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Instruction Leaflet
Installation Instructions for the Digitrip OPTIM 550
E ective January 2013
IL29C508D
Supersedes IL29C508C 12/11
Contents
Description
1.0 General Information . . . . . . . . . . . . . . . . . . . . .
2.0 UL Listed Devices . . . . . . . . . . . . . . . . . . . . . .
3.0 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.0 Principle of Operation . . . . . . . . . . . . . . . . . . .
5.0 Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.0 Rating Plug . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents
Related Manuals for Eaton Digitrip OPTIM 550
Summary of Contents for Eaton Digitrip OPTIM 550
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Page 1: Table Of Contents
E ective January 2013 Instruction Leaflet IL29C508D Supersedes IL29C508C 12/11 Installation Instructions for the Digitrip OPTIM 550 3-Pole Trip Unit Installation and Operation with L-Frame Series C Circuit Breakers Contents Description Page 1.0 General Information ..... -
Page 2: 3-Pole Trip Unit Installation And Operation With
1.0 GENERAL INFORMATION DO NOT ATTEMPT TO INSTALL OR PERFORM MAINTENANCE ON EQUIPMENT WHILE IT IS ENER- The Digitrip OPTIM 550, illustrated in Figure 1-1, is an GIZED. ALWAYS VERIFY THAT NO VOLTAGE IS electronic trip unit that incorporates a microprocessor-... -
Page 3: Ul Listed Devices
3-Pole Trip Unit Installation and Operation with E ective January 2013 L-Frame Series C Circuit Breaker The Digitrip OPTIM 550 Trip Unit is completely self con- Make sure that the trip unit is suitable for the intended tained and when the circuit breaker is closed, requires installation by comparing nameplate data with any exist- no external power to operate its protection systems. - Page 4 Figure 3-2) with the keying pin in the bottom right corner. Note: Jumper plug assembly fits in one orientation only. CAUTION Digitrip OPTIM 550 Ground Fault Trip Units detect DO NOT EXCEED A TORQUE OF 12 LB-FT (16.27 ground fault currents through Residual Sensing. They NM).
- Page 5 Installation Instructions for the Digitrip OPTIM 550 Instruction Leaflet IL29C508D 3-Pole Trip Unit Installation and Operation with E ective January 2013 L-Frame Series C Circuit Breakers 1.50 AT TOP [38,1] 2X Ø .280 [0,76] 4X R [7,11] [9,14] [12,70] THRU HOLE...
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Page 6: Principle Of Operation
4.0 PRINCIPLE OF OPERATION In open air at 40°C (104°F), a L-Frame circuit breaker with a Digitrip OPTIM 550 Trip Unit installed will carry continu- ously up to 600 amperes without exceeding a 50°C (122°F) rise at the terminals. The calibration of the trip unit is insen- sitive to ambient temperatures over a range of -20°... -
Page 7: Testing
The National Electrical Code under Article 230-95-C Using a low voltage (0-24 volt), high current, AC source, requires that any ground-fault protection system be per- apply a test current of 125% of the Digitrip OPTIM 550 EATON CORPORATION www.eaton.com... -
Page 8: Rating Plug
Installation Instructions for the Digitrip OPTIM 550 Instruction Leaflet IL29C508D 3-Pole Trip Unit Installation and Operation with E ective January 2013 L-Frame Series C Circuit Breaker Ground Fault Trip Unit pick-up setting through one phase of the circuit breaker as shown in Figure 5-1. -
Page 9: References
Installation Instructions for the Digitrip OPTIM 550 Instruction Leaflet IL29C508D 3-Pole Trip Unit Installation and Operation with E ective January 2013 L-Frame Series C Circuit Breakers 7.0 REFERENCES Voltage Source 7.1 SERIES C L-FRAME MOLDED CASE CIRCUIT BREAKERS Source 29C105... - Page 10 Installation Instructions for the Digitrip OPTIM 550 Instruction Leaflet IL29C508D 3-Pole Trip Unit Installation and Operation with E ective January 2013 L-Frame Series C Circuit Breakers GROUND FAULT TEST RECORD FORM Ground Fault Test Record Should Be Retained by Those in Charge of the Building’s Electrical Installation in Order to Be Available to the Authority Having Jurisdiction.
- Page 11 Installation Instructions for the Digitrip OPTIM 550 Instruction Leaflet IL29C508D 3-Pole Trip Unit Installation and Operation with sE ective January 2013 L-Frame Series C Circuit Breakers Notes: EATON CORPORATION www.eaton.com...
- Page 12 THE INFORMA TION, RECOMMEND ATIONS, 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 other wise for any special, indirect, incidental or consequential damage or loss...
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