer switch.
• Not Service Entrance Rated.

OPTIONS (Call to Order)

• Other Enclosures
• Other three phase voltages
• Four pole models

OPTIONAL ACCESSORIES (Call to Order)

• AUX-G: Auxilary Contact – Generator Side (up to three)
• AUX-U: Auxilary Contact – Utility Side (up to three)
• UPA: Utility Power Available Contact (up to three)
• TS-HA: Enclosure Strip Heater with Thermostat (120VAC external source required)
• TS-H2: Enclosure Strip Heater with Thermostat (Internally powered from load)
• LCK: Enclosure Lockable Door

DOWNLOADS

TS870 Manual Transfer Switch Brochure