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Schneider Electric

LT4760BS

LT4760BS Schneider Electric

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Description for LT4760BS Schneider Electric

LT4760BS Schneider Electric - TeSys LT47 electronic over current relays - manual - 5...60 A - 24 V AC/DC

Extended Description for LT4760BS Schneider Electric

LT4760BS Schneider Electric - TeSys LR47 electronic overcurrent relay, 60A/690V, with manual reset, to be supplied with 24V AC/DC, for protection of motors with a rated current 5-50A.,It provides 3 dials to adjust the protection, LOAD (5-60A) for the overcurrent level, O-TIME (0.3-10sec) for the acceptable duration of the overcurrent, D-TIME (0.5-30sec) for the starting duration.,In addition, the device trips when there is a missing phase during more than O-TIME.,The device has a reset button, a test/stop button, 2 LED indicators (Run/Trip), 2 auxiliary contacts 1NO+1NC for fault signalling.,Settings can be locked by sealing the transparent cover.,DIN rail mounting, without power terminals (currents monitored by 2 current transformers crossed by the motor cables).,Multi standards certified (IEC, UL, CSA, CCC, EAC), it conforms to RoHS/REACh regulation.

Free Delivery to UK Mainland on orders over £25

Direct from Manufacturer

Available on back order
4 - 6 W.Weeks
£44.68 Exc. VAT
£53.61 Inc. VAT

Main

Range TeSys
Product name TeSys LT
product or component type Electronic over current relay
Device short name LT47
device application Protection
Relay application Overload Imax > Isetting,Sensitivity to phase failure,Locked rotor, mechanical jamming I > 3 x Isetting
[Us] rated supply voltage 24 V AC,24 V DC
Thermal protection adjustment range 5…60 A
[Ui] rated insulation voltage Power circuit: 600 V AC conforming to CSA,Power circuit: 600 V AC conforming to UL,Power circuit: 690 V AC conforming to IEC 60947-4-1

Complementary

Network frequency 50...60 Hz
Mounting support Rail
Tripping threshold 5...50 A
Electromagnetic compatibility Resistance to electrostatic discharge: 8 kV in open air conforming to IEC 61000-4-2,Resistance to electrostatic discharge: 6 kV in direct mode conforming to IEC 61000-4-2,Conducted emission: class A conforming to EN 55011,Immunity to electromagnetic interference: 10 V/m conforming to IEC 61000-4-3,Immunity to fast transients: 2 kV conforming to IEC 61000-4-4,Surge withstand: 6 kV conforming to IEC 61000-4-5,Conducted HF disturbances: 10 V conforming to IEC 61000-4-6
Auxiliary contact composition 1 NO + 1 NC
[Ith] conventional free air thermal current 3 A for signalling circuit
Associated fuse rating 3 A gG for signalling circuit,3 A BS for signalling circuit
[Uimp] rated impulse withstand voltage 6 kV
Time range 0.5..30 s - control type D-time,0.3...10 s - control type O-time
Local signalling 1 LED (green) ,1 LED (red)
Control type push-button: reset, electrical: reset
Connections - terminals Signalling circuit: screw clamp terminals 1 1…2.5 mm² - cable stiffness: flexible with cable end,Signalling circuit: screw clamp terminals 1 1…2.5 mm² - cable stiffness: flexible without cable end,Signalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible with cable end,Signalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible without cable end
Tightening torque Signalling circuit: 1.7 N.m M3.5
Height 70.3 mm
Width 71 mm
Depth 77.2 mm
net weight 0.192 kg

Environment

Standards IEC 60947,IEC 60255-6
Product certifications CSA,UL
Protective treatment TH conforming to IEC 60068
IP degree of protection IP20 conforming to IEC 60529,IP20 conforming to VDE 0106
Ambient air temperature for operation -25…60 °C without derating conforming to IEC 60947-4-1
Ambient air temperature for storage -30…80 °C
Operating altitude 2000 m
Mechanical robustness Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7,Vibrations: 4 gn conforming to IEC 60068-2-6
Dielectric strength 2 kV at 50 Hz conforming to IEC 60255-5

Packing Units

Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 7 cm
Package 1 Width 8 cm
Package 1 Length 8.7 cm
Package 1 Weight 191 g
Unit Type of Package 2 S02
Number of Units in Package 2 16
Package 2 Height 15 cm
Package 2 Width 30 cm
Package 2 Length 40 cm
Package 2 Weight 3.525 kg

Contractual warranty

Warranty 18 months

Documentation

Product Datasheet

Instruction sheet

Catalogue

CAD

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