Tim1 zone wiring basics, Figure 76: tim1 zone wiring diagram – GE Industrial Solutions EntelliGuard TU Trip Units User Manual
Page 57
DEH-4567B
EntelliGuard TU Trip Units: UL/ANSI Models
Trip Unit Integration
©2012 General Electric All Rights Reserved
47
Figure 7-5: Six Trip Units Connected in Parallel to a Single Downstream TIM1 Input Pair
A maximum of six trip units can be connected in parallel to a single DOWNSTREAM TIM1 input pair.
TIM1 Zone Wiring basics:
1.
The lowest breaker in the chain (typically the feeder
breaker) does not have its GFZIN input wired, since there
is no downstream breaker.
2.
The topmost breaker in the chain (typically the Main)
does not have its GFZOUT output wired, since there is
no upstream breaker.
3.
Breakers situated between an upstream and a
downstream breaker will have both their GFZIN and
GFZOUT terminals wired as shown in the diagram.
Figure 7-6: TIM1 Zone Wiring Diagram
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