This Application will be decommissioned as of January 7th 2025

LRD318L3 |
Schneider-Electric
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LRD318L3
TeSys Deca thermal overload relays - 12...18 A - class 20
Schneider Electric
Characteristics
Main
Range TeSys
Product name TeSys LRD
TeSys Deca
Product or component type Differential thermal overload relay
Device short name LRD
Relay application Motor protection
Product compatibility LC1D50A
LC1D65A
LC1D40A
Network type DC
AC
Thermal overload class Class 20 conforming to IEC 60947-4-1
Thermal protection adjustment range 12…18 A
[Ui] rated insulation voltage Power circuit: 600 V conforming to CSA
Power circuit: 600 V conforming to UL
Power circuit: 690 V conforming to IEC 60947-4-1
Complementary
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
Auxiliary contact composition 1 NO + 1 NC
[Ith] conventional free air thermal current 5 A for signalling circuit
Permissible current 0.06 A at 440 V DC-13 for signalling circuit
0.75 A at 480 V AC-15 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
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 without cable end
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 without cable end
Control circuit: spring terminals 1 cable(s) 1…2.5 mm² solid without cable end
Control circuit: spring terminals 1 cable(s) 1…2.5 mm² flexible without cable end
Tightening torque Power circuit: 5 N.m - on EverLink BTR screw connectors
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: 4 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
EN 50495
Product certifications IEC
UL
CSA
CCC
EAC
DNV-GL
RMRS
EU-RO MR
LROS (Lloyds register of shipping)
ATEX INERIS
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Offer Sustainability
REACh free of SVHC Yes
EU RoHS Directive Compliant
print EU RoHS Declaration
Toxic heavy metal free Yes
Mercury free Yes
RoHS exemption information
print Yes
China RoHS Regulation
print China RoHS declaration