LRD12 SQUARE D, LRD12 Datasheet
![Overload Relay](/photos/21/25/212580/4551103_sml.jpg)
LRD12
Manufacturer Part Number
LRD12
Description
Overload Relay
Manufacturer
SQUARE D
Datasheet
1.LRD12.pdf
(2 pages)
Specifications of LRD12
Overload Adjustment Current Min
5.5A
Overload Adjustment Current Max
8A
Release Current Min
5.5A
Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
For Use With
D09 To D32
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
Width
Depth
Product weight
Quantity per set
LRD12
TeSys D thermal overload relays - 5.5...8 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: screw clamp terminals 1 cable(s) 1...6 mm² - cable stiffness: solid -
without cable end
Power circuit: screw clamp terminals 1 cable(s) 1...4 mm² - cable stiffness: flexi-
ble - with cable end
Power circuit: screw clamp terminals 1 cable(s) 1.5...10 mm² - cable stiffness:
flexible - without cable end
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: 1.7 N.m - on screw clamp terminals
Control circuit: 1.7 N.m - on screw clamp terminals
45 mm
70 mm
0.124 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
5.5...8 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
Related parts for LRD12
LRD12 Summary of contents
Page 1
... Phase failure sensitivity Temperature compensation Connections - terminals Tightening torque Width Depth Product weight Quantity per set Mar 30, 2012 LRD12 TeSys D thermal overload relays - 5.5... 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 ...