Schneider Electric LRD04 Overload Relay
Schneider Electric LRD04 Overload Relay
Product Description :
- An overload relay is a protective device used in electrical circuits, especially in motor control systems, to protect motors and other equipment from damage caused by excessive current.
- It continuously monitors the motor’s current and disconnects the power if the current exceeds a preset limit for a specified period, preventing overheating and potential failure of the motor.
- It is a critical component in motor control systems to prevent damage to the motor and ensure safe operation.
- Without overload relays, motors could overheat and become damaged or pose safety hazards.
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The Schneider Electric LRD04 Overload Relay is a premium motor protection device designed to safeguard electric motors from overload, phase failure, and thermal stress.
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Built to Schneider Electric’s exacting standards, the LRD04 ensures reliable operation, long service life, and efficient motor control across industrial and commercial applications.
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This LRD04 Overload Relay features adjustable current settings, rapid response, and easy integration with contactors and motor starters, making it an essential component in motor control circuits, industrial machinery, HVAC systems, and automation equipment.
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By detecting overcurrent and thermal overloads, the Schneider Electric LRD04 protects motors from damage, reduces downtime, and enhances operational safety.
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Manufactured with high-quality materials and precise engineering, the Schneider Electric LRD04 offers high reliability, stable performance, and robust durability even in demanding industrial environments.
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It is compatible with a wide range of motors, starters, and electrical panels, ensuring optimal protection and smooth operation of your equipment.
Product Specification :
| Network frequency | 0…400 Hz |
|---|---|
| Mounting support | Plate, with specific accessories Rail, with specific accessories Under contactor |
| Tripping threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |
| Auxiliary contact composition | 1 NO + 1 NC |
| Conventional free air thermal current | 5 A for signaling circuit |
| Permissible current | 3 A at 120 V AC-15 for signaling circuit 0.22 A at 125 V DC-13 for signaling circuit |
| Rated operational voltage | 690 V AC 0…400 Hz for power circuit conforming to IEC 60947-4-1 |
| Associated fuse rating | 4 A gG for signaling circuit 4 A BS for signaling circuit |
| Rated impulse withstand voltage | 6 kV |
| Phase failure sensitivity | Tripping current 130 % of Ir on two phase, the last one at 0 |
| Control type | Red push-button: stop Blue push-button: reset |
| Temperature compensation | -20…60 °C |
