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Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
LRD3363
Schneider LRD3363 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Schneider LRD3363 is a differential thermal overload relay designed for motor protection applications. With a thermal protection adjustment range of 63-80A, this reliable and robust relay is compatible with LC1D80 and LC1D95 contactors. The LRD3363 operates with both AC and DC networks and features a rated insulation voltage of 1000V for power circuits (IEC 60947-4-1), 600V for CSA, and 600V for UL. The relay is equipped with a red push-button for stopping and a blue push-button for resetting, offering easy control and operation. With a temperature compensation range of -4 to 140°F (-20 to 60°C), the LRD3363 ensures optimal performance in various environments. This versatile overload relay can be mounted on a plate, rail, or under a contactor using specific accessories. The Schneider LRD3363 is a Green Premium product, ensuring compliance with RoHS and REACh regulations, making it an environmentally friendly choice for your motor protection needs.
| Specification | Description |
|---|---|
| Part Number | LRD3363 |
| Manufacturer | Schneider |
| Thermal Protection Adjustment Range | 63-80 A |
| Rated Insulation Voltage (Ui) | 1000 V (IEC 60947-4-1), 600 V (CSA, UL) |
| Network Frequency | 0-400 Hz |
| Mounting Support | Plate, Rail, Under Contactor |
| Tripping Threshold | 1.14 ± 0.06 Ir (IEC 60947-4-1) |
| Conventional Free Air Thermal Current (Ith) | 5 A (signaling circuit) |
| System Voltage | 690 V AC (0-400 Hz) |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| Phase Failure Sensitivity | Tripping current 130% of Ir on two phases |
| Control Type | Red push-button stop, Blue push-button for reset mode |
| Temperature Compensation | -4 to 140 °F (-20 to 60 °C) |
| Connections - Terminals | Screw clamp terminals for power and control circuits |
| Tightening Torque | 1.7 N.m (control circuit), 9 N.m (power circuit) |
| Dimensions (H x W x D) | 4.84 x 2.95 x 4.76 in (123 x 75 x 121 mm) |
| Protective Treatment | TH (IEC 60068) |
| IP Degree of Protection | IP20 (IEC 60529) |
| Ambient Air Temperature for Operation | -20 to 60 °C (without derating, IEC 60947-4-1) |
| Ambient Air Temperature for Storage | -60 to 70 °C |
| Flame Retardance | V1 (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 (IEC 60255-5) |
| Standards | EN 60947-4-1, EN 60947-5-1, IEC 60947-4-1, IEC 60947-5-1, UL 508, CSA C22.2 No 14 |
| Product Certifications | ATEX INERIS, BV, CCC, CSA, DNV, GL, GOST, RINA, UL, LROS |
What is the voltage rating of this overload relay?
The Schneider Overload Relay is rated for 690 V ac.
What is the thermal protection adjustment range of this part?
The thermal protection adjustment range of the Schneider Overload Relay is 63 to 80 A.
What type of mounting support does this part require?
This part can be mounted on a plate with specific accessories, a rail with specific accessories, or under a contactor.
What is the tripping threshold of this overload relay?
The tripping threshold of the Schneider Overload Relay is 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1.
What is the system voltage of this part?
The system voltage of the Schneider Overload Relay is 690 V AC 0...400 Hz.
What is the rated impulse withstand voltage of this part?
The rated impulse withstand voltage of the Schneider Overload Relay is 6 kV.
What is the phase failure sensitivity of this part?
The phase failure sensitivity of the Schneider Overload Relay is tripping current 130% of Ir on two phases, the last one at 0.
What is the temperature compensation range of this part?
The temperature compensation range of the Schneider Overload Relay is -4...140 °F (-20...60 °C).
What is the height, width, and depth of this part?
The Schneider Overload Relay measures 75 x 121 x 123 mm.
What is the weight of this part?
The Schneider Overload Relay weighs 0.51 kg.
- Motor protection in industrial applications
- Overload protection for electrical motors
- Thermal protection in motor control systems
- Integration with TeSys contactors for motor control solutions
- Use in AC and DC networks for motor protection
- Protection against phase failure in electrical systems
- Suitable for a wide range of industries, including manufacturing, processing, and automation
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
4 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
5 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
5 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
5 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
6 months ago
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