Ge-industrial-solutions ProTrip Conversion Kits DB-15 Bedienungsanleitung

INTRODUCTION GE Conversion Kits are designed for upgrading existing Westinghouse® low-voltage power circuit breakers, rather than replacing the entire

Installing the Flux Shifter Mounting Bracket 1. Before the flux shifter assembly, shown in Figure 12, can be mounted on the breaker frame, a clearan

Adjusting the Flux Shifter With the breaker in the CLOSED position, the gap between the adjustment screw and the end of the flux shifter should be 1/1

Installing the Trip Unit 1. Place a lock washer and flat washer over each of the three 1/4-20 x 13/8" screws provided and insert through the mo

Configuring the Trip Unit See DEH-40034 for detailed instructions for setting up ProTrip trip units. Completing the Breaker Assembly On draw-out break

SECTION 5. FOUR-WIRE GROUND FAULT OPTION The ground fault option for four-wire installations requires the installation of an additional current sensor

15SECTION 6. TESTING AND TROUBLE-SHOOTING WARNING: Do not change taps on the current sensors or adjust the trip unit settings while the breaker is car

as indicated in Figure 22. In particular, check the following: a. Verify that the neutral sensor has the same rating and tap setting as the phase sens

Figure 22. Cabling diagram for ProTrip™ trip units with ground fault on four-wire loads. 17

NOTES

TABLE OF CONTENTS SECTION 1. GENERAL INFORMATION...

g GE Industrial Systems General Electric Company 41 Woodford Ave., Plainville, CT 06062 DEH40030 R02 0899 © 1999 General Electr

LIST OF FIGURES 1. Westinghouse DB-15 breaker ready for conversion...

4SECTION 1. GENERAL INFORMATION GE Conversion Kit installation is straightforward, but does require careful workmanship and attention to these instruc

SECTION 3. DISASSEMBLING THE BREAKER A Westinghouse® DB-15 breaker conversion consists of removing certain breaker components and replacing some of th

Figure 4. Westinghouse electromechanical trip units removed from the breaker. 4. Remove and discard the three electromechanical trip units, shown i

SECTION 4. INSTALLING THE CONVERSION KIT Installing the Phase Sensors (CTs) Each of the Westinghouse® DB-15 conversion kit phase sensors (CTs) must be

5. Tighten the 1/2-13 x 11/2" CT assembly bolts inserted in step 3 to 300 in-lb, as shown in Figure 9. Tighten the 3/8-16 x 11/4" bolts in

Installing the Trip Paddle Mount the new trip paddle on the right side of the common trip bar, as shown in Figure 11. Insert the provided 8-32 x 1/2&q