LRD325 Schneider Electric Industrial Automation Components

Schneider Electric LRD325 Schneider Electric LRD325, part of the LRD sub-range, is a differential thermal overload relay designed for direct connection to a contactor and features screw-clamp connections for both upstream and control circuit wiring. This 3-pole device offers Class 10A protection functions with a rated current range of 17-25 A. It includes protection settings for thermal overload within the same range. The LRD325 is equipped with 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts. It supports a rated voltage (AC) phase-to-phase of up to 690 V at frequencies from 0 to 400Hz, with a minimum operating current of 17 A and a maximum of 25 A.

Part#:LRD325

Manufacturer:Schneider Electric

Product Lifecycle:Active

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Schneider Electric LRD325, part of the LRD sub-range, is a differential thermal overload relay designed for direct connection to a contactor and features screw-clamp connections for both upstream and control circuit wiring. This 3-pole device offers Class 10A protection functions with a rated current range of 17-25 A. It includes protection settings for thermal overload within the same range. The LRD325 is equipped with 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts. It supports a rated voltage (AC) phase-to-phase of up to 690 V at frequencies from 0 to 400Hz, with a minimum operating current of 17 A and a maximum of 25 A.

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Product Details

Mounting Support
Plate, with specific accessories Rail, with specific accessories Under contactor
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
[Ui] Rated Insulation Voltage
Power circuit 600 V CSA Power circuit 600 V UL Power circuit 690 V IEC 60947-4-1
Product Compatibility
LC1D40A LC1D65A LC1D50A
Tightening Torque
Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Power circuit 44.25 lbf.in (5 N.m) EverLink BTR screw connectors
Network Type
DC AC
Permissible Current
0.95 A 380 V AC-15 signalling circuit 0.06 A 440 V DC-13 signalling circuit
Associated Fuse Rating
4 A gG signalling circuit 4 A BS signalling circuit
Control Type
Red push-button stop Blue push-button reset
Width
2.17 in (55 mm)
Net Weight
0.83 lb(US) (0.375 kg)
Depth
4.84 in (123 mm)
Height
2.76 in (70 mm)
Temperature Compensation
-4…140 °F (-20…60 °C)
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
Auxiliary Contact Composition
1 NO + 1 NC
[Ith] Conventional Free Air Thermal Current
5 A signalling circuit
Tripping Threshold
1.14 +/- 0.06 Ir IEC 60947-4-1

Network Frequency

0...400 Hz

Thermal Overload Class

Class 10A IEC 60947-4-1

Relay Application

Motor protection

Product Or Component Type

Differential thermal overload relay

Device Short Name

LRD

Thermal Protection Adjustment Range

17…25 A

Range

TeSys

Product Name

TeSys LRD

Product condition

ORIGINAL PACKAGING

SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging

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