Schneider-Electric
 
LRD21 picture- web-product-data-sheet
LRD21
Thermal overload relay, TeSys LRD, 12...18 A, class 10A
Schneider Electric
Characteristics
Main
Range TeSys
Product name TeSys LRD
Product or component type Differential thermal overload relay
Device short name LRD
Relay application Motor protection
Product compatibility LC1D32
LC1D18
LC1D25
LC1D38
Network type AC
DC
Thermal overload class Class 10A
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
[Ith] conventional free air thermal current 5 A for signalling circuit
Permissible current 1.5 A at 240 V AC-15 for signalling circuit
0.1 A at 250 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: reset
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
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
Tightening torque Control circuit: 1.7 N.m - on screw clamp terminals
Power circuit: 2.5 N.m - on screw clamp terminals
Width 45 mm
Depth 70 mm
Net weight 0.124 kg
Environment
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 conforming to IEC 60068-2-6
Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
Dielectric strength 6 kV at 50 Hz conforming to IEC 60255-5
Standards UL 508
IEC 60947-4-1
ATEX D 94/9/CE
IEC 60947-5-1
EN 60947-5-1
CSA C22.2 No 14
EN 60947-4-1
Product certifications GOST
RINA
UL
GL
CCC
BV
LROS (Lloyds register of shipping)
ATEX INERIS
CSA
DNV
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Weight 147 g
Package 1 Height 5 cm
Package 1 width 7.8 cm
Package 1 Length 8.8 cm
Unit Type of Package 2 S02
Number of Units in Package 2 24
Package 2 Weight 3.842 kg
Package 2 Height 15 cm
Package 2 width 30 cm
Package 2 Length 40 cm
Unit Type of Package 3 P06
Number of Units in Package 3 384
Package 3 Weight 72.228 kg
Package 3 Height 80 cm
Package 3 width 80 cm
Package 3 Length 60 cm
Offer Sustainability
Sustainable offer status Green Premium product
REACh free of SVHC Yes
EU RoHS Directive Compliant
print EU RoHS Declaration
Mercury free 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
Contractual warranty
Warranty 18 months