LRD053 SQUARE D, LRD053 Datasheet
LRD053
Manufacturer Part Number
LRD053
Description
BIMETALLIC OVERLOAD RELAY 600V 1A IEC
Manufacturer
SQUARE D
Datasheet
1.LRD053.pdf
(2 pages)
Product data sheet
Characteristics
Complementary
Apr 1, 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
Width
Depth
Product weight
Quantity per set
LRD053
TeSys D thermal overload relays - 0.63...1 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
0.22 A at 125 V DC-13 for power circuit
3 A at 120 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
Power circuit: spring terminals 1 cable(s) 1.5...4 mm² - cable stiffness: flexible -
with cable end
Power circuit: spring terminals 1 cable(s) 1.5...4 mm² - cable stiffness: flexible -
without cable end
Control circuit: spring terminals 1 cable(s) 1...2.5 mm² - cable stiffness: flexible -
without cable end
Control circuit: spring terminals 1 cable(s) 1...2.5 mm² - cable stiffness: solid -
without cable end
45 mm
66 mm
0.140 kg
Set of 10
TeSys D thermal overload relays
Differential thermal overload relay
LRD
Motor protection
LC1D09...LC1D38
AC
DC
Class 10A conforming to IEC 60947-4-1
0.63...1 A
690 V power circuit conforming to IEC 60947-4-1
600 V power circuit conforming to UL
600 V power circuit conforming to CSA
1
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LRD053 Summary of contents
Page 1
... Phase failure sensitivity Temperature compensation Connections - terminals Width Depth Product weight Quantity per set Apr 1, 2012 LRD053 TeSys D thermal overload relays - 0.63... class 10A Main Range of product TeSys D thermal overload relays Product or component Differential thermal overload relay type ...
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 ...