TS 870 Transfer Switch
PM062 REV 11 16/04/19 7 Thomson Power Systems
3.6. GENERATOR SET AUTOMATIC OPERATION:
The TS 870 transfer switch operates in conjunction with any generator set with remote
automatic starting capabilities utilizing a 2 wire, remote start control contact input. A dry
contact is provided for remote generator starting control (contact closes to start generator and
opens to stop generator).
3.7. LOAD TYPES:
The standard TS 870 is suitable for control of motors, electric discharge lamps, tungsten
filament lamps, and electric heating equipment where the sum of motor full-load ampere ratings
and the ampere ratings of other loads do not exceed the ampere rating of the switch and the
tungsten load does not exceed 30 percent of the switch rating.
3.8. UPSTREAM OVER CURRENT PROTECTION (NON-SERVICE ENTRANCE RATED
TS 870):
Non-Service Entrance Rated TS 870 transfer switch models do not contain any integral over
current protection and require upstream over current protection devices for both Utility and
Generator sources.
3.9. UPSTREAM OVERCURRENT PROTECTION (SERVICE ENTRANCE RATED
TS870):
Service Entrance rated TS 870 transfer switch models contain integral over current protection
for the Utility source as standard. Service Entrance rated TS 870 transfer switches do not
contain any integral over current protection for the generator source and requires upstream
generator source over current protection. The Service Entrance rated TS 870 is rated for 80%
maximum continuous loading of load types as described per SECTION 3.7
.
3.10. WITHSTAND/INTERRUPTING CURRENT RATINGS:
Refer to electrical ratings shown in SECTION 16
for withstand/Interrupting current ratings.
Short circuit currents listed for Standard type ATS are Withstand ratings. Short circuit currents
listed for Service Entrance type ATS are Interrupting ratings based on the ratings of the
supplied utility service disconnect circuit breaker utilized.
To Next Page
Loading...
Need help?
General
