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Thomson TS880SE Manual Transfer Sw (3Ph, 2000A)

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1,500.00 LBS

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This Thomson TS 880 SE Manual Transfer Switch is ideal for mission critical commercial and industrial service entrance applications up to 2000A. Optional Bypass Isolation available.


  • Numerous three phase voltages available up to 600V - 3-wire or 4-wire systems. Three or four poles.
  • Manually initiated and electrically operated with Source Selector Switch, Position Indicating Lights, and Source Available Lights.
  • All load transfer sequences are “Open Transition” (i.e. “break-before-make”).
  • Solid Neutral standard on 4 wire systems. (Please inquire about other options.)
  • Fully enclosed silver alloy contacts provide high withstand rating & 100% continuous current rating.
  • 3 cycle short circuit current withstand tested.
  • Completely separate utility and generator side power switching units.
  • Superior serviceability with all mechanical and control devices visible and readily accessible.
  • ISO 9001 registered for quality assurance.
  • NEMA 1 enclosure standard with options of NEMA 3R, NEMA 4X, and NEMA 12.
  • Seismic Certified for installation and operation per the following requirements: IBC 2012 – Section 13, Occupancy Category IV; ASCE7-05 Region 3 (minimum SS=200%); and OSHPD Certified.
  • Specifically designed and certified to UL 1008 Standards.


  • Incorporates an isolating mechanism and over current protection on the utility supply thereby removing the need to have a separate, upstream circuit breaker/ disconnect switch.
  • Utility switching device is an insulated case switch with Electronic Trip (Electronic and GF Trip also available - required for most 240V applications).
  • Can be applied to any TS 880 model of Thomson Power Systems Transfer Switch.
  • Simple service disconnect operation ensures a high level of safety for system maintenance personnel.
  • Pad-lockable Service Disconnect control switch.
  • Incorporated into a standard sized automatic transfer switch enclosure.
  • Specifically designed and certified to the UL 1008 Standard as well as complying with NEC and NFPA requirements.
  • Optional generator-side over-current protection with Electronic and GF Trip available.


  • Employs an interlocked power switching mechanism that provides an easy and safe procedure for system maintenance personnel to manually isolate and bypass the transfer switch.
  • Manually operated switch allows either generator or utility source to be bypassed to maintain power to the load while the transfer switch is tested for maintenance procedures as required.
  • Allows a fast, simple and reliable method of isolating and bypassing the transfer switch through a “break-before-make” bypass design.
  • Mechanical interlocking mechanism ensures that the utility and generator sources cannot be paralleled under any circumstance and the transfer switch may be bypassed to either source.
  • Supplied as a single complete assembly with all power conductors provided between the bypass mechanism and the transfer switch.
  • Provisions for all external power cabling for the utility, generator and load conductors are provided for in the bypass/isolation compartment of the switch.
  • Bypass/isolation switch and transfer switch are mounted in separate barriered compartments.
  • Bypass isolation mechanism consists of 2 mechanically interlocked power switch devices and draw-out transfer power switching devices with key interlock mechanism.
  • Utilizing independent switching units provides a high degree of reliability and redundancy not available in other switches.
  • Specifically designed and certified to UL 1008 Safety Standards.


TS880 Brochure



  • AUX-G - Generator Side Auxiliary Contact
  • AUX-U - Utility Side Auxiliary Contact
  • UPA - Utility Power Available Contact


  • NEMA 3R Outdoor, NEMA 4X Stainless Steel, and NEMA 12
  • LCK - Enclosure Lockable Door (Single point T-Handle lock)
  • TS-H1 - Enclosure Strip Heater c/w Thermostat (120VAC external power source required)
  • TS-H2 - Enclosure Strip Heater c/w Thermostat (internally powered from ATS load)


  • TS-SS - Internal Multi-Voltage Selector Switch (208V/240V/480V)
Model Number:
3 or 4
Voltage Options:
208V - 600V, 3 or 4 wire systems
50/60 Hz
Withstand Rating (Breaker):
100,000 @ 240 & 480VAC; 85,000 @ 600VAC - with upstream circuit breaker protection
Withstand Rating (Fuse):
100,000 @ 600 VAC - with upstream fuse protection
Lugs per Phase:
6 - #2-600MCM
Cabinet Type:
NEMA 1 Indoor (NEMA 3R, NEMA 4X, & NEMA 12 also available)
Service Entrance Rated:
Dimensions HxWxD (inches):
92 x 36 x 42
1500 lbs.
Limited Warranty:
2 Years (Extended warranty options available). Please contact us for full details.

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