Skip to main content
Schneider Electric LRD3656

Schneider Electric LRD3656

MPNLRD3656
Active

LRD3656 by SQUARE D

$91.44Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →

Specifications

LRD3656 key specifications
ParameterValue
Control typeRed push-button stop Blue push-button reset
Network typeDC AC
Product or component typeDifferential thermal overload relay
Climatic withstandIACS E10
VoltagePower circuit 600 V CSA Power circuit 600 V UL Power circuit 690 V IEC 60947-4-1
[Ue] rated operational voltage690 V AC 0...400 Hz power circuit IEC 60947-4-1
[Uimp] rated impulse withstand voltage6 kV
Permissible current0.95 A 380 V AC-15 signalling circuit 0.06 A 440 V DC-13 signalling circuit
[Ith] conventional free air thermal current5 A signalling circuit
Network frequency0...400 Hz
Phase failure sensitivityTripping current 130 % of Ir on two phase, the last one at 0
IP degree of protectionIP20 conforming to IEC 60529

All specifications

LRD3656 additional specifications
ParameterValue
Mounting supportPlate, with specific accessories Rail, with specific accessories Under contactor
Connection pitch0.7 in (17.5 mm)
Connections - terminalsControl circuit screw clamp terminals 2 0.002...0.004 in² (1...2.5 mm²) flexible without cable end Control circuit screw clamp terminals 2 0.002...0.004 in² (1...2.5 mm²) flexible with cable end Control circuit screw clamp terminals 2 0.002...0.004 in² (1...2.5 mm²) solid without cable end Power circuit lugs-ring terminals
Depth4.8 in (123 mm)
Width2.2 in (55 mm)
Height2.8 in (70 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 EN 50495
RangeTeSys TeSys Deca
CategoryUS10I1222347
Flame retardanceV1 conforming to UL 94
Device short nameLRD
Relay applicationMotor protection
Tightening torqueControl circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Power circuit 53.1 lbf.in (6 N.m) lugs-ring terminals M6
Tripping threshold1.14 +/- 0.06 Ir IEC 60947-4-1
Dielectric strength1.89 kV 50 Hz IEC 60947-1
Mechanical robustnessShocks15 Gn for 11 ms IEC 60068-2-7 Vibrations4 gn IEC 60068-2-6
Associated fuse rating4 A gG for signalling circuit 4 A BS for signalling circuit
Thermal overload classClass 10A IEC 60947-4-1
Temperature compensation-4...140 °F (-20...60 °C)
Auxiliary contact composition1 NO + 1 NC
Ambient air temperature for storage-76...158 °F (-60...70 °C)
Thermal protection adjustment range48...65 A
Ambient air temperature for operation-4...140 °F (-20...60 °C) without derating IEC 60947-4-1
MPN
LRD3656