GE
GE 745-W2-P5-G5-HI-A-L-R-E-H Replacement for 745 Series
745-W2-P5-G5-HI-A-L-R-E-HGE 745-W2-P5-G5-HI-A-L-R-E-H replacement & upgrade solution for 745 Series transformer protection relays. Compatible wiring, Modbus/DNP3, 12-month warranty.
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Protection Relay Products
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Source Protection Relay Spares With Model Confirmation
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Browse the manufacturers with published Protection Relay models and send exact part numbers for RFQ checking.
85 Listed Products
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GE
GE Multilin RE400REPJH1ABA Replacement for SR Series
RE400REPJH1ABADrop-in replacement for GE Multilin RE400REPJH1ABA SR Series protection relay. Wiring, comms & panel compatible. 12-month warranty. Ships from Xiamen.
SEL
SEL SEL-547 05470X155XXX2XX Replacement for 547 Series
SEL-547 05470X155XXX2XXSEL SEL-547 05470X155XXX2XX motor protection relay replacement & upgrade solution. Compatible with SEL 547 Series. Drop-in retrofit, 12-month warranty, fast ship.
Omron
OMRON H8PR-8 Replacement Upgrade Solution for H8PR Series
H8PR-8OMRON H8PR-8 programmable 8-output relay module replacement. Compatible upgrade for H8PR Series. In stock, tested, 12-month warranty. Fast global shipping.
Mitsubishi
Mitsubishi CM110YE4-12F Replacement for MR-J Series
CM110YE4-12FCM110YE4-12F drop-in replacement for Mitsubishi MR-J Series servo drives. Verified compatibility, 12-month warranty, fast global shipping from TOPNLMS.
Alstom
Alstom MMLG02R1AA0001E Replacement for MiCOM Series
MMLG02R1AA0001EAlstom MMLG02R1AA0001E MiCOM series relay test block. Drop-in replacement & upgrade solution. Compatible wiring, 12-month warranty, fast global shipping.
ABB
ABB NSD570 Original Industrial Spare NSD570 Series Compatible
NSD570ABB NSD570 original digital teleprotection terminal. NSD570 Series compatible spare for power grid & substation systems. 12-month warranty, tested & ready to ship.
GE
GE Multilin 369-HI-R-M-0-0-H-E Replacement for 369 Series
369-HI-R-M-0-0-H-EDrop-in replacement for GE Multilin 369-HI-R-M-0-0-H-E. Compatible with 369 Series wiring, protocols & panels. 12-month warranty. Fast global shipping.
ABB
ABB SPAU130 C-AA Replacement Solution for SPAU Series
SPAU130 C-AAABB SPAU130 C-AA voltage protection relay replacement for SPAU Series. Compatible upgrade, 12-month warranty, fast global shipping. Minimize downtime.
ABB
ABB EB143887SPER 1C1-AA Original Industrial Spare REF Series Compatible
EB143887SPER 1C1-AAABB EB143887SPER 1C1-AA original trip circuit supervision relay, REF Series. Industrial spare for protection systems. 12-month warranty, tested, fast ship.
GE
GE SR760 760-P1-G1-S1-HI-A20-R Replacement for SR Series
SR760 760-P1-G1-S1-HI-A20-RGE SR760 760-P1-G1-S1-HI-A20-R feeder management relay replacement. SR Series compatible upgrade. 12-month warranty, fast shipping, drop-in retrofit solution.
GE
GE Multilin 750-P5-G5-S5-HI-AI-R-E Original Spare 750 Series
750-P5-G5-S5-HI-AI-R-EBuy GE Multilin 750-P5-G5-S5-HI-AI-R-E original feeder protection relay. 750 Series, Ethernet & analog I/O, 12-month warranty. Fast shipping worldwide.
GE
GE SR469-P5-HI-A20 Replacement for SR469 Series
SR469-P5-HI-A20GE SR469-P5-HI-A20 motor management relay replacement. Compatible upgrade for SR469 series. Wiring, protocol & rack compatible. 12-month warranty. Ships from Xiamen.
Allen-Bradley
Allen-Bradley ABMSR320P Replacement for MSR300 Series
MSR320PDrop-in replacement for Allen-Bradley ABMSR320P MSR300 Series safety relay expansion module. Compatible wiring, DIN rail mount, 12-month warranty. Ships fast.
ABB
ABB 1MRK000508-BDr04 Replacement for REx IED Series
1MRK000508-BDr04ABB 1MRK000508-BDr04 replacement for REx IED Series. Compatible wiring, comms & rack. 12-month warranty. Fast global shipping from stock.
ABB
ABB 1MRK000614-ABr00 Replacement for REC 670 Series
1MRK000614-ABr00ABB 1MRK000614-ABr00 drop-in replacement for REC 670 series. Compatible upgrade, 12-month warranty, fast shipping. Minimize downtime on your protection relay system.
GE
GE Multilin UR 8FH Replacement/Upgrade for UR Series
UR 8FHGE Multilin UR 8FH replacement & upgrade solution for UR Series protection relay systems. Compatible wiring, comms & rack. 12-month warranty. Fast shipping.
ABB
ABB 1MRK002133-ACR02 Replacement for REX521 Series
1MRK002133-ACR02ABB 1MRK002133-ACR02 REX521 analog/digital I/O module. Drop-in replacement, wiring-compatible upgrade. In stock, 12-month warranty, fast global shipping.
GE
GE 239-RTD-AN Original Industrial Spare 239 Series Compatible
239-RTD-ANGE 239-RTD-AN original RTD analog output module for 239 Motor Management Relay. Tested, in-stock, 12-month warranty. Fast worldwide shipping from TOPNLMS.
ABB
ABB 1MRK002247-ARr01 Replacement for RET Series TRM
1MRK002247-ARr01ABB 1MRK002247-ARr01 TRM Module for RET Series. Drop-in replacement, IEC 61850 compatible, 12-month warranty. Fast global shipping from stock.
GE
GE UR6TH Multilin UR Series Replacement Solution
UR6THGE UR6TH Multilin UR Series protection relay replacement & upgrade. Compatible wiring, comms & rack. 12-month warranty. Fast ship from Xiamen.
ABB
ABB REA101-AA Replacement/Upgrade Solution for REA100 Series
REA101-AAABB REA101-AA replacement for REA100 Series. Compatible arc flash detection relay for MV switchgear. Drop-in upgrade, 12-month warranty, fast global shipping.
Schneider Electric
Square D D8430 Replacement/Upgrade for Phase Relay
D8430Square D D8430 drop-in replacement & upgrade. Compatible with legacy Square D phase monitoring systems. SKU D8430. 12-month warranty, tested before dispatch.
ABB
ABB 424K1105 Original Industrial Spare 424 Series Compatible
424K1105ABB 424K1105 synchronism check relay for generator paralleling protection. Original 424 Series industrial spare. Fast shipping, 12-month warranty. Replace aging protection relays with confidence.