GE 845EP5H5G5HNNALAMMPTB3ECNB4 Multilin 845 Transformer Protection Relay

Features
 • Comprehensive transformer protection including fast operating differential protection, unique CT saturation and directional detection for enhanced security during through faults
 • Advanced transformer monitoring & diagnostics and disturbance recording extending asset life
 • Integrated protection & Dissolved Gas Analysis for continuous transformer monitoring, providing early warning of potential problems before they become critical transformer failures
 • Integrated arc flash detection using light sensors supervised by over current to reduce incident energy and equipment damage
 • Advanced cyber security tools such as AAA, Radius, RBAC, and Syslog enabling NERC® CIP requirements
 • Draw-out design simplifies testing, commissioning and maintenance, thereby increasing process uptime
 • Optional Wi-Fi connectivity minimizes system configuration and facilitates safe relay programming and diagnostic retrieval
 • Patented environmental monitoring, providing visibility to changes in environmental conditions that can affect relay life

Applications
 • Primary protection and management of small, medium and larger power and distribution transformers, autotransformers and reactors
 • Designed for Utility (Transmission & Distribution) or Industrial applications
 • Integrated transformer protection, monitoring diagnostics and transformer health visualization

Specifications

GE Multilin 845 Transformer Protection Relay - 845-E-P5-H5-G5-H-N-N-A-L-A-M-M-P-T-B-3E-C-N-B-4
E - Standard
P5 - 5A three-phase currents (J1) with voltage (J2)
H5 - 5A three-phase inputs (K1) - two windings with voltage
G5 - 5A ground inputs
H - 110 - 250 Vdc/110 - 230 Vac
N - None
N - None
A - 2 Form A Relays, 3 Form C Relays, 7 Digital Inputs (Int/Ext Supply)
L - 7 DcmA O/P, 4 DcmA I/P, 1 RTD
A - 2 Form A Relays, 3 Form C Relays, 7 Digital Inputs (Int/Ext Supply)
M - Membrane Front Panel
M - Standard = Basic + 50_2(2), 51_2(2), RGF(2)
P - Advance = Standard + 24, 25, 32, 55, 59_2, 81R
T - Advanced HMI = Standard + Tab PBs, Annunciator Panel, Configurable SLDs with Bay Control
B - Basic = Breakers Coil Monitoring, Breaker Arcing, Harmonics, THD, Demand, Trip Counters, Harmonic Derating Factor
3E - Advanced + PRP + HSR + IEC 61850 (HSR only for 4.1X and above)
C - RJ45, Copper 10/100M - With 1E to 3E, the user gets 2x RJ45 ports, RJ45 ports 1 and 2 are disabled. With 4E user gets 4x RJ45 Ports
N - None
B - Basic
4 - Firmware 4.10

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