LRD3353 SQUARE D, LRD3353 Datasheet
LRD3353
Manufacturer Part Number
LRD3353
Description
Overload Relay
Manufacturer
SQUARE D
Datasheet
1.LRD3353.pdf
(2 pages)
Specifications of LRD3353
Overload Adjustment Current Min
23A
Overload Adjustment Current Max
32A
Release Current Min
23A
Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
For Use With
D40-D80
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Product data sheet
Characteristics
Complementary
Mar 30, 2012
Network frequency
Mounting support
Tripping threshold
[Ith] conventional free air thermal current
Permissible current
[Ue] rated operational voltage
[Uimp] rated impulse withstand voltage
Phase failure sensitivity
Temperature compensation
Connections - terminals
Tightening torque
Height
Width
Depth
Product weight
Quantity per set
LRD3353
TeSys D thermal overload relays - 23...32 A -
class 10A
Main
Range of product
Product or component
type
Device short name
Relay application
Product compatibility
Network type
Overload tripping class
Thermal protection ad-
justment range
[Ui] rated insulation
voltage
0...400 Hz
Under contactor
1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
5 A for signalling circuit
0.06 A at 440 V DC-13 for power circuit
0.72 A at 500 V AC-15 for power circuit
690 V
6 kV
Tripping current 130 % of Ir on two phase, the last one at 0
-30...60 °C
Control circuit: screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness: sol-
id - without cable end
Control circuit: screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness:
flexible - with cable end
Control circuit: screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness:
flexible - without cable end
Power circuit: screw clamp terminals 1 cable(s) 4...35 mm² - cable stiffness: solid
- without cable end
Power circuit: screw clamp terminals 1 cable(s) 4...35 mm² - cable stiffness: flexi-
ble - with cable end
Power circuit: screw clamp terminals 1 cable(s) 4...35 mm² - cable stiffness: flexi-
ble - without cable end
Power circuit: 9 N.m - on screw clamp terminals
Control circuit: 1.7 N.m - on screw clamp terminals
123 mm
75 mm
121 mm
0.51 kg
Set of 10
TeSys D thermal overload relays
Differential thermal overload relay
LRD
Motor protection
LC1D80
LC1D95
AC
DC
Class 10A conforming to IEC 60947-4-1
23...32 A
600 V power circuit conforming to UL
600 V power circuit conforming to CSA
1000 V power circuit conforming to IEC 60947-4-1
1
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LRD3353 Summary of contents
Page 1
... Phase failure sensitivity Temperature compensation Connections - terminals Tightening torque Height Width Depth Product weight Quantity per set Mar 30, 2012 LRD3353 TeSys D thermal overload relays - 23... class 10A Main Range of product TeSys D thermal overload relays Product or component Differential thermal overload relay type Device short name ...
Page 2
Environment Standards Product certifications Protective treatment IP degree of protection Ambient air temperature for operation Ambient air temperature for storage Fire resistance Flame retardance Mechanical robustness Dielectric strength 2 CSA C22 60947-4-1 EN 60947-5-1 IEC 60947-4-1 IEC ...