239 Relays - GE Multilin 3 Series Manual

CHAPTER 1: OVERVIEW
3 SERIES RETROFIT – INSTRUCTION MANUAL
1.7

239 relays

Installed Relay
239 Motor Protection Relay
239 features are available in 339 relays as described in the table below:
Feature
Protection & Undercurrent/minimum load: 37
Control Motor/load bearing, Overtemperature: 38
Mechanical jam:39
Current unbalance: 46
Stator winding overtemperature: 49
Phase short circuit: 50
Timed overload: 51
Ground fault instantaneous or definite
time: 50G/50N
Alarm relay: 74
Lockout and trip relay: 86/94
Monitoring & Metering
Metering Event Recording
Communications RS485 port
Hardware 2 inputs and 3 fixed inputs.
4 Form C contacts
6 Fixed LEDs
1. The 239 relay with MOD 509 is designed to provide ground directional protection. Similar pro-
tection can be obtained using the 339 relay neutral instantaneous protection using either the
current, voltage, or both.
2. For additional features, refer to the 339 Instruction Manual.
Retrofit Relay
339 Motor Protection System
1
239
Undercurrent: 37
Current Unbalance: 46
Acceleration Time: 48
Thermal Protection: 49
IOC: 50G/SG(1), 50L, 50N(1), 50P(1)
TOC: 51N(1), 51P(1), 51R
Other Protection: 66, 86, 50BF
Metering
Event Recording
USB
Serial (RS485) protocols: Modbus
RTU, DNP 3.0, IEC 60870-5-103
Ethernet protocols: Modbus TCP/IP,
DNP 3.0, IEC 60870-5-104, IEC
61850 GOOSE, IEC 61850
10 inputs
7 outputs (2 Form A, 5 Form C)
Configurable I/O
Configurable Logic
8 configurable and 4 fixed LEDs
10 fixed LED (drawout unit)
12 fixed LEDs (non-drawout unit)
239 RELAYS
2
339
15