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Schneider Electric LR2K0304

Differential thermal overload relays, 0.36 to 0.54 A, class 10A

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Schneider Electric LR2K0304 Differential thermal overload relays, 0.36 to 0.54 A, class 10A — Control & HMI
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Product Description

Lifecycle Status:

The differential thermal overload relay is designed for application within the TeSys K range, providing effective motor protection for motors rated at 0.09-0.12 kW at 400V. With a thermal protection adjustment range of 0.36 to 0.54 A, this relay ensures reliable operation under varying load conditions. It features a tripping class of 10A and includes phase unbalance protection. Designation Code: LR2K0304.

This relay is equipped with manual test and reset buttons, an automatic reset function, and auxiliary contacts for trip signaling, enhancing its usability in various installations. The unit is compact, measuring 45 mm in width, and can be directly mounted onto TeSys K contactors, facilitating a streamlined starter assembly.

Additional features include a trip flag indicator and multiple certifications, including IEC, UL, CSA, and more, ensuring compliance with international standards. The robust design allows for operation in ambient temperatures ranging from -20°C to 55°C without derating, and it withstands mechanical shocks up to 10 Gn for 11 ms.

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Offer details

Best offer from:
Trusted supplier — United Kingdom, member since 2021
Availability:
6 pcs.
In-Stock
Updated at: 31-10-2025
Condition:
New Factory Sealed
New Factory Sealed - A brand-new, unused, unopened, undamaged item in its original manufacturer-sealed packaging.
The Seller is responsible for shipping the product and invoicing

Specifications

Product Certifications
UL || CSA || UKCA
Mechanical Robustness
shocks NO contact10 Gn for 11 ms IEC 60068-2-27 || shocks NC contact10 Gn for 11 ms IEC 60068-2-27 || vibrations NO contact2 Gn, 5...300 Hz IEC 60068-2-6 || vibrations NC contact2 Gn, 5...300 Hz IEC 60068-2-6
Standards
IEC 60947 || NF C 63-650 || VDE 0660 || BS 4941
Ambient Air Temperature For Operation
-20-55 °C without derating IEC 60947 || -30-60 °C with derating IEC 60947
Ip Degree Of Protection
IP2X conforming to IEC 60529
Flame Retardance
V1 conforming to UL 94 || requirement 2 conforming to NF F 16-101 || requirement 2 conforming to NF F 16-102

Available Offers

(5)
LR2K0304 Schneider Electric, Control & HMI

Schneider Electric

Available:
1 pc.
On Request
Updated at: 22-08-2026
Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
LR2K0304 Schneider Electric, Control & HMI

Schneider Electric

Available:
3 pcs.
In-Stock
Updated at: 11-09-2026
Offer from:
Trusted supplier — Poland, member since 2023, 50–99 employees
Warranty:
24 months
LR2K0304 Schneider Electric, Control & HMI

Schneider Electric

Available:
0 pcs.
On Request
Updated at: 11-09-2026
Offer from:
Trusted supplier — Germany, member since 2024

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Documents

Data Sheet

Datasheet for Schneider Electric LR2K0304, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

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