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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 LR2K0307) is a 3-pole IEC thermal overload relay designed for use with TeSys K contactors. It features integrated bimetallic elements, eliminating the need for…

SKU 3G-OTH-40272

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
LR2K0307
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 K
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 LR2K0307) is a 3-pole IEC thermal overload relay designed for use with TeSys K contactors. It features integrated bimetallic elements, eliminating the need for separate thermal units, and includes a 1NO/1NC auxiliary contact configuration with a maximum signaling circuit voltage rating of 690V AC. The relay provides phase loss sensitivity and utilizes screw clamp terminals for secure wiring connections.

Frequently Asked Questions

What is the SCHNEIDER LR2K0307 overload relay used for?

The SCHNEIDER LR2K0307 is a 3-pole IEC thermal overload relay used to protect motors from overcurrent and phase loss. It integrates bimetallic elements and is designed for use with TeSys K contactors in industrial motor control applications.

What are the specifications of the SCHNEIDER LR2K0307 overload relay?

The SCHNEIDER LR2K0307 features 1NO/1NC auxiliary contacts, a maximum signaling circuit voltage of 690V AC, phase loss sensitivity, and screw clamp terminals. It includes integrated bimetallic elements, so no separate thermal units are required. It is compatible with TeSys K contactors.

Where to buy the SCHNEIDER LR2K0307 overload relay worldwide?

You can source the SCHNEIDER LR2K0307 overload relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your motor protection needs.

How to install the SCHNEIDER LR2K0307 overload relay?

Mount the SCHNEIDER LR2K0307 directly onto a compatible TeSys K contactor using the screw clamp terminals. Ensure the motor full-load current is within the relay's adjustment range. Wire the 1NO/1NC auxiliary contacts into the control circuit for proper overload signaling.

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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