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Instruction Leaflet IL29C149B
Effective December 2011
WHEN INSTALLING CIRCUIT BREAKER MAIN
COVER, MAKE SURE THAT ALL INTERNAL PARTS
ARE IN PLACE:
SLIDING HANDLE BARRIER IS POSITIONED SO
THAT THE HANDLE OPENING IS ALIGNED WITH
THE HANDLE.
ALL LEADS ARE CLEAR OF THE COVER
2-10.
With circuit breaker handle in TRIPPED position
and accessory pigtail leads (if used) routed as
required, install circuit breaker covers. Secure
with pan-head screws. Torque to 22-24 Ib-in
(2.49-2.72 Nm).
2-1
Remove and discard UL listing label on NDB
circuit breakers only.
2-12.
Place accessory labels (supplied with kit) on cir-
cuit breaker (See Figure 2-6).
SOLENOID IS RATED FOR INTERMITTENT DUTY.
CONTINUOUS APPLICATION OF 24 VDC
AGE THE SOLENOID.
2-13.
Electrical check. Where practical and after tak-
ing all necessary safety precautions, connect
yellow LEST lead to positive terminal of a DC
power supply and white lead to ground. Reset
and close circuit breaker. Confirm that circuit
breaker trips when 24 Vdc (maximum pulse of
one second) is applied to leads.
2-14.
Install circuit breaker.
Accessory labels show connection diagram for
LEST contacts. Pigtail leads are color coded white
and yellow.
2-15.
Connect LEST to ground fault detection circuit
to be monitored (Figure 2-7). Yellow lead is
positive.
6
EATON CORPORATION www.eaton.com
Installation Instructions for Low Energy Shunt Trip for NDB, ND,
NDC, HND, NW, HNW, NWC Circuit Breakers, Series C Molded
CAUTION
CAUTION
Case Switches, and Motor Circuit Protectors (HMCP)
Figure 2-6 Preferred Mounting Locations for Accessory
Nameplate Labels
Pigtail Leads
DAM-
Overcurrent
Protection
Device
(Customer Supplied)
When Required
Terminal Block
Control
Protection
Voltage
Device
Source
(Customer Supplied)
When Required
Figure
Low Energy Shunt Trip Connection Diagram.
2-7
Eaton assumes no responsibility for malfunctioning
accessories installed improperly by the customer.
Modification
Identification
Connection
Terminal
Diagram
Block
(When Used)
Connection
Diagram
Label
(When Used)
Customer Supplied
Remote Signal
Contact and
Indication (As
Required)
White
I
I
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