background image

 
 
Instructions for use of 

etc-12/etd

 G Series Direct Replacement Trip Unit 

page 

10 of 13

 

revision B, 
8/20/10 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5.10. 

f there is not enough slack in the wire 

harness, the existing programmer mount 
may need to be removed in order for the 

horseshoe 

bracket to be slid over the 

positioning pins on the mounting bracket.  To 
remove the programmer mount, the front 
mechanism of the breaker must be removed.  
This is accomplished by loosening the screw 
indicated in figure 17. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

5.11. 

Carefully remove the front mechanism 

from the breaker.  When doing so, be 
prepared to support both halves of the 
breaker.  Remove the existing box mount by 
removing the 4 screws indicated in figure 18. 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
5.12. 

After the programmer mount is 

removed, there should be enough slack in 
the cable to slide the 

horseshoe

 over the 

guide pins as described in step 5.9.  Once 
the 

horseshoe 

is secured in place, remount 

the programmer mount and front mechanism.  

 

 
5.13. 

Mount the 

etc-12

 onto the existing 

bracket by pulling the 

release

 lever and 

sliding the guide pins into the holes in the 
back of the trip unit.  The brass retention pin 
will mate with the existing mechanism on the 
mounting bracket and lock into place.  Make 
certain that the connector on the programmer 
is properly seated onto the mating connector 
on the bracket.  See figure 19.  

 

 
 
 
 

 
 
 

 

 

FIGURE 16, SECURING HORSESHOE WITH 
PUSH NUTS  

 

FIGURE 17, LOOSEN INDICATED SCREW TO 
REMOVE FRONT MECHANISM 

 

 

FIGURE 18, REMOVE INDICATED SCREWS 

Summary of Contents for etc-12 G series

Page 1: ...etc 12 G Series Direct Programmer Replacement for GE MicroVersaTrip units Section 1 Installation Manual shelton ct 1 800 272 7711 www satinamerican com ...

Page 2: ...Intentionally Blank ...

Page 3: ...CONTENTS Introduction 4 1 0 Required Tools 5 2 0 Reference Material 5 4 0 Installation 5 5 0 Installation on Powerbreak 8 6 0 Settings 13 ...

Page 4: ... in compatible communications are not available plugs The etc 12 is compatible with residual sensing ground fault for 3 and 4 wire applications In the special instance when ground fault protection is being added on a 4 wire system an additional neutral sensor copper details and secondary disconnects may be required Contact the factory before beginning a conversion of such a system Installation req...

Page 5: ...539 http www digikey com A9954 ND Mouser Electronics 800 346 6873 http www mouser com 571 4558222 2 0 Reference Material 2 1 Manufacturers Circuit Breaker Maintenance Manual 3 0 Manual and time current curves for original trip unit 3 1 etc 12 Section II Programmer Instruction Manual 4 0 Installation 4 1 Verify that the proper kit was supplied and thoroughly inspect it for damage or missing compone...

Page 6: ...ger is depressed the contacts being extracted will be damaged 4 8 The jumper required for breaker frames above but not including 2000A is inserted in locations 35 and 36 of the harness connector These locations are indicated in blue in figure 2 Location numbers of each cavity are molded into the rear of the connector but it is often possible to install this jumper without removing the programmer m...

Page 7: ... trip unit by pulling down the RELEASE lever on the box mount and inserting the brass retention pin into the mating slot on the existing boxmount Pressing the retention pin against the flat spring will cause the RELEASE lever to move into the locked position Refer to figures 6 and 7 4 11 Make certain that the new trip unit is securely latched into place and its connector is properly mated with the...

Page 8: ... 2 Remove front cover by removing the 4 screws indicated in figures 9 and 10 5 3 Remove the existing solid state trip unit by pulling the release lever as indicated in figure 12 5 4 Inspect the wire harness and add jumper if the breaker is above 2000A frame Refer to step 4 6 FIGURE 9 REMOVE INDICATED SCREWS FIGURE 11 REMOVE INDICATED SCREWS FIGURE 10 REMOVE INDICATED SCREWS FIGURE 12 Pull Lever to...

Page 9: ...plastic housing The notches in the plug body should fit through the notches of the horseshoe Refer to figure 15 5 8 After the plastic housing is properly nested the tabs on the horseshoe bracket should be bent slightly as so to lock the housing in place 5 9 Slide the horseshoe bracket over the positioning pins on the existing programmer mounting bracket Take care not to pinch wires during this pro...

Page 10: ...unt by removing the 4 screws indicated in figure 18 5 12 After the programmer mount is removed there should be enough slack in the cable to slide the horseshoe over the guide pins as described in step 5 9 Once the horseshoe is secured in place remount the programmer mount and front mechanism 5 13 Mount the etc 12 onto the existing bracket by pulling the release lever and sliding the guide pins int...

Page 11: ...0 5 14 Install the new escutcheon plate on the trip unit bezel using the supplied 6 32 x 1 2 long flat head screw See figure 20 5 15 Replace the front cover of the breaker the trip unit bezel and install the Plexiglas cover on the escutcheon FIGURE 19 etc 12 INSTALLED ON BRACKET FIGURE 20 ESCUTCHEON PLATE ...

Page 12: ...ing down the unit then re powering it when it is already connected to the jumper Table 2 CT Secondary Ratings Original Trip Unit Breaker Frame Size CT Secondary Rating RMS 9 RMS 9 Epic MicroVersaTrip MicroversaTrip Plus MicroVersaTrip PM 2000A and below 200mA RMS 9 RMS 9 Epic MicroVersaTrip MicroversaTrip Plus MicroVersaTrip PM Above but not including 2000A 400mA 6 3 Table 3 provides a cross refer...

Page 13: ...seconds INT 300 seconds MAX 400 seconds 7 0 Testing 7 1 Conduct a full performance test of the trip unit and breaker Primary injection is strongly recommended for newly retrofitted breakers Refer to the etc 12 Section II manual for detailed test procedures and specifications NOTE MicroVersaTrip MicroVersaTrip Epic MicroVersaTrip RMS 9 MicroVersaTrip Plus and MicroVersaTrip PM are products of Gener...

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