LR3D08
TeSys LRD thermal overload relays - 2.5...4 A - class 10A
Main
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range TeSys  
product name TeSys LRD  
product or component type Non differential thermal overload relay  
device short name LR3D  
relay application Motor protection  
product compatibility LC1D09
LC1D12
LC1D18
LC1D25
LC1D32
LC1D38  
network type AC
DC  
thermal protection adjustment range 2.5...4 A  
[Ui] rated insulation voltage 600 V power circuit conforming to CSA
600 V power circuit conforming to UL
690 V power circuit conforming to IEC 60947-4-1  
 
Complementary
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network frequency 0...400 Hz  
mounting support Plate with specific accessories
Rail with specific accessories
Under contactor  
tripping threshold 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1  
[Ith] conventional free air thermal current 5 A for signalling circuit  
permissible current 3 A at 120 V AC-15 for signalling circuit
0.22 A at 125 V DC-13 for signalling circuit  
[Ue] rated operational voltage 690 V AC 0...400 Hz  
[Uimp] rated impulse withstand voltage 6 kV  
phase failure sensitivity Tripping current 130 % of Ir on two phase, the last one at 0  
control type Red push-button stop
Blue push-button for reset mode  
temperature compensation -20...60 °C  
connections - terminals Control circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² flexible without cable end
Control circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² flexible with cable end
Control circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² solid without cable end
Power circuit : screw clamp terminals 1 cable(s) 1.5...10 mm² flexible without cable end
Power circuit : screw clamp terminals 1 cable(s) 1...4 mm² flexible with cable end
Power circuit : screw clamp terminals 1 cable(s) 1...6 mm² solid without cable end  
tightening torque Control circuit : 1.7 N.m on screw clamp terminals
Power circuit : 1.7 N.m on screw clamp terminals  
width 45 mm  
depth 70 mm  
product weight 0.124 kg  
 
Environment
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protective treatment TH conforming to IEC 60068  
IP degree of protection IP20 conforming to IEC 60529  
ambient air temperature for operation -20...60 °C without derating conforming to IEC 60947-4-1  
ambient air temperature for storage -60...70 °C  
flame retardance V1 conforming to UL 94  
mechanical robustness Vibrations 6 Gn IEC 60068-2-6
Shocks 15 Gn for 11 ms IEC 60068-2-7  
dielectric strength 6 kV at 50 Hz conforming to IEC 60255-5  
standards ATEX D 94/9/CE
EN 60947-4-1
EN 60947-5-1
IEC 60947-4-1
IEC 60947-5-1
UL 508
CSA C22.2 No 14  
product certifications ATEX INERIS
BV
CCC
CSA
DNV
GL
GOST
LROS (Lloyds register of shipping)
RINA
UL  
 
Offer Sustainability
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Sustainable offer status Green Premium product  
RoHS (date code: YYWW) Compliant - since 0631 - Schneider Electric declaration of conformity  
REACh Reference not containing SVHC above the threshold  
Product environmental profile Available PDF image  download Product environmental
Product end of life instructions Available PDF image  download End of life manual