Schneider Overload Protection Circuit Breaker (Thermal Overload) - Class A 10 - 30: 40 Amps - LRD340

The Schneider LRD340 Thermal Overload Relay provides optimal protection for your electric motors against overloads and excessive heat. Its advanced design ensures safe and long-lasting operation of motors in industrial and commercial applications.

Specifications

• Brand: Schneider
• Product Type: Thermal Overload Relay
• Model Number: LRD340
• Rated Current: 30–40 A
• Class: A 10
• Protection: Three-phase motors up to 18.5 kW at 400 V
• Connection: EverLink BTR screw terminals, compatible with 3-pole contacts LC1D40A–D80A
• Mounting: DIN rail or screw mounting using terminal block LAD96560 (sold separately)
• Certifications: IEC, UL, CSA, CCC, EAC, Marine
• Environmental Compliance: Green Premium (RoHS/REACH)

Features

• Precise protection of motors against overloads and excessive heat
• Phase failure and load imbalance detection for system safety
• Equipped with thermal adjustment dial, manual-automatic reset, test, stop, and reset buttons
• Flag indicator and 2 auxiliary contacts 1NO+1NC for fault signaling
• Settings protected with a transparent lockable cover for safety
• Complies with international standards for quality and safety

Usage

• Protect motors from overloads and overheating to extend motor lifespan
• Disconnects electrical current if allowed load is exceeded, reducing risk of failures and electrical hazards
• Mounts alongside contactors to provide complete system protection
• Ensures safe and long-term operation of motors and electrical devices in industrial and commercial applications

FAQ

How does the LRD340 Thermal Overload Relay protect motors?

It protects motors from overloads and overheating, detects phase failure and load imbalance, reducing risk of damage and extending motor life.

Is the LRD340 suitable for industrial applications?

Yes, it is suitable for industrial and commercial use, providing comprehensive protection for motors and electrical equipment.

Can the LRD340 be easily installed?

Yes, it can be mounted on a DIN rail or screwed in place, with manual and automatic reset options for easy operation and maintenance.

What applications is the LRD340 compatible with?

It is suitable for three-phase motor protection, industrial control circuits, and commercial electrical systems that require overload protection.