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LRD3353

$76.00

LRD3353 – TeSys LRD, thermal overload relay, 23 to 32 A, class 10A.

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Category

Description

Main
range
TeSys
product name
TeSys LRD
product or component type
Differential thermal overload relay
device short name
LRD
relay application
Motor protection
product compatibility
LC1D80
LC1D95
network type
AC
DC
thermal protection adjustment range
23…32 A
[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
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
[Ith] conventional free air thermal current
5 A for signalling circuit
permissible current
0.72 A at 500 V AC-15 for signalling circuit
0.06 A at 440 V DC-13 for signalling circuit
[Ue] rated operational voltage
690 V AC 0…400 Hz
[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
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
tightening torque
Control circuit: 1.7 N.m – on screw clamp terminals
Power circuit: 9 N.m – on screw clamp terminals
height
123 mm
width
75 mm
depth
121 mm
product weight
0.51 kg

Additional information

Weight 1.09 lbs