Cutler-Hammer Digitrip OPTIM 550 Manuale di istruzioni per l'installazione - Pagina 8

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Page 8

7.0 REFERENCES

7.1 SERIES C L-FRAME MOLDED CASE CIRCUIT
BREAKERS
29C105
Frame Instruction Leaflet
AD 29-167L
Typical Time-Current Characteristic
curves for L Frame Breakers

7.2 INTERNAL ACCESSORIES

The following types of internal accessories, which mount
on the trip unit, are available for use. The number of the
instruction leaflet covering the installation of each
accessory is shown.
• Alarm (Signal)/Lockout (ASL) Switch . . . .I.L. 29C183
• Auxiliary Switch . . . . . . . . . . . . . . . . . . . . .I.L. 29C123
• Shunt Trip . . . . . . . . . . . . . . . . . . . . . . . . .I.L. 29C146
• Low Energy Shunt Trip . . . . . . . . . . . . . . .I.L. 29C147
• Undervoltage Release Mechanism
(HandleReset . . . . . . . . . . . . . . . . . . . . . .l.L. 29C170
Source
L
C
Figure 5-3 Connections for Ground Fault No-Trip Test,
with a Three-Wire System
I.L. 29C508B
Low
Voltage
Source
R
Current Limiting
Resistor
(if required)
Effective 9/00