GE Industrial Solutions ProTrip Trip Units for Low-Voltage User Manual
Page 4
ProTrip™ Trip Units
Table of Contents
ii
Chapter 1. Introduction
1–1 Applications............................................................................................................................................ 1
1–2 General ................................................................................................................................................... 1
1–3 Trip Unit Functions ............................................................................................................................... 1
1–4 Trip Unit Catalog Numbers................................................................................................................... 2
1–5 Rating Plugs ........................................................................................................................................... 3
Ground-Fault Protection ................................................................................................................. 4
1–6 Equipment Interfaces............................................................................................................................. 4
1–7 Trip Unit Information ........................................................................................................................... 4
Trip Unit Label Information .......................................................................................................... 4
Selector Switches.............................................................................................................................. 4
Chapter 2. Trip Unit Setup
2–1 Overview ................................................................................................................................................. 5
2–2 Long-Time Pickup ................................................................................................................................. 5
2–3 Long-Time Delay ................................................................................................................................... 5
2–4 Short-Time Pickup ................................................................................................................................. 6
2–5 Short-Time Delay ................................................................................................................................... 6
2–6 Instantaneous Pickup............................................................................................................................. 6
2–7 Ground-Fault Pickup.............................................................................................................................. 7
2–8 Ground-Fault Delay................................................................................................................................ 7
2–9 Defeatable Ground Fault ....................................................................................................................... 7
Chapter 3. Trip Unit Status
3–1 Target Module ....................................................................................................................................... 8
3–2 Functions ................................................................................................................................................ 8
Trip Targets..................................................................................................................................... 8
Long-Time Pickup Status................................................................................................................ 8
Battery Test ...................................................................................................................................... 8
Health Monitor................................................................................................................................ 8
Chapter 4. Maintenance and Trouble-Shooting
4–1 Trip Unit Removal and Replacement................................................................................................... 9
4–2 Rating Plug Removal and Replacement ............................................................................................... 9
4–3 Target Module Removal and Replacement.......................................................................................... 9
Target Module Battery Replacement ........................................................................................... 10
4–4 High-Current Testing .......................................................................................................................... 10
4–4 Trouble-Shooting Guide...................................................................................................................... 11