LRD146 Schneider Electric Industrial Automation Components

Schneider Electric LRD146 Schneider Electric LRD146, part of the LRD sub-range, is a differential thermal overload relay designed for direct connection to a contactor and features screw-clamp terminals for the control circuit. This 3-pole device offers Class 10A protection functions with a rated current of 7-10 A. It includes protection settings for thermal overload within the range of 7-10A. The LRD146 is equipped with 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts. It supports a rated voltage (AC) of up to 690 V at frequencies ranging from 0 to 400Hz. The minimum operating current is 7 A, and the maximum current capacity is 10 A.

Part#:LRD146

Manufacturer:Schneider Electric

Product Lifecycle:Active

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Schneider Electric LRD146, part of the LRD sub-range, is a differential thermal overload relay designed for direct connection to a contactor and features screw-clamp terminals for the control circuit. This 3-pole device offers Class 10A protection functions with a rated current of 7-10 A. It includes protection settings for thermal overload within the range of 7-10A. The LRD146 is equipped with 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts. It supports a rated voltage (AC) of up to 690 V at frequencies ranging from 0 to 400Hz. The minimum operating current is 7 A, and the maximum current capacity is 10 A.

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Product Details

Product Compatibility
LC1D18 LC1D12 LC1D09 LC1D32 LC1D38 LC1D25
Connections - Terminals
Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible without cable end Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible with cable end Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 m
Mounting Support
Plate, with specific accessories Rail, with specific accessories Under contactor
[Ui] Rated Insulation Voltage
Power circuit 600 V CSA Power circuit 600 V UL Power circuit 690 V IEC 60947-4-1
Associated Fuse Rating
4 A gG signalling circuit 4 A BS signalling circuit
Network Type
AC DC
Tightening Torque
Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Power circuit 20.36 lbf.in (2.3 N.m) lugs-ring terminals M4
Permissible Current
3 A 120 V AC-15 signalling circuit 0.22 A 125 V DC-13 signalling circuit
Control Type
Red push-button stop Blue push-button reset
Depth
2.76 in (70 mm)
Width
1.77 in (45 mm)
Net Weight
0.27 lb(US) (0.124 kg)
Temperature Compensation
-4…140 °F (-20…60 °C)
Height
2.60 in (66 mm)
Connection Pitch
0.57 in (14.5 mm)
Phase Failure Sensitivity
Tripping current 130 % of Ir on two phase, the last one at 0
[Uimp] Rated Impulse Withstand Voltage
6 kV
[Ue] Rated Operational Voltage
690 V AC 0...400 Hz power circuit IEC 60947-4-1
Network Frequency
0...400 Hz
[Ith] Conventional Free Air Thermal Current
5 A signalling circuit

Auxiliary Contact Composition

1 NO + 1 NC

Tripping Threshold

1.14 +/- 0.06 Ir IEC 60947-4-1

Thermal Protection Adjustment Range

7…10 A

Thermal Overload Class

Class 10A IEC 60947-4-1

Product Or Component Type

Differential thermal overload relay

Relay Application

Motor protection

Device Short Name

LRD

Product Name

TeSys LRD

Range

TeSys

Product condition

ORIGINAL PACKAGING

SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging

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