Page 1
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
LR3D3555
TeSys D thermal overload relays - 30...40 A class 20
Main
Range of product TeSys D thermal overload relays
Product or component
type
Device short name LR3D
Relay application Motor protection
Product compatibility LC1D80
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
LC1D95
DC
30...40 A
600 V power circuit conforming to UL
600 V power circuit conforming to CSA
1000 V power circuit conforming to IEC 60947-4-1
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
[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
Temperature compensation -30...60 °C
Connections - terminals Control circuit: screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness: sol-
Tightening torque Power circuit: 9 N.m - on screw clamp terminals
Width 75 mm
Depth 121 mm
Product weight 0.535 kg
id - 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
Power circuit: screw clamp terminals 1 cable(s) 4...35 mm² - cable stiffness: solid
- without cable end
Power circuit: screw clamp terminals 1 cable(s) 4...35 mm² - cable stiffness: flexible - with cable end
Power circuit: screw clamp terminals 1 cable(s) 4...35 mm² - cable stiffness: flexible - without cable end
Control circuit: 1.7 N.m - on screw clamp terminals
Mar 9, 2013
1
Page 2
Environment
Standards EN 60947-4-1
Product certifications ATEX INERIS
Protective treatment TH conforming to IEC 60068
IP degree of protection IP2x conforming to VDE 0106
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
Flame retardance V1 conforming to UL 94
Mechanical robustness Shocks 15 Gn for 11 ms IEC 60068-2-7
Dielectric strength 6 kV at 50 Hz conforming to 60255-5
EN 60947-5-1
IEC 60947-4-1
IEC 60947-5-1
UL 508
CSA C22.2 No 14
BV
CCC
CSA
DNV
GL
GOST
RINA
UL
LROS
Vibrations 6 Gn IEC 60068-2-6
Contractual warranty
Period 18 months
2
Loading...