Ge-industrial-solutions ProTrip Conversion Kits AK-1-15 and AK-1-25 User Manual

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

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 m

Adjusting the Flux Shifter With the breaker in the CLOSED position, the gap between the adjustment screw and the trip paddle should be 1/16 inch, as s

SECTION 5. FOUR-WIRE GROUND FAULT OPTION Configuring the Trip Unit See DEH-40034 for detailed instructions for setting up ProTrip trip units. The grou

14SECTION 6. TESTING AND TROUBLE-SHOOTING WARNING: Do not change taps on the current sen-sors or adjust the trip unit settings while the breaker is ca

15 3. Verify that the wiring harness connections to the sensors have the proper polarity (white lead to common, black lead to tap), as shown in the

Figure 18. Cabling diagram for ProTrip™ trip units with ground fault on four-wire loads. 16

These instructions do not cover all details or variations in equipment nor do they provide for every possible contingency that may be met in connec

3TABLE OF CONTENTS SECTION 1. GENERAL INFORMATION...

4LIST OF FIGURES 1. Draw-out primary disconnect fingers ...

5SECTION 1. GENERAL INFORMATION GE Conversion Kit installation is straightforward, but does require careful workmanship and attention to these instruc

SECTION 3. DISASSEMBLING THE BREAKER GE Type AK-1 breakers need not have their front and back frames separated for installation of the conversion kit.

SECTION 4. INSTALLING THE CONVERSION KIT Installing the Current Sensors (CTs) 1. Place the bottom copper bus in the breaker frame and insert the 1/

6. Insert the 3/8-16 x 21/4" bolt, lock washer, and flat washer provided through the top copper bus into the contact arm, as shown in Figure 7.

Mounting the Trip Paddle Install the new trip paddle on the right end of the common trip bar over the draw-out interlock, as shown in Figure 9. Use th

Installing the Flux Shifter Assembly 1. Remove the two 1/4-20 nuts or bolts and washers on the right side of the mechanism that hold the mechanism