Square D LR3D14L Data Sheet

Product data sheet

Characteristics

LR3D14L

TeSys LRD thermal overload relays - 7...10 A ­class 20

Main

Range TeSys

Product name TeSys LRD

Product or component type Non differential thermal overload relay

Device short name LR3D

Relay application Motor protection

Product compatibility LC1D25

Network type AC

Thermal protection adjustment range 7...10 A

[Ui] rated insulation voltage 600 V power circuit conforming to CSA

LC1D18
LC1D38
LC1D12
LC1D09
LC1D32

DC

600 V power circuit conforming to UL
690 V power circuit conforming to IEC 60947-4-1

Complementary

Network frequency 0...400 Hz

Mounting support Plate with specific accessories

Tripping threshold 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1

[Ith] conventional free air thermal
current

Permissible current 3 A at 120 V AC-15 for signalling circuit

[Ue] rated operational voltage 690 V AC 0...400 Hz

Associated fuse rating 20 A gG

Sep 12, 2017

Rail with specific accessories
Under contactor

5 A for signalling circuit

0.22 A at 125 V DC-13 for signalling circuit

12 A aM

Disclaimer: 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

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20 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 Red push-button stop

Temperature compensation -20...60 °C

Connections - terminals Control circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness: flexible - without cable

Tightening torque Control circuit : 1.7 N.m - on screw clamp terminals

Width 45 mm

Depth 76.1 mm

Product weight 0.144 kg

Blue push-button for reset mode

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: solid - without cable
end
Power circuit : screw clamp terminals 1 cable(s) 1.5...10 mm² - cable stiffness: flexible - without cable
end
Power circuit : screw clamp terminals 1 cable(s) 1...4 mm² - cable stiffness: flexible - with cable end
Power circuit : screw clamp terminals 1 cable(s) 1...6 mm² - cable stiffness: solid - without cable end

Power circuit : 1.7 N.m - on screw clamp terminals

Environment

Protective treatment TH conforming to IEC 60068

IP degree of protection IP20 conforming to IEC 60529

Ambient air temperature for operation Without derating conforming to IEC 60947-4-1

Ambient air temperature for storage -60...70 °C

Mechanical robustness Vibrations 3 Gn IEC 60068-2-6

Dielectric strength 6 kV at 50 Hz conforming to IEC 60255-5

Standards CSA C22.2 No 14

Product certifications ABS

Shocks 15 Gn for 11 ms IEC 60068-2-7

EN 60947-5-1
UL 508
ATEX D 94/9/CE
IEC 60947-5-1
IEC 60947-4-1
EN 60947-4-1

CSA
UL
EAC
ATEX INERIS

Offer Sustainability

Sustainable offer status Green Premium product

RoHS (date code: YYWW) Compliant - since 1338 - Schneider Electric declaration of conformity

Schneider Electric declaration of conformity

REACh Reference not containing SVHC above the threshold

Reference not containing SVHC above the threshold

Product environmental profile Available

Product end of life instructions Need no specific recycling operations

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