2.1.4Sensor Pack Input

CHAPTER 2: INSTALLATION

WIRING

FIGURE 2–3: LM10 Control Signal Contacts

Service hint: Remove the bottom terminal block first, using a small screwdriver in either end. The top terminal block can then be removed using a coin or any broad-blade tool.

2.1.4Sensor Pack Input

Connectors S1 and S2 are used to connect to all CT Sensor Packs. 5 A CTs connect via the

Phoenix terminal block.

S1/S2 Pins

Description

1CT phase A

2CT phase B

3CT phase C

4CT phase A common

5CT phase B common

6CT phase C common

2.1.5Wiring Diagram

A typical LM10 wiring diagram is shown below. The relay should be programmed as “Maintained Off” (under “Other Settings”) for momentary start input. See page 4–34for additional details.

LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL

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GE LM10, Motor Protection System instruction manual Sensor Pack Input, Wiring Diagram