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Schneider Electric LT4730BA

Schneider Electric LT4730BA

MPNLT4730BA
Active

Electronic over current relays, TeSys LT47, automatic, 3 to 30A, 24VAC/DC

$36.83Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LT4730BA key specifications
ParameterValue
Control typeautomatic: reset
Product or component typeElectronic overcurrent relay
Supply voltage24 V AC 24 V DC
VoltagePower 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
[Uimp] rated impulse withstand voltage6 kV
[Ith] conventional free air thermal current3 A for signalling circuit
Network frequency50...60 Hz
IP degree of protectionIP20 conforming to IEC 60529 IP20 conforming to VDE 0106
Mounting supportRail
Connections - terminalsSignalling 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
Operating altitude2000 m
Depth77.2 mm

All specifications

LT4730BA additional specifications
ParameterValue
Width71 mm
Height70.3 mm
Product weight0.192 kg
StandardsIEC 60255-6 IEC 60947
RangeTeSys
Time range1...120 s - control type R-time 0.3...30 s - control type O-time
Local signalling1 LED (green) 1 LED (red)
Device short nameLT47
Relay applicationLocked rotor, mechanical jamming I > 3 x Isetting Overload Imax > Isetting Sensitivity to phase failure
Tightening torqueSignalling circuit: 1.7 N.m M3.5
Device applicationProtection
Tripping threshold3...25 A
Dielectric strength2 kV at 50 Hz conforming to IEC 60255-5
Protective treatmentTH conforming to IEC 60068
Mechanical robustnessShocks: 15 Gn for 11 ms conforming to IEC 60068-2-7 Vibrations: 4 gn conforming to IEC 60068-2-6
Associated fuse rating3 A gG for signalling circuit 3 A BS for signalling circuit
Auxiliary contact composition1 NO + 1 NC
Electromagnetic compatibilityResistance 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
Ambient air temperature for storage-30...80 °C
Thermal protection adjustment range3...30 A
Ambient air temperature for operation-25...60 °C without derating conforming to IEC 60947-4-1
MPN
LT4730BA