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This Thomson TS 870 Manual Transfer Switch allows you to manually transfer commercial and industrial grade single phase loads up to 1000A.
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.
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
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