TS 910 TRANSFER SWITCH
PM140 REV 2 14/01/23 2 Thomson Power Systems
3 NOTES TO INSTALLER
DANGER!!!!
Arc Flash and Shock Hazard. Will cause severe injury or death.
Do not open equipment until ALL power sources are disconnected
This equipment must be installed and serviced only by qualified electrical
personnel utilizing safe work practices and appropriate Personal Protective
Equipment (PPE). Failure to do so may cause personal injury or death
3.1 APPLICATION
The TS 910 Transfer Switch is designed and is Listed by Underwriters Laboratories (UL) to
Safety Standard UL 1008 for Transfer Switches for Optional Standby applications only. This
product is not intended for installation or operation on legally required standby
applications for emergency power systems as defined by the National Electrical Code.
3.2 CHECK EQUIPMENT DELIVERY
Upon delivery of the transfer switch, remove the product packaging and verify the product
has not been damaged.
WARNING: Damaged Transfer Switch equipment: Do not install or operate the transfer
switch if it appears damaged. Failure to follow these instructions can result in death,
serious injury, or equipment damage.
Check that the model number printed on the inside cover of the transfer switch is the same
as on the delivery note corresponding to the purchase order.
3.3 CHECK LINE VOLTAGE/AMPERAGE
The transfer Switch is designed for a maximum voltage of 120/240V, Single Phase 3 wire
with neutral or 120/208V, three phase 4 wire with neutral. Verify the line voltage and
amperage of the transfer switch matches the site requirements. Note: The transfer switch
can be configured for operation on 208V sources by way of configuration jumper. Refer to
Section 18.15 CONFIGURATION JUMPERS of this manual for further information.
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