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Schneider Electric LRD21 TeSys LRD Thermal Overload Relay
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USED
Specification Details
Brand: Schneider Electric
Model: LRD21
Series: TeSys LRD
Product Type: Thermal Overload Relay
Current Setting Range: 12 - 18 A
Rated Insulation Voltage: 690V AC
Rated Impulse Withstand Voltage: 6 kV
Overload Tripping Class: Class 10-A
Maximum Backup Fuse Ratings: 20A (aM max), 35A (gG-gL max)
Short Circuit Current Rating (SCCR): 5 kA at 600V AC (when protected by Class K-5 fuses or circuit breakers)
Control Ratings: Class B600, R300
Wire Sizes (AWG/mm²): Supports solid and stranded copper wires from 1 to 6 mm² (AWG 18-10) up to 14 mm² depending on connection point
Tightening Torque: 1.7 N·m (15 lb·in)
Status: Used Excellent Working (As Per Photos)
Country of Origin: Made in France
Shipping: Fast & Safe Worldwide Shipping Available.
| Brand | Schneider Electric |
|---|---|
| Category | RELAY |
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The Schneider Electric TeSys LRD Thermal Overload Relay (LRD21) provides dependable, comprehensive motor protection for industrial electrical systems. Engineered by Telemecanique, this robust thermal overload relay is designed to safeguard standard 3-phase AC motors from overheating caused by sustained overcurrents, single-phasing, or prolonged mechanical stalling.
With an adjustable current setting scale of 12 to 18 Amperes, it allows engineers and technicians to fine-tune protection parameters to match exact motor full-load current (FLC) metrics. This relay features automatic or manual reset controls, a test/stop button, and integrated auxiliary contacts (1 NO + 1 NC) to quickly trip control circuits and signal fault conditions. Its high-quality screw clamp terminals ensure low-resistance, vibration-resistant wiring connections, making it an indispensable component for motor control centers (MCC) and automation panels worldwide.
- Adjustable Current Range: Features a precise dial setting from 12A to 18A (\(I_{e}\)) to perfectly match your motor protection requirements.
- Premium Motor Safety: Certified Class 10A trip mechanism protects 3-phase motors against overloads, phase failures, and stalls.
- High Voltage Compatibility: Built for demanding industrial environments with an insulation voltage (\(U_{i}\)) of 690V AC and an impulse withstand voltage (\(U_{imp}\)) of 6kV.
- Global Standard Certifications: Fully compliant with IEC/EN 60947-4-1, UL, CSA, ATEX, and CE standards for international reliability.
- Seamless Compatibility: Direct mounting integration beneath Schneider Electric TeSys LC1D contactors or via individual LAD7 adapter bases.
Fast Shipping & Delivery Across India & Globally
100% Authentic & Trusted Products
Premium Quality Assured
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Fast Shipping & Delivery Across India & Globally
100% Authentic & Trusted Products
Premium Quality Assured
Secure Transactions & Reliable Service