Mif And Mif Ii Relays - GE Multilin 3 Series Manual

CHAPTER 1: OVERVIEW
Feature
Protection & Thermal Overload: 49,
Control IOC: 50PH, 50PL, 50GH, 50GL, 50NH,
50NL
TOC: 51G, 51N, 51P
Cold Load Pickup: CLP
Breaker Failure: 50BF
Monitoring & Breaker Health
Metering Event Recording
Oscillography 8 samples/cycle
maximum length 24 cycles
Communications Serial (RS232, RS485)
protocols: Modbus RTU
Hardware 2 digital inputs
6 relay outputs
Configurable I/O
Configurable Logic
4 configurable LEDs
2 fixed LEDs
1. For additional features, refer to the 350 Instruction Manual.
Note
3 SERIES RETROFIT – INSTRUCTION MANUAL
1.2

MIF and MIF II relays

Installed Relay
MIFII Digital Feeder Relay
MIF Digital Feeder Relay
MIF and MIF II features are available in 350 relays as described in the table below:
MIF
Thermal Overload: 49(1)
IOC: 50P (2), 50G(2)
TOC: 51G(1), 51P(1)
Autoreclose: 79
Cold Load Pickup: CLP
Breaker Failure to Open
Breaker Health
Event Recording
8 samples/cycle
maximum length 24 cycles
Serial (RS232, RS485)
protocols: Modbus RTU, IEC 60870-5-
103
2 digital inputs
6 digital outputs
Configurable I/O
Configurable Logic
4 configurable LEDs
2 fixed LEDs
The following table describes MIF and MIF II options, and the equivalent 350 options and
order codes. In some cases the 350 options have changed from those available for MIF and
MIF II relays, so read the descriptions carefully.
Order codes are subject to change without notice. See the GE Multilin website at:
www.gegridsolutions.com/multilin
350 Feeder Protection System
MIF II
Thermal Overload: 49
IOC: 50P(2), 50N(2), 50_2, 50G/SG(2)
TOC: 51P, 51N, 51_2, 51G/SG
Other protection: 67G/SG, 32N, VTFF,
27_1, 27X, 59X, 67P, 67N, 46BC, 32,
27P, 59P, 59_2, 59N, 81U(2), 81O(2),
Arc Flash
Autoreclose: 79
Cold Load Pickup: CLP
Breaker Failure: 50BF
Other control: 60CTS, 86, 25
Breaker Health
Event Recording
up to 32 samples per cycle
(user-selectable)
maximum length 192 cycles
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, OPC-UA
10 inputs
7 outputs (2 Form A, 5 Form C)
Configurable I/O
Configurable Logic
10 LEDs (non-programmable LEDs)
12 LEDs (programmable LEDs)
for up-to-date order codes.
MIF AND MIF II RELAYS
Retrofit Relay
1
350
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