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SCHNEIDER Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC - IEC Thermal Overload Relays
SCHNEIDERIEC Thermal Overload Relays

SCHNEIDER Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC

The SCHNEIDER Overload Relay: Thermal Protection (MPN LR2K0301) is a 3-pole IEC thermal overload relay with integrated bimetallic elements, eliminating the need for external thermal units. It features 1NO/1NC…

SKU 3G-OTH-39166

Brand
SCHNEIDER
Item
Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC
Category
IEC Thermal Overload Relays
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Technical Specifications

SCHNEIDER
Manufacturer Part Number
LR2K0301
Type
1NO/1NC, Phase Loss Sensitivity
Poles
3
Compatible Contactors
TeSys K Models
Auxiliary Contact Form
1NO/1NC
Maximum Voltage Rating
690V AC (Signaling Circuit)
Phase Loss Sensitivity
Yes
Thermal Units Required
None (Relay Includes Integrated Bimetallic Elements)
Terminal Connection Type
Screw Clamp Terminals
Compatible Contactor Series
TeSys Deca
View Full Spec Sheet

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SCHNEIDER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SCHNEIDER Overload Relay: Thermal Protection (MPN LR2K0301) is a 3-pole IEC thermal overload relay with integrated bimetallic elements, eliminating the need for external thermal units. It features 1NO/1NC auxiliary contacts, a maximum signaling circuit voltage rating of 690V AC, and phase loss sensitivity. Designed for use with TeSys Deca contactors and compatible with TeSys K models, it connects via screw clamp terminals.

Frequently Asked Questions

What is the SCHNEIDER LR2K0301 overload relay used for?

The SCHNEIDER LR2K0301 is an IEC thermal overload relay that protects motors from overheating and phase loss. It is used in industrial motor control applications with TeSys Deca and TeSys K contactors, providing reliable thermal protection via integrated bimetallic elements.

What are the specifications of the SCHNEIDER LR2K0301 overload relay?

The SCHNEIDER LR2K0301 is a 3-pole thermal overload relay with 1NO/1NC auxiliary contacts, a maximum signaling circuit voltage of 690V AC, and phase loss sensitivity. It includes integrated bimetallic elements, so no external thermal units are needed. Connection is via screw clamp terminals.

Where to buy the SCHNEIDER LR2K0301 overload relay worldwide?

You can source the SCHNEIDER LR2K0301 overload relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine SCHNEIDER components for your motor protection needs.

How to select the correct SCHNEIDER overload relay for a TeSys contactor?

To select the correct SCHNEIDER overload relay, match the relay's compatible contactor series to your contactor model. The LR2K0301 is designed for TeSys Deca and TeSys K contactors. Verify the motor full-load current range and ensure the relay's thermal setting covers it. Always consult the manufacturer's selection guide for precise matching.

Used in

Common applications for SCHNEIDER
Motor starting in conveyor systems — Schneider Altistart ATS 22 soft starters (e.g., ATS22D17S6U) reduce inrush current.
Speed control for industrial pumps — Schneider Altivar ATV320 VFDs (e.g., ATV320U55N4W) provide variable flow regulation.
Machine safety interlocking — Schneider XPSUAF13AP safety relays monitor emergency stop circuits on assembly lines.
Panel-mounted control stations — Schneider XB5 flush push buttons (ZB5AA5) serve as start/stop operators in MCCs.
Heavy-duty motor switching — Schneider LC1G150LSEA contactors handle 150 A loads in compressor and crusher applications.
Emergency stop actuation — Schneider 9001K mushroom-head push buttons (9001KR25R) provide red, momentary stop functions.

SCHNEIDER Products

3G Electric supplies SCHNEIDER iec thermal overload relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SCHNEIDER Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity (MPN LR2K0308). Key specifications — Brand: SCHNEIDER; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: TeSys Deca; Terminal Connection Type: Screw Clamp Terminals; Maximum Voltage Rating: 690V AC (Signaling Circuit); Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: TeSys K Models.
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SCHNEIDER IEC Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity (MPN DPER21). Key specifications — Brand: SCHNEIDER; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: Easy TeSys; Terminal Connection Type: Screw Clamp Terminals; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: TeSys Easy (18 to 32 Amp Models).
SCHNEIDER Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 4 A – 6 A (MPN LRD10). Key specifications — Brand: SCHNEIDER; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: TeSys Deca; Terminal Connection Type: Screw Clamp Terminals; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: TeSys Deca (9 to 38 Amp Models).
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SCHNEIDER Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 48 A – 65 A (MPN LRD365). Key specifications — Brand: SCHNEIDER; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: TeSys Deca; Terminal Connection Type: Screw Clamp Terminals; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: TeSys Deca (50 to 65 Amp Models).
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SCHNEIDER Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Phase Loss Sensitivity, 48 A – 65 A (MPN LRD365). Key specifications — Brand: SCHNEIDER; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: TeSys Deca; Terminal Connection Type: Screw Clamp Terminals; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: Yes; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements); Compatible Contactors: TeSys Deca (50 to 65 Amp Models).