Electronic Over Current Relay

Description

Schneider (LT4760M7A) EOCR Electronic Over Current Relay 5~60 A , 200~240 VAC

Model: LT4760M7A

product or component type Electronic over current relay
device short name LT47
device application Protection
relay application Overload Imax > Isetting
Locked rotor, mechanical jamming I > 3 x Isetting
Sensitivity to phase failure
[Us] rated supply voltage 200…240 V AC
thermal protection adjustment range 5~60A
[Ui] rated insulation voltage Power circuit: 600V AC conforming to CSA
Power circuit: 600V AC conforming to UL
Power circuit: 690V AC conforming to IEC 60947-4-1

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 3A for signalling circuit
associated fuse rating 3A gG for signalling circuit
3A BS for signalling circuit
[Uimp] rated impulse withstand voltage 6kV
time range 1…120 s – control type R-time
0.3…30 s – control type O-time
local signalling 1 LED (green)
1 LED (red)
control type automatic: reset
connections – terminals Signalling circuit: screw clamp terminals 1 12.5mm – cable stiffness: flexible with cable end
Signalling circuit: screw clamp terminals 1 12.5mm – cable stiffness: flexible without cable end
Signalling circuit: screw clamp terminals 2 12.5mm – cable stiffness: flexible with cable end
Signalling circuit: screw clamp terminals 2 12.5mm – cable stiffness: flexible without cable end
tightening torque Signalling circuit: 1.7N.m M3.5
height 70.3mm
width 71mm
depth 77.2mm
net weight 0.192kg

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