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The information provided in this documentation contains general descriptions and/or technical characteristics of the performance of the products contained herein.
This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications.
It is the duty of any such user or integrator to perform the appropriate and complete risk analysis, evaluation and testing of the products with respect to the relevant specific application or use thereof.
Neither Schneider Electric Industries SAS nor any of its affiliates or subsidiaries shall be responsible or liable for misuse of the information contained herein.
Product data sheet
Characteristics
LR3D22L
TeSys LRD thermal overload relays - 17...24 A
- class 20
Main
Range TeSys
Product name TeSys LRD
Product or component
type
Device short name LR3D
Relay application Motor protection
Product compatibility LC1D25
Network type AC
Overload tripping class Class 20 conforming to IEC 60947-4-1
Thermal protection adjustment range
[Ui] rated insulation
voltage
Non differential thermal overload relay
LC1D32
LC1D38
DC
17...24 A
690 V power circuit conforming to IEC 60947-4-1
600 V power circuit conforming to UL
600 V power circuit conforming to CSA
Complementary
Network frequency 0...400 Hz
Mounting support 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 0.22 A at 125 V DC-13 for signalling circuit
[Ue] rated operational voltage 690 V AC 0...400 Hz
Associated fuse rating 50 A BS88
[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 Blue push-button for reset mode
Temperature compensation -20...60 °C
Connections - terminals Power circuit : screw clamp terminals 1 cable(s) 1.5...10 mm² - cable stiffness:
Tightening torque Power circuit : 2.5 N.m - on screw clamp terminals
Width 45 mm
Depth 76.1 mm
Product weight 0.144 kg
Rail with specific accessories
Plate with specific accessories
3 A at 120 V AC-15 for signalling circuit
50 A gG
25 A aM
Red push-button stop
solid - without cable end
Power circuit : screw clamp terminals 1 cable(s) 1...6 mm² - cable stiffness: flexible - with cable end
Power circuit : screw clamp terminals 1 cable(s) 1.5...10 mm² - cable stiffness:
flexible - without cable end
Control circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness:
solid - without cable end
Control circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness:
flexible - with cable end
Control circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness:
flexible - without cable end
Control circuit : 1.7 N.m - on screw clamp terminals
Sep 30, 2016
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Environment
Standards ATEX D 94/9/CE
Product certifications ABS
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
Fire resistance 850 °C conforming to IEC 60695-2-1
Mechanical robustness Vibrations 3 Gn IEC 60068-2-6
Dielectric strength 6 kV at 50 Hz conforming to IEC 60255-5
EN 60947-4-1
EN 60947-5-1
IEC 60947-4-1
IEC 60947-5-1
UL 508
CSA C22.2 No 14
ATEX INERIS
CSA
UL
EAC
Shocks 15 Gn for 11 ms IEC 60068-2-7
Offer Sustainability
Sustainable offer status Not Green Premium product
Product environmental profile Available
Product end of life instructions Need no specific recycling operations
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