GE Industrial Solutions EntelliGuard G User Manual

Page 25

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DEH-41304C

EntelliGuard® G Circuit Breaker

13 March 14

Section 5 – Locks and Interlocks

©2012 General Electric All Rights Reserved

25

Figure 5.12. Right-Hand Hinged Board Door Bracket
Location Detail

5. Ensure the circuit breaker is in the DISCONNECTED

POSITION.

6. Close the panel door. Ensure the interlock lever is in the

lifted position.

7. Close the door and rack-in the circuit breaker in the

cassette. Follow steps 7 thru 12 in the section “Drawout
Circuit Breaker Operation“ already illustrated for
racking the circuit breaker in the cassette.

8. After reaching CONNECTED position, test the now

locked panel door to ensure it does not open.


KEY LOCKS AND INSTALLATION

Two types of key locks fit on the cassette (Figs. 5.13 and
5.14).

Profalux

Ronis


Figure 5.13. Profalux Key Interlock

Figure 5.14. Ronis Key Interlock


TWO-BREAKER CABLE INTERLOCK INSTALLATION

Figs. 5.15 and 5.16 provide information needed to calculate
the correct cable length. More information on three-breaker
and other combinations of cable interlocks is available on
request.

Vertical Mounting (Fig. 5.15)
1. Cassette pitch “A” is from the bottom face of one

cassette to the bottom face of the other. Dimension
“A” must be no less than 60 cm.

2. Ensure that the minimum cable radius is not less than

125 mm. Minimum cable length is “A” + 100 cm.
Longer cables may be used; however, they must be
free from obstruction and no longer than 3 m.


Figure 5.15. Vertical Mounting Dimensions

Top

Circuit

Breaker

Bottom

Circuit

Breaker

“A” cm

10 cm (Min.) Cable

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