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Instruction Leaflet IL29C149B
Installation Instructions for Low Energy Shunt Trip for NDB, ND,
NDC, HND, NW, HNW, NWC Circuit Breakers, Series C Molded
Case Switches, and Motor Circuit Protectors (HMCP)
Effective December 2011
Supersedes IL29C149A 07/98
Contents
Description
1-0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2-0 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Page
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Summary of Contents for Eaton C Series
- Page 1 Effective December 2011 Instruction Leaflet IL29C149B Supersedes IL29C149A 07/98 Installation Instructions for Low Energy Shunt Trip for NDB, ND, NDC, HND, NW, HNW, NWC Circuit Breakers, Series C Molded Case Switches, and Motor Circuit Protectors (HMCP) Contents Description Page 1-0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2-0 Installation .
- Page 2 Low Energy Shunt Trip Installed in N-Frame The recommendations and information contained herein Circuit Breaker. are based on Eaton experience and judgment, but should not be considered to be all-inclusive or covering every application or circumstance which may arise. If...
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Page 3: Installation
THE OFF POSITION AND THERE IS NO VOLTAGE escutcheon window. PRESENT WHERE WORK IS TO BE PERFORMED. SPECIAL ATTENTION SHOULD BE PAID TO 2-4. Remove cover screws and cover. REVERSE FEED APPLICATIONSTO ENSURE NO VOLTAGE IS PRESENT. EATON CORPORATION www.eaton.com... - Page 4 Figure 2-3 Installing Intermediate Plunger and Shunt bracket. Pigtail leads exiting in this manner should Trip. be eased through trough as mounting bracket is EATON CORPORATION www.eaton.com...
- Page 5 If mechanical check does not trip circuit breaker, see if LEST and intermediate plunger are correctly installed. If LEST and intermediate plunger appear to be properly installed and problem persists, contact Eaton. Figure 2-5 Testing Operation of Solenoid Plunger. EATON CORPORATION www.eaton.com...
- Page 6 Figure Low Energy Shunt Trip Connection Diagram. 2-15. Connect LEST to ground fault detection circuit to be monitored (Figure 2-7). Yellow lead is positive. Eaton assumes no responsibility for malfunctioning accessories installed improperly by the customer. EATON CORPORATION www.eaton.com...
- Page 7 Installation Instructions for Low Energy Shunt Trip for NDB, ND, Instruction Leaflet IL29C149B NDC, HND, NW, HNW, NWC Circuit Breakers, Series C Molded Effective December 2011 Case Switches, and Motor Circuit Protectors (HMCP) Notes: EATON CORPORATION www.eaton.com...
- Page 8 OF DEALING OR USAGE OF TRADE, ARE MADE REGARDING THE INFORMATION, RECOMMENDATIONS, AND DESCRIPTIONS CONTAINED HEREIN. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental or consequential damage or loss...