Thomson Power Systems TS 970 User Manual

TS 970 Transfer Switch
PM163 REV 0 20/02/05 11 Thomson Power Systems
4.2. POWER CONTACTOR ATS
TS 970 Series product line consist of two types of power contactor based on amperage size
and optional features supplied with the ATS.
100 – 400A Power Contactor (Typical)
600 – 1200A Power Contactor (Typical)
100A – 1200A rated power contactors are operated by internal drive motor operators. The
power contactor mechanism utilizes the power from the source to which the electrical load is
being transferred. The TSC 900 transfer switch controller by default configured for fast In-
phase open transition transfer sequences. User can inhibit fast In-phase transfer and provide
a standard neutral position delay to allow adequate voltage decay during transfer operation to
prevent out of phase transfers. The power contactor units are provided with 277VAC powered
internal motor operators and open-and-close coils. Operating shaft, trip and select B control
lever are provided on the face of the power contactor unit for Manual Operation.

Thomson Power Systems TS 970 Specifications

General

Brand	Thomson Power Systems
Model	TS 970
Category	Switch
Language	English