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Schneider Electric

LRD1508

LRD1508 Schneider Electric

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Description for LRD1508 Schneider Electric

LRD1508 Schneider Electric - TeSys LRD thermal overload relays - 2.5...4 A - class 20

Extended Description for LRD1508 Schneider Electric

LRD1508 Schneider Electric - TeSys LRD thermal overload relay, 4A/690V, thermal setting range 2.5-4A, tripping class 20, for protection of 3-phase motors 1.1-1.5kW@400V.,Differential device with phase failure and load unbalance detection.,It provides a thermal adjustement dial, a manual-automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling.,Settings are protected by a transparent cover lockable by sealing.,Connection by screw clamp terminals, it connects directly to the bottom terminals of 3-pole contactors LC1D09-D38.,Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LAD7B105 (to be ordered separately).,Multi standards certified (IEC, UL, CSA, Marine), Green Premium compliant (RoHS/REACh).

Free Delivery to UK Mainland on orders over £25

4 available
1 - 2 w.days
£96.91 Exc. VAT
£116.29 Inc. VAT

Direct from Manufacturer

Available on back order
4 - 6 W.Weeks
£33.67 Exc. VAT
£40.40 Inc. VAT

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 LC1D18,LC1D25,LC1D32,LC1D09,LC1D12
Network type DC,AC
Thermal overload class Class 20 conforming to IEC 60947-4-1
Thermal protection adjustment range 2.5…4 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 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 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 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 without cable end,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 without cable end
Tightening torque Control circuit: 1.7 N.m - on screw clamp terminals,Power circuit: 1.85 N.m - on screw clamp terminals
Width 45 mm
Depth 92 mm
net weight 0.19 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
Fire resistance 850 °C conforming to IEC 60695-2-1
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 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
Product certifications IEC,UL,CSA,EAC,DNV-GL,LROS (Lloyds register of shipping),UKCA

Packing Units

Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 7.8 cm
Package 1 Width 9.5 cm
Package 1 Length 5.3 cm
Package 1 Weight 226 g
Unit Type of Package 2 S02
Number of Units in Package 2 25
Package 2 Height 15 cm
Package 2 Width 30 cm
Package 2 Length 40 cm
Package 2 Weight 5.919 kg

Contractual warranty

Warranty 18 months

Documentation

Product Datasheet

User guide

Instruction sheet

Catalogue

CAD

Environmental disclosure

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