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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LRD4367 |
| Alternative Part Number | LRD4367 |
| Manufacturer | Schneider |
| Product Type | Differential Thermal Overload Relay |
| Device Short Name | LRD |
| Application | Motor Protection |
| Product Compatibility | LC1D115, LC1D150 |
| Network Type | AC, DC |
| Thermal Protection Adjustment Range | 95...120 A |
| Rated Insulation Voltage [Ui] | 1000 V power circuit conforming to IEC 60947-4-1, 600 V power circuit conforming to CSA/UL |
| 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 [Ith] | 5 A for signalling circuit |
| Permissible Current | 0.06 A at 440 V DC-13, 0.12 A at 600 V AC-15 for signalling circuit |
| Rated Operational Voltage [Ue] | 1000 V AC 0...400 Hz |
| Rated Impulse Withstand Voltage [Uimp] | 6 kV |
| Phase Failure Sensitivity | Tripping current 130% of Ir on two phases, the last one at 0 |
| Control Type | Red push-button stop, Blue push-button reset |
| Temperature Compensation | -20...60 °C |
| Connections - Terminals | Screw clamp terminals for power and control circuits with various cable flexibility and sizes |
| Tightening Torque | Control circuit: 1.7 N.m, Power circuit: 9 N.m |
| Depth | 132 mm |
| Net Weight | 0.9 kg |
| IP Degree of Protection | IP20 conforming to IEC 60529 |
| Ambient Air Temperature for Operation | -20...60 °C without derating conforming to IEC 60947-4-1 |
| Ambient Air Temperature for Storage | -60...70 °C |
| Flame Retardance | V1 conforming to UL 94 |
| Mechanical Robustness | Vibrations: 6 Gn IEC 60068-2-6, Shocks: 15 Gn for 11 ms IEC 60068-2-7 |
| Dielectric Strength | 6 kV at 50 Hz conforming to IEC 60255-5 |
| Standards | EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, UL 60947-5-1, CSA C22.2 No 60947-4-1/5-1 |
| Product Certifications | IEC, UL, CSA, CCC, EAC, ATEX INERIS |
The Schneider LRD4367 is a high-quality differential thermal overload relay designed to provide efficient motor protection. This component is part of the TeSys product range and is compatible with LC1D115 and LC1D150 contactors. It is engineered to safeguard AC and DC networks with a thermal protection adjustment range of 95 to 120 A, ensuring your motor operates within safe parameters.
Constructed to meet the rigorous standards of IEC 60947-4-1, the LRD4367 features a class 10A overload tripping class, which is a testament to its reliability and performance in industrial settings. The relay is equipped with a tripping threshold of 1.14 +/- 0.06 Ir, in accordance with IEC standards, providing precise protection against overloads.
The unit's auxiliary contact composition includes 1 normally open (NO) and 1 normally closed (NC) contact, offering flexibility for signalling and control circuits. The [Ui] rated insulation voltage of the power circuit is 1000 V, conforming to IEC 60947-4-1, with additional ratings for CSA and UL at 600 V, making it suitable for a wide range of applications.
Mounting support options for the LRD4367 include plate, rail, or under contactor, with specific accessories available to suit various installation requirements. The device also features a red push-button for stop and a blue push-button for reset, simplifying operation and maintenance.
Temperature compensation from -20 to 60 °C ensures the relay operates effectively in diverse environments, and the screw clamp terminals provide secure and reliable connections for both control and power circuits. With a tightening torque of 1.7 N.m for control circuits and 9 N.m for power circuits, the LRD4367 ensures a robust connection that withstands the demands of industrial use.
The LRD4367's compact design, with a depth of 132 mm and a weight of 0.9 kg, allows for easy integration into electrical panels without occupying excessive space. Its protective treatment and IP20 degree of protection ensure durability and resilience in challenging industrial environments.
Overall, the Schneider LRD4367 thermal overload relay is a dependable and versatile component that offers essential protection for your motor-driven applications, contributing to the longevity and efficiency of your equipment.
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Frequently Asked Questions
What is the contact rating for the thermal overload relay?
The contact rating for this thermal overload relay is 95 to 120 A.
Can this thermal overload relay be used with both AC and DC network types?
Yes, the LRD4367 is compatible with both AC and DC network types.
What is the thermal overload class for this relay?
The thermal overload class for this relay is Class 10A.
What is the tripping threshold of this device?
The tripping threshold of the device is 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1.
What is the temperature compensation range for this relay?
The temperature compensation range for this relay is from -20 to 60 degrees Celsius.
What are the mounting support options for this thermal overload relay?
The mounting support options include plate with specific accessories, rail with specific accessories, and under contactor.
What is the IP degree of protection for this relay?
The IP degree of protection for this relay is IP20 conforming to IEC 60529.
What are the dimensions of this thermal overload relay?
The depth of the LRD4367 is 132 mm, and it has a net weight of 0.9 kg.
What certifications does this thermal overload relay have?
This thermal overload relay has certifications including IEC, UL, CSA, CCC, EAC, and ATEX INERIS.
What is the sustainable offer status of this product?
The sustainable offer status of this product is Green Premium.
