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Schneider Electric LR2K0303 Thermal Overload Relay

The TeSys LR2K differential thermal overload relay provides reliable motor protection, conforming to IEC 60947-4-1 class 10A standards. Designed for AC network types up to 400 Hz, it features a thermal overload adjustment range of 0.23 to 0.36 A and rated insulation voltage of 690 V. The relay includes auxiliary contacts, trip indicators, and manual or automatic reset controls, making it suitable for contactor support and industrial motor applications. It complies with UL, cSA, and IEC standards, offering robust protection and ease of integration in automation systems.

Authorized Distributors
Source:DigiKey
Part No:LR2K0303
Stock:0
Inv Date:06-08-2026
Price: Unit price: $78.26
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Part No:LR2K0303
Stock:0
Inv Date:06-09-2026
Price: Unit price: $66.81
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Part No:LR2K0303
Stock:1
Inv Date:06-08-2026
Price: Unit price: $36.08
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Part No:LR2K0303
Stock:0
Inv Date:06-08-2026
Price: Unit price: $81.97
Buy/RFQ:
Part No:LR2K0303
Stock:0
Inv Date:06-08-2026
Price: Unit price: $81.97
Buy/RFQ:

Schneider Electric LR2K0303 Thermal Overload Relay Specifications:

  • Thermal overload adjustment range: 0.23...0.36 A
  • Rated insulation voltage: 690 V conforming to IEC 60947 and BS 4941
  • Network frequency: <= 400 Hz
  • Auxiliary contact: 1NO+1NC
  • Ue rated operational voltage: <= 690 V
  • Current carrying capacity: 6 A for signalling circuit
  • Rated impulse withstand voltage: 6 kV
  • IP protection rating: IP2x
  • Operating temperature: -20°C to +55°C without derating, -30°C to +60°C with derating
  • Dimensions: Height 58mm, Width 45mm, Depth 65mm
  • Weight: 0.145 kg
  • Standards: IEC 60947-4-1, UL, cSA, VDE 0660

Buy the Schneider Electric LR2K – Reliable Overload Protection for Industrial Applications

Enhance your motor protection system with the Schneider Electric LR2K thermal overload relay. Designed for industrial environments, it offers adjustable thermal protection from 0.23 to 0.36 A, conforming to IEC 60947-4-1 standards. With UL and cSA certification, robust construction, auxiliary contacts, trip indicators, and manual or automatic reset options, it ensures reliable operation and easy integration. Ideal for contactor support, this relay minimizes downtime and protects equipment, making it a smart investment for any automation setup.

Order your Schneider Electric Series LR2K thermal overload relay today and ensure dependable motor protection in your industrial systems.

Frequently Asked Questions

Where can I buy Schneider Electric LR2K0303?

You can click on the BUY or RFQ button to purchase LR2K0303 from an authorized Schneider Electric distributor.

How do I troubleshoot issues or seek technical support for part LR2K0303?

You can download the LR2K0303 datasheet or visit the Schneider Electric website for support.

Who is the manufacturer of LR2K0303?

Schneider Electric

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