This Thomson TS 880 SE Manual Transfer Switch is ideal for mission critical commercial and industrial service entrance applications up to 800A. Optional Bypass Isolation available.
TRANSFER SWITCH FEATURES
- 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 3RX, 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.
SERVICE ENTRANCE FEATURES
- 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).
- 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 Trip available (Electronic and GF Trip also available).
BYPASS ISOLATION OPTION
- 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.
PRODUCT DOWNLOADS
MORE OPTIONS
Auxiliaries
- AUX-BG – Generator Side Auxiliary Contact
- AUX-BU – Utility Side Auxiliary Contact
Enclosure
- NEMA 3R Outdoor, NEMA 3RX 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)
Function
- TCP – Transfer Switch Connection Plate for Generator Supply (camlocks)
- TS-SS – Internal Multi-Voltage Selector Switch (208V/240V/480V)
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