Siemens UL 489 - Vertical Connections for Fixed Mount Circuit Breakers

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5.2.3 Vertical connections for fixed mount circuit breakers
1) The terminal permits the use of 2“ x ¼“ busbars.
2) The terminal permits the use of 4“ x ¼“ busbars.
5.2.3.1 Fitting fixed-mounted circuit breaker with vertical adapter
- OPEN the circuit breaker and discharge the closing spring (page 24-2)
- Remove fixed-mounted circuit breaker
Fixed mount circuit breaker Connection to Line/Load Side terminal with vertical connectors
Frame Size I
nmax
Number of busbars Busbar cross-section Number of holes
I 800 A / 1200 A 1 - 3 3“ x ¼“
1)
2
II
800 A / 1600 A 1 - 3
4“ x ¼“
1)
32000 A 2 - 4
2500 A / 3000 A 3 - 5
III 4000 A / 5000 A 5 - 7 5“ x ¼“
2)
4
DANGER
Hazardous voltage.
Will cause death, serious personal injury, or equipment damage.
Turn off and lock out all power supplying this equipment before working on this device.