Schneider-Electric
 
LRD3803 picture- scope
LRD3803
Thermal overload relay,TeSys Deca,62-80A,1NO+1NC,class10A,EverLink springs
Schneider Electric
Characteristics
Main
Range TeSys
TeSys Deca
Product name TeSys LRD
TeSys Deca
Product or component type Differential thermal overload relay
Device short name LRD
Relay application Motor protection
Product compatibility LC1D80A
Network type AC
DC
Thermal overload class Class 10A conforming to IEC 60947-4-1
Thermal protection adjustment range 62…80 A
[Ui] rated insulation voltage Power circuit: 690 V conforming to IEC 60947-4-1
Power circuit: 600 V conforming to UL 60947-4-1
Power circuit: 600 V conforming to CSA C22.2 No 14
Complementary
Network frequency 0...400 Hz
Mounting support Plate, with terminal block LAD96560 on top
Rail, with terminal block LAD96560 on top
Direct mounting under contactor
Tripping threshold 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
Auxiliary contact composition 1 NO + 1 NC
[Ith] conventional free air thermal current 5 A for signalling circuit
Permissible current 0.95 A at 380 V AC-15 for signalling circuit
0.06 A at 440 V DC-13 for signalling circuit
[Ue] rated operational voltage 690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
Associated fuse rating 4 A gG for signalling circuit
4 A BS for signalling circuit
[Uimp] rated impulse withstand voltage 6 kV
Power dissipation per pole 4.8 W
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: reset
Temperature compensation -20…60 °C
Connections - terminals Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² flexible with cable end
Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² solid
Control circuit: spring terminals 1 cable(s) 1…2.5 mm² solid
Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² flexible
Power circuit: direct terminal link on top
Control circuit: spring terminals 1 cable(s) 1…2.5 mm² flexible
Tightening torque Power circuit: 5 N.m - on EverLink BTR screw connectors - cable 25 mm²
Power circuit: 8 N.m - on EverLink BTR screw connectors - cable 35 mm²
Height 70 mm
Width 55 mm
Depth 123 mm
Net weight 0.375 kg
Environment
Climatic withstand Conforming to IACS E10
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 Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
Vibrations: 3 GN conforming to IEC 60068-2-6
Dielectric strength 1.89 kV at 50 Hz conforming to IEC 60947-1
Standards EN/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
Product certifications IEC
UL
CSA
CCC
EAC
DNV-GL
RMRS
EU-RO MR
UKCA
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 6.5 cm
Package 1 Width 11.0 cm
Package 1 Length 14.0 cm
Package 1 Weight 425.0 g
Offer Sustainability
Packaging without single use plastic Yes
Packaging made with recycled cardboard Yes
REACh Regulation
print REACh Declaration
REACh free of SVHC Yes
EU RoHS Directive Compliant
print EU RoHS Declaration
Toxic heavy metal free Yes
Mercury free Yes
Sustainable packaging Yes
RoHS exemption information
print Yes
China RoHS Regulation
print China RoHS declaration
Environmental Disclosure
print Product Environmental Profile
Circularity Profile
print End of Life Information
WEEE The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
Take-back No
Carbon footprint (kg CO2 eq, Total Life cycle) 5
Contractual warranty
Warranty 18 months