Secondary Disconnect Blocks; Selectivity/Backup Protection - GE EntelliGuard G Installation, Operation And Maintenance Manual

DEH-41304C
13 March 14

SECONDARY DISCONNECT BLOCKS


Located for easy customer wiring to the accessories
and to the trip unit:
- Top-mounted for all envelopes.
- Optional side mounting is available for UL
envelope 1.

In case of drawout, by removing one screw, the
cassette-mounted secondary disconnect block can be
tilted in the mounted state and can be removed for
easy control circuit wiring (Fig. 3.24).
Figure 3.24. Secondary Disconnect

Block-A contains a set of 39 self-aligning secondary
circuit isolating contacts. Each contact is clearly
labeled with the connection point. For certain
protection configurations and additional accessories,
an additional block (Block-B) is installed.

Current rating of each terminal is 10 A/240 Vac and
5 A/250 Vdc.

Terminals are suitable for ring or spade terminals and
bare conductors (Table 3.6). Recommended max. width
or diameter of the connector is 7.4 mm.

Connector examples:
Ring terminals: TYCO-35684 (wire gauge 14-12)
-
Spade terminals: TYCO-34384 (wire gauge 12-10)
-
Molex-0190690230 (wire gauge 10-12)
-
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EntelliGuard® G Circuit Breaker
Section 3 – Lifting, Mounting and Installation
Table 3.6. Terminal Wiring
Number of Terminals
Terminal capacity
Screw type (bare
conductors) solid or stranded
Screw type (bare
conductors)
Ring/spade terminals 20 AWG to 12 AWG

SELECTIVITY/BACKUP PROTECTION

 The circuit breaker is time-selective with the
downstream ACB and MCCBs up to the lowest of the
breaking capacity of the combination.
 Selectivity levels are determined by the selection
settings of short time and instantaneous pickup and
time delay on the Trip Unit.
 No backup protection/cascading (series ratings) is
available with this product.
78
1x 2x
12 AWG, -
22 AWG to 14 AWG,
0.5 mm² to 2.5 mm²
-
19