Andrew Content Marketer
On Apr 2, 2025

LP5K0910BW3 Schneider Motors: A Comprehensive Guide to the Overload Relay

Introduction

Ensuring the reliable operation of your electric motors is paramount for minimizing downtime and maximizing productivity. The Schneider Electric LP5K0910BW3 is a robust thermal overload relay designed to provide effective protection against motor overloads and phase failures in a wide range of industrial applications. This blog post delves into the specifications, key features, applications, and use case scenarios of the LP5K0910BW3, demonstrating why it's a dependable choice for protecting your valuable motor assets.

Specifications of Schneider LP5K0910BW3

Here are the key specifications of the Schneider LP5K0910BW3 thermal overload relay:

Manufacturer: Schneider Electric
Product Type: Industrial Relays
Range: TeSys K
Trip Class: (Research and specify: typically 10A, but verify!)
Current Adjustment Range: 6 - 10 A
Rated Operational Current (Ie): (Research and specify based on voltage, e.g., 690V)
Poles: 3
Rated Insulation Voltage (Ui): (Research and specify)
Rated Impulse Withstand Voltage (Uimp): (Research and specify)
Thermal Overload Protection: Yes
Phase Failure Sensitivity: Yes
Mounting Type: Directly mounts under TeSys K contactors
Operating Temperature: (Research and specify)
Standards Compliance: (Research and specify: e.g., IEC 60947-4-1, UL 508, CSA C22.2 No 14)
Reset Type: Manual or Automatic selectable
Auxiliary Contacts: 1 NO + 1 NC

Why This Matters: Matching the relay's specifications to your motor's requirements is crucial for preventing nuisance tripping and ensuring reliable protection against overloads.

Key Features of Schneider LP5K0910BW3

Adjustable Current Setting (6-10A): Allows precise matching to the motor's full load amps for optimal protection. Benefit: Prevents nuisance tripping while still providing reliable overload protection.
Thermal Overload Protection: Provides effective protection against motor damage caused by sustained overcurrent conditions. Benefit: Extends motor lifespan and reduces maintenance costs.
Phase Failure Sensitivity: Quickly detects phase loss conditions, preventing motor damage due to unbalanced current. Benefit: Protects against potentially catastrophic motor failure.
Manual and Automatic Reset: Offers flexibility in resetting the relay based on application requirements. Benefit: Adapts to different operational needs.
1 NO + 1 NC Auxiliary Contacts: Provides remote indication of overload trips for monitoring and control. Benefit: Enables remote monitoring and diagnostics of motor status.
Direct Mounting to TeSys K Contactors: Simplifies installation and saves space by directly mounting to compatible contactors. Benefit: Reduces wiring and installation time.

Why This Matters: These features provide comprehensive motor protection, minimizing downtime and extending the lifespan of your equipment.

Applications of Schneider LP5K0910BW3

The LP5K0910BW3 overload relay is commonly used in:

Small Motor Control Panels: Provides overload protection for motors in compact control panels. Application: Prevents motor burnout in small machinery.
HVAC Systems: Protects motors in compressors, fans, and pumps. Application: Ensures reliable operation of HVAC equipment.
Pumping Stations: Prevents motor overload in pumping applications. Application: Maintains consistent water or fluid flow.
Conveyor Systems: Safeguards conveyor motors from overloads due to jams. Application: Minimizes downtime in material handling systems.
Commercial Refrigeration: Protects motors in refrigeration units. Application: Maintains proper temperature control and prevents spoilage.

Why This Matters: Its compact size and reliable performance make it ideal for a wide range of motor protection applications.

Circuit Diagram/Connection Diagram

(Adapt as necessary. A simple diagram showing the LP5K0910BW3 connected to a motor and TeSys K contactor would be ideal. Show the auxiliary contacts connected to a PLC or alarm circuit.)

(Describe how the overload relay is wired in series with the motor and how the auxiliary contacts can be used for remote monitoring.)

Why This Matters: Proper wiring is crucial for ensuring the overload relay functions correctly and protects the motor.

Use Case Scenario for Schneider LP5K0910BW3

Scenario: A small manufacturing facility uses a conveyor belt system powered by a 7.5 HP motor. The motor is susceptible to overloads due to occasional jams in the conveyor system.

Solution: An Schneider Electric LP5K0910BW3 overload relay is installed in the motor control circuit, directly mounted beneath a compatible TeSys K contactor. The current setting is adjusted to match the motor's full load amperage.

Outcome:

The overload relay effectively protects the motor from damage during conveyor jams.
Downtime is minimized as the overload relay trips and can be quickly reset after the jam is cleared.
Motor lifespan is extended due to reliable overload protection.

Why This Matters: This illustrates how the LP5K0910BW3 can prevent motor damage and reduce downtime in a common industrial application.

Where to Buy Schneider LP5K0910BW3?

The Schneider Electric LP5K0910BW3 thermal overload relay is available through authorized distributors worldwide, including X-On Electronics., North America, Europe, Asia Pacific can find this overload relay for competitive pricing and reliable customer support.

(Include a clear call to action: "Check Distributor Stock and Pricing")

Conclusion

The Schneider Electric LP5K0910BW3 overload relay provides a dependable and cost-effective solution for protecting your electric motors. Its adjustable current setting, phase failure sensitivity, and easy installation make it an excellent choice for a wide range of industrial applications. Protect your motors with the LP5K0910BW3 and minimize downtime and maintenance costs.

Frequently Asked Questions (FAQs) about Schneider LP5K0910BW3

(Adapt these questions based on researched information and common queries related to TeSys K overload relays.)