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Schneider Electric LR9G225

LR9G225 TeSys LRG9G225 Electronic Overload Relay, 57-225 A,

MPNLR9G225
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Schneider Electric TeSys LRG9G225 electronic thermal overload relay, dark grey, 57-225 A adjustment range, ground fault and phase loss protection, 1000 V AC rated operational voltage.

$254.00Ref. price · indicative, final on quote
Schneider Electric LR9G225 datasheet (PDF)
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MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Specifications

LR9G225 key specifications
ParameterValue
Network typeAC
Protection typeGround fault protection 0...1 s - alarm circuit IEC 60947-4-1 Ground fault protection 0...1 s - alarm circuit UL 60947-4-1 Phase loss 0...4 s - alarm circuit Phase imbalance 0...5 s - alarm circuit IEC 60947-4-1 Phase imbalance 0...5 s - alarm circuit UL 60947-4-1
Product or component typeElectronic thermal overload relay
Contacts type and composition1 NO + 1 NC
Surge withstand4 kV
Coil voltage24...500 V AC 50/60 Hz 24...250 V DC
[Ue] rated operational voltage1000 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage8 kV
[Ith] conventional free air thermal current5 A
Network frequency30...60 Hz 100 Hz
IP degree of protectionIP2X front face with shrouds IEC 60529 IP2X front face with shrouds VDE 0106
Mounting supportDirect on contactor Plate

All specifications

LR9G225 additional specifications
ParameterValue
Connections - terminalsPower circuit: bar - busbar cross section: 25 x 6 mm Power circuit: lugs-ring terminals 1 0.3 in² (185 mm²) Control circuit: push-in 1 0.0003...0.004 in² (0.2...2.5 mm²) - cable stiffness: solid stranded without cable end Control circuit: push-in 1 0.0004...0.004 in² (0.25...2.5 mm²) - cable stiffness: flexible with cable end Control circuit: push-in 2 0.0008...0.002 in² (0.5...1.0 mm²) with cable end
ColorDark grey
Depth5.0 in (126 mm)
Width4.1 in (105 mm)
Height4.2 in (107 mm)
Mechanical durability7000 cycles
StandardsEN/IEC 60947-4-1 EN/IEC 60947-5-1 UL 60947-4-1 CSA C22.2 No 60947-4-1 JIS C8201-4-1 JIS C8201-5-1 IEC 60335-1:Clause 30.2 IEC 60335-2-40:Annex JJ UL 60335-2-40:Annex JJ UL 60335-1
RangeTeSys
ResetAutomatic reset Manual
CategoryUS10I1222330
Local signallingLED Trip indicator
Device short nameLR9G
Relay applicationMotor protection
Tightening torque18 N.m
Tripping threshold1.125 +/- 0.07 In IEC 60947-4-1
Overvoltage categoryIII
Protective treatmentTH
Mechanical robustnessVibrations 5...300 Hz 6 gn contactor open Shocks 15 gn 11 ms contactor closed
Thermal overload classClass 5E...30E IEC 60947-4-1
Adjustment of dial setting-13...140 °F (-25...60 °C)
Electromagnetic compatibilityEMC immunity conforming to IEC 60947-4-1 Emission tests criteria A conforming to IEC 60947-4-1 Immunity to radiated radio-electrical interference - test level: 20 V/m conforming to EN/IEC 61000-4-3 Voltage dips and interruptions immunity test conforming to SEMI F47
Ambient air temperature for storage-76...176 °F (-60...80 °C)
Thermal protection adjustment range57...225 A
Ambient air temperature for operation-13...140 °F (-25...60 °C)
Permissible ambient air temperature around the device-40...140 °F (-40...60 °C) at Uc

Product details

Mounting & Connections

The LR9G225: Mounts directly on TeSys contactors or on a plate. Power terminals accept bar busbar up to 25 x 6 mm or ring terminals up to 185 mm². Control circuit uses push-in terminals for 0.2-2.5 mm² solid/stranded or 0.25-2.5 mm² flexible with ferrule. Tightening torque 18 N·m on power connections. IP2X with shrouds fitted. Mechanical durability rated at 7000 cycles.

Lifecycle status is current. Standards compliance includes UL 60947-4-1, CSA C22.2 No 60947-4-1, EN/IEC 60947-4-1, JIS C8201-4-1.

Frequently asked questions

What are the key protection functions of the LR9G225?

It provides ground fault protection (0-1 s delay), phase loss protection (0-4 s delay), and phase imbalance protection (0-5 s delay), configurable per IEC 60947-4-1.

What compliance documentation is available for the LR9G225?

The relay is listed to UL 60947-4-1, CSA C22.2 No 60947-4-1, EN/IEC 60947-4-1, and JIS C8201-4-1. It also meets IEC 60335-1 Clause 30.2 and UL 60335-2-40 Annex JJ for heat and fire resistance.

MPN
LR9G225