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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 is a 3-pole IEC thermal overload relay designed for use with TeSys K contactors. It features integrated bimetallic elements (no external thermal units required), a…

SKU 3G-OTH-39293

Brand
SCHNEIDER
Item
Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC
Category
IEC Thermal Overload Relays
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SCHNEIDER
Manufacturer Part Number
LR2K0303
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

Technical Documents

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

Product Description

The SCHNEIDER Overload Relay: Thermal Protection is a 3-pole IEC thermal overload relay designed for use with TeSys K contactors. It features integrated bimetallic elements (no external thermal units required), a 1NO/1NC auxiliary contact configuration, and phase loss sensitivity. The signaling circuit is rated for a maximum voltage of 690V AC, and connections are made via screw clamp terminals.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SCHNEIDER Overload Relay LR2K0303 used for?

The SCHNEIDER Overload Relay LR2K0303 provides thermal protection for three-phase motors by monitoring current and preventing overheating. It is designed for use with TeSys K contactors in industrial motor control applications, offering phase loss sensitivity to detect open phases and protect equipment.

What are the specifications of the SCHNEIDER Overload Relay LR2K0303?

The SCHNEIDER Overload Relay LR2K0303 is a 3-pole IEC thermal overload relay with integrated bimetallic elements (no external thermal units required). It features a 1NO/1NC auxiliary contact configuration, phase loss sensitivity, and a signaling circuit rated for 690V AC. Connections use screw clamp terminals.

Where to buy the SCHNEIDER Overload Relay LR2K0303 worldwide?

You can source the SCHNEIDER Overload Relay LR2K0303 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine SCHNEIDER components for motor protection applications.

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

To select the correct SCHNEIDER overload relay for a TeSys K contactor, match the relay's current range to the motor full-load current and ensure the contactor series compatibility. The LR2K0303 is designed specifically for TeSys K models and includes integrated bimetallic elements. Verify voltage ratings and auxiliary contact needs per your control circuit.

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 LR2K0302)
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