Contactor 4-6a Thermal Overload Relay LRD21 Schneider

The Contactor 4-6a Thermal Overload Relay LRD21 Schneider is a
high-precision electrical protection device engineered to safeguard electric motors from overloads,
phase failure, and prolonged starting currents. Built with robust, flame-retardant thermoplastic
housing and advanced bi-metallic internal elements, this reliable thermal relay ensures exceptional
thermal stability, precise tripping characteristics, and long-lasting mechanical durability under
demanding industrial and commercial workloads. It serves as an essential safety component for
electrical contractors, panel builders, and technicians looking to protect critical machinery and
prevent costly motor burnouts.
Engineered with user adjustability and operational safety in mind, the unit features an easy-to-use
current setting dial ranging from 4 to 6 amperes, allowing precise calibration to match specific
motor full-load current ratings. Its integrated test button, stop button, and selectable manual or
automatic reset modes provide flexible control for diverse operational environments. The secure
terminal blocks and direct-mount interface facilitate seamless integration with standard Schneider
electric contactors, ensuring a compact and robust motor starter assembly.
Designed to meet rigorous international electrical standards, this Schneider thermal overload relay
offers a dependable, cost-effective solution for comprehensive motor protection. Whether you are
assembling a new control panel, maintaining HVAC systems, or upgrading industrial automation
equipment, this reliable device guarantees absolute circuit security, operational longevity, and
peace of mind.
Brand: Schneider Electric
Model: LRD21
Type: Thermal Overload Relay
Current Adjustment Range: 4A to 6A
Operating Voltage: Up to 690V AC
Material: Flame-Retardant Thermoplastic Housing
Application: Motor overload protection, phase failure detection, and control panel automation
Available at Frame Axe Electric Store, Tufail Shaheed Road, Bahir Wala Adda, Sahiwal. Home
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