LRD086

Manufacturer Part NumberLRD086
DescriptionBIMETALLIC OVERLOAD RELAY 600V 4A IEC
ManufacturerSQUARE D
LRD086 datasheet
 


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Product data sheet
Characteristics
Complementary
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
Connection pitch
Connections - terminals
Tightening torque
Width
Depth
Product weight
Quantity per set
Apr 1, 2012
LRD086
TeSys D thermal overload relays - 2.5...4 A -
class 10A
Main
Range of product
TeSys D thermal overload relays
Product or component
Differential thermal overload relay
type
Device short name
LRD
Relay application
Motor protection
Product compatibility
LC1D09...LC1D38
Network type
AC
DC
Overload tripping class
Class 10A conforming to IEC 60947-4-1
Thermal protection ad-
2.5...4 A
justment range
[Ui] rated insulation
690 V power circuit conforming to IEC 60947-4-1
voltage
600 V power circuit conforming to UL
600 V power circuit conforming to CSA
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
14.5 mm
Power circuit: bars
Power circuit: lugs-ring terminals
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: 2.3 N.m - on bars screw : M4
Power circuit: 2.3 N.m - on lugs-ring terminals screw : M4
Control circuit: 1.7 N.m - on screw clamp terminals
45 mm
70 mm
0.124 kg
Set of 10
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LRD086 Summary of contents

  • Page 1

    ... Temperature compensation Connection pitch Connections - terminals Tightening torque Width Depth Product weight Quantity per set Apr 1, 2012 LRD086 TeSys D thermal overload relays - 2.5... 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 ...