Introduction
Coil Signaling Contacts:
Coil Signaling Contacts indicate the status of the coil they are installed on. Coil Signaling Contacts consists of two switches thus enables the status of the coils thru trip unit and the secondary disconnect. Status switch thru secondary disconnect can be power rated or signal rated. Status switch thru trip unit is a signal rated.
DEH-41420 Installation Instructions
EntelliGuard ®G Circuit Breaker
Accessories
Coil Signaling Contacts
WARNING: Before installing any accessories, turn the breaker OFF, disconnect it from all voltage sources, and discharge the closing spings.
AVERTISSEMENT: Avant d’installer tout accessoire, mettre le disjoncteur en position OFF, le déconnecter de toute tension d’alimentation , et décharger les resorts d’armement
CSC, Signal rated Contact:
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Cat no |
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AC Ratings |
125Vac |
0.1A |
GCSP2R |
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DC Ratings |
30Vdc |
0.1A |
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Table 1. Catalog Number and Ratings:
CSC, Power rated Contact:
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Cat no |
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AC Ratings |
125Vdc |
6A |
GCSP1R |
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250Vdc |
6A |
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Use the following procedure to install Release Indication Contact accessory into the circuit breaker.
1.Verify that the rating on the Release Indication Contact identification plate matches the voltage rating required for the application, as listed in Table 1.
2.Turn the breaker off and discharge the closing springs by depressing the OFF and ON buttons in the sequence OFF-ON-OFF. Verify that the breaker OFF-ON indicator shows OFF on a green background and that the charge indicator shows DISCHARGE on a white background. If installing in a draw-out type breaker remove breaker from adaptor (cassette) before continuing.
3.Loosen the 6 screws on front cover (fascia) using a posidrive screw driver as shown in Fig 1.B
1
Rotate the charging handle down and slide the front cover over the handle to remove the front cover as shown in Fig. 1.C.
7. Guide the wires in the wire opening of the coil housing as shown in Fig. 4. Press the cover and ensure the 3 snaps are engaged with the openings in the coil housing.
Figure 1. (A) Front Cover (B) Screw Removal (C) Handle
Rotation
4.Remove the existing coil from the mechanism.
5.Remove the coil cover by pressing the three snaps as shown in Fig. 2.
Figure 2. Removing the existing cover
6. Align the new cover with Release Indication Contacts on the coil as shown in Fig. 3.
Figure 3. Cover assembly
Figure 4. Cover assembly
8. Tilt the coil forward and engage the front hooks into the mechanism top support plate as shown in the Fig. 5.
Figure 5. Assembly of coil
9. Plug the connector from the Release Indication Contact cover with the connectors
from the harness of the trip unit as shown in Fig.6. While connecting ensure the coils are connected with the correct connectors from the harness such as marked as ST1/UV1/CC/ST2&UV2 from the respective coils.
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