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Schneider Electric LRD3312

Schneider Electric LRD3312

MPNLRD3312
Obsolete

LRD3312 by SCHNEIDER ELECTRIC

$102.87Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Specifications

LRD3312 key specifications
ParameterValue
Control typeRed push-button: stop Blue push-button: reset
Network typeDC
Product or component typeDifferential thermal overload relay
Climatic withstandconforming to IACS E10
[Ue] rated operational voltage1000 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
[Uimp] rated impulse withstand voltage6 kV
Permissible current3 A at 120 V AC-15 for signalling circuit 0.22 A at 125 V DC-13 for signalling circuit
[Ith] conventional free air thermal current5 A for signalling circuit
Phase failure sensitivityTripping current 130 % of Ir on two phase, the last one at 0
IP degree of protectionIP20 conforming to IEC 60529
Depth115 mm
Width70 mm

All specifications

LRD3312 additional specifications
ParameterValue
Height81 mm
StandardsEN/IEC 60947-4-1 EN/IEC 60947-5-1 UL 60947-4-1 UL 60947-5-1 CSA C22.2 No 60947-4-1 CSA C22.2 No 60947-5-1 GB/T 14048.4 GB/T 14048.5
RangeTeSys
Device short nameLRD
Relay applicationMotor protection
Tripping threshold1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
Dielectric strength2.2 kV at 50 Hz conforming to IEC 60947-1
Associated fuse rating4 A gG for signalling circuit 4 A BS for signalling circuit
Thermal overload classClass 10A conforming to IEC 60947-4-1
Temperature compensation-20...60 °C
Auxiliary contact composition1 NO + 1 NC
Ambient air temperature for storage-60...70 °C
Thermal protection adjustment range5.5...8 A
Ambient air temperature for operation-20...60 °C without derating conforming to IEC 60947-4-1
MPN
LRD3312