LRD3353
LRD3353 – TeSys LRD, thermal overload relay, 23 to 32 A, class 10A.
$76.00
range |
TeSys
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product name |
TeSys LRD
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product or component type |
Differential thermal overload relay
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device short name |
LRD
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relay application |
Motor protection
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product compatibility |
LC1D80
LC1D95 |
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network type |
AC
DC |
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thermal protection adjustment range |
23…32 A
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[Ui] rated insulation voltage |
Power circuit: 1000 V conforming to IEC 60947-4-1
Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL |
network frequency |
0…400 Hz
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mounting support |
Plate, with specific accessories
Rail, with specific accessories Under contactor |
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tripping threshold |
1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
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[Ith] conventional free air thermal current |
5 A for signalling circuit
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permissible current |
0.72 A at 500 V AC-15 for signalling circuit
0.06 A at 440 V DC-13 for signalling circuit |
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[Ue] rated operational voltage |
690 V AC 0…400 Hz
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[Uimp] rated impulse withstand voltage |
6 kV
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phase failure sensitivity |
Tripping current 130 % of Ir on two phase, the last one at 0
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control type |
Red push-button: stop
Blue push-button: reset |
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temperature compensation |
-20…60 °C
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connections – terminals |
Power circuit: screw clamp terminals 1 cable(s) 4…35 mm² flexible without cable end
Power circuit: screw clamp terminals 1 cable(s) 4…35 mm² flexible with cable end Power circuit: screw clamp terminals 1 cable(s) 4…35 mm² solid without cable end 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 |
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tightening torque |
Control circuit: 1.7 N.m – on screw clamp terminals
Power circuit: 9 N.m – on screw clamp terminals |
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height |
123 mm
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width |
75 mm
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depth |
121 mm
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product weight |
0.51 kg
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