LRD103 Schneider Electric Industrial Automation Components

Schneider Electric LRD103 Schneider Electric LRD103 is a differential thermal overload relay designed for direct connection to a contactor with outgoing cables featuring spring-type fast connections for both the upstream and control circuit. This 3-pole device offers Class 10A protection functions and is rated for currents between 4-6 A. It includes protection settings for thermal overload within the same range. The LRD103 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 ranging from 0 to 400Hz, with a minimum operating current of 4 A and a maximum of 6 A.

Part#:LRD103

Manufacturer:Schneider Electric

Product Lifecycle:Active

Get a quick Quote!

Schneider Electric LRD103 is a differential thermal overload relay designed for direct connection to a contactor with outgoing cables featuring spring-type fast connections for both the upstream and control circuit. This 3-pole device offers Class 10A protection functions and is rated for currents between 4-6 A. It includes protection settings for thermal overload within the same range. The LRD103 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 ranging from 0 to 400Hz, with a minimum operating current of 4 A and a maximum of 6 A.

About the manufacturer: Schneider Electric is one of the manufacturers that offers Industrial Automation Components that you can order at marketplace.quotebeam.com. We provide digital solutions for energy and automation that improve efficiency and support sustainability. Our comprehensive solutions include cutting-edge energy technologies, real-time automation, software, and services for residential, commercial, and industrial settings.

Check out the LRD103 Schneider Electric price in the box on the right side or send a quick quote.

Product Details

Product Compatibility
LC1D32 LC1D12 LC1D25 LC1D38 LC1D09 LC1D18
[Ui] Rated Insulation Voltage
Power circuit 600 V CSA Power circuit 600 V UL Power circuit 690 V IEC 60947-4-1
Mounting Support
Plate, with specific accessories Rail, with specific accessories Under contactor
Connections - Terminals
Control circuit spring terminals 1 0.00…0.00 in² (1…2.5 mm²) solid without cable end Control circuit spring terminals 1 0.00…0.00 in² (1…2.5 mm²) flexible without cable end Power circuit spring terminals 1 0.00…0.01 in² (1.5…4 mm²) flexible with
Associated Fuse Rating
4 A gG signalling circuit 4 A BS signalling circuit
Permissible Current
3 A 120 V AC-15 signalling circuit 0.22 A 125 V DC-13 signalling circuit
Network Type
DC AC
Control Type
Red push-button stop Blue push-button reset
Net Weight
0.31 lb(US) (0.14 kg)
Width
1.77 in (45 mm)
Depth
2.83 in (72 mm)
Height
3.66 in (93 mm)
[Uimp] Rated Impulse Withstand Voltage
6 kV
Temperature Compensation
-4…140 °F (-20…60 °C)
Phase Failure Sensitivity
Tripping current 130 % of Ir on two phase, the last one at 0
[Ith] Conventional Free Air Thermal Current
5 A signalling circuit
Auxiliary Contact Composition
1 NO + 1 NC
[Ue] Rated Operational Voltage
690 V AC 0...400 Hz power circuit IEC 60947-4-1
Tripping Threshold
1.14 +/- 0.06 Ir IEC 60947-4-1
Network Frequency
0...400 Hz

Product Name

TeSys LRD

Relay Application

Motor protection

Thermal Overload Class

Class 10A IEC 60947-4-1

Thermal Protection Adjustment Range

4…6 A

Range

TeSys

Device Short Name

LRD

Product Or Component Type

Differential thermal overload relay

Product condition

ORIGINAL PACKAGING

SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging

Relevant products

LRD146

Verified stock: 0

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.

Schneider Electric

This item can ship within 24h!

LRD16

$44.64

Verified stock: 47

Schneider Electric LRD16, 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 both upstream and control circuit connections. It is a 3 Pole device with Class 10A protection functions. The LRD16 is rated for currents between 9-13 A and offers thermal overload protection settings within the same range. It includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts. The rated voltage for phase-to-phase operation is up to 690 V at frequencies from 0 to 400Hz. The minimum operating current is 9 A, and the maximum is 13 A.

Schneider Electric

LRD10L6

Verified stock: 0

Schneider Electric LRD10L6 is a differential thermal overload relay designed for direct connection to a contactor with outgoing cables connected via lugs and a control circuit utilizing screw-clamp connections. This 3-pole device offers protection functions classified as Class 20, with a rated current range of 4-6 A. It features protection settings for thermal overload within the same range. The LRD10L6 includes 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It is rated for a voltage of up to 690 V AC (0-400Hz) between phases, with a minimum operating current of 4 A and a maximum of 6 A.

Schneider Electric

LRD12L

Verified stock: 0

Schneider Electric LRD12L is a differential thermal overload relay designed for direct connection to a contactor and features screw-clamp terminals for both upstream and outgoing cables, as well as the control circuit. This 3-pole device offers protection functions classified under Class 20, with a rated current range of 5.5-8 A. It is equipped with protection settings for thermal overload within the same current range. The LRD12L includes 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It is capable of handling a rated voltage (AC) of up to 690 V at frequencies ranging from 0 to 400Hz, with a minimum operating current of 5.5 A and a maximum of 8 A.

Schneider Electric

This item can ship within 24h!

LRD10

$43.20

Verified stock: 30

Schneider Electric LRD10, 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 outgoing cables in the control circuit. This 3-pole device offers protection functions classified under Class 10A, with a rated current of 4-6 A. It includes protection settings for thermal overload within the range of 4-6A. The LRD10 is equipped with 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It supports a rated voltage (AC) for phase-to-phase connections of up to 690 V (0-400Hz), with a minimum operating current of 4 A and a maximum of 6 A.

Schneider Electric

This item can ship within 24h!

LRD12

$44.64

Verified stock: 17

Schneider Electric LRD12, 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 outgoing cables and the control circuit. This 3-pole device offers Class 10A protection functions with a rated current of 5.5-8 A. It includes protection settings for thermal overload within the range of 5.5-8A. The LRD12 is equipped with 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It supports a rated voltage (AC) phase-to-phase of up to 690 V at frequencies ranging from 0 to 400Hz. The minimum operating current is set at 5.5 A, with a maximum threshold of 8 A.

Schneider Electric

This item can ship within 24h!

LRD14

$44.64

Verified stock: 14

Schneider Electric LRD14, 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 outgoing cables, as well as the control circuit. This 3-pole device offers protection functions classified as Class 10A, with a rated current of 7-10 A. The protection settings for thermal overload are adjustable between 7 to 10A. It includes 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. The rated voltage for AC phase-to-phase, applicable up to 400Hz, is 690 V. The minimum and maximum current settings are 7 A and 10 A, respectively.

Schneider Electric

LRD143

Verified stock: 0

Schneider Electric LRD143 is a differential thermal overload relay designed for direct connection to a contactor with outgoing cables and control circuit connections utilizing spring-type fast connections. This 3-pole device offers protection functions classified under Class 10A, with a rated current range of 7-10 A. It features protection settings for thermal overload within the same range. The LRD143 includes 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It is rated for a voltage of up to 690 V AC (0-400Hz) between phases, with a minimum operating current of 7 A and a maximum of 10 A.

Schneider Electric