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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LB1LC03M |
| Manufacturer | Telemecanique |
| Product Type | Thermal-magnetic protection module |
| Poles Description | 3P (3 poles) |
| Number of Protected Poles | 3 |
| Motor Power kW | 15 kW at 400...415 V AC 50/60 Hz, 15 kW at 440 V AC 50/60 Hz, 25 kW at 600...690 V AC 50/60 Hz, 7.5 kW at 220...240 V AC 50/60 Hz, 18.5 kW at 480...525 V AC 50/60 Hz |
| Utilisation Category | AC-43 |
| Magnetic Tripping Current | 2.4...4.8 A +/- 20 % conforming to various IEC standards |
| [Ue] Rated Operational Voltage | 690 V |
| Breaking Capacity | 50 kA at various voltages ranging from 220 V AC to 690 V AC |
| Thermal Protection Adjustment Range | 0.1...12 A minimum at -20...60 °C without derating, 0.16...18 A maximum at -20...70 °C with derating |
| Protection Type | Phase imbalance |
| Thermal Overload Class | Class 10 |
| Product Weight | 0.4 kg |
| Compatibility Code | LB1LC |
| Standards | IEC 60947-4 type 2, NF C 63-650 |
The Telemecanique LB1LC03M is a robust thermal-magnetic protection module designed to safeguard electric motors from potential damage due to overload and phase imbalance. This module is an integral part of the Integral 32 range and is characterised by its 3-pole design, ensuring comprehensive protection for three-phase electrical systems.
With a motor power capacity ranging from 7.5 kW at 220-240 V AC up to 25 kW at 600-690 V AC, the LB1LC03M is versatile and suitable for a variety of industrial applications. Its magnetic tripping current is finely adjustable between 2.4 to 4.8 A, allowing for precise protection settings in accordance with IEC standards.
The LB1LC03M boasts a substantial breaking capacity of 50 kA across a range of voltages, from 220 V AC up to 690 V AC, providing reliable performance in demanding conditions. The thermal protection adjustment range is broad, from 0.1 A to 18 A, which can be set to ensure optimal protection without derating, even in environments with temperatures ranging from -20°C to 70°C.
This protection module is compliant with IEC 60947-4 type 2 and NF C 63-650 standards, ensuring it meets rigorous quality and performance criteria. The LB1LC03M is a compact and efficient solution for motor protection, with a weight of just 0.4 kg and compatibility with the LB1LC code, making it a preferred choice for professionals seeking dependable motor protection solutions.
Commonly Asked Questions
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Frequently Asked Questions
What is the function of the LB1LC03M protection module?
The LB1LC03M is a thermal-magnetic protection module designed to protect electric motors from overloads and phase imbalances. It ensures the safe operation of the motor by interrupting the current in case of a fault.
Can this protection module be used with different motor power ratings?
Yes, the LB1LC03M can be used with various motor power ratings, including 15 kW at 400...415 V AC, 15 kW at 440 V AC, 25 kW at 600...690 V AC, 7.5 kW at 220...240 V AC, and 18.5 kW at 480...525 V AC.
What are the tripping characteristics of this module?
The module has a magnetic tripping current of 2.4...4.8 A +/- 20%, conforming to several IEC standards. This feature helps in protecting the motor by tripping in the event of short-circuit conditions.
What is the breaking capacity of this module?
The LB1LC03M has a breaking capacity of 50 kA at various voltages, including 440 V AC, 220...240 V AC, 400...415 V AC, 600...690 V AC, and 500 V AC.
How is the thermal protection adjustment range defined for this module?
The thermal protection adjustment range for the module is 0.1...12 A minimum at -20...60 °C without derating and 0.16...18 A maximum at -20...70 °C with derating.
What standards does the LB1LC03M comply with?
The module complies with IEC 60947-4 type 2 and NF C 63-650 standards, ensuring its reliability and quality for industrial applications.
What is the utilisation category of this protection module?
The utilisation category of the LB1LC03M is AC-43, which specifies the conditions for which the module is designed, including the type of load and duty cycle.
What is the weight of the LB1LC03M?
The weight of the module is approximately 0.4 kg, making it a lightweight component for its functionality.
What type of protection does the LB1LC03M offer?
The module offers phase imbalance protection and thermal overload protection, which are critical for maintaining motor integrity and performance.
Is the LB1LC03M compatible with other devices?
The module is compatible with devices that match the compatibility code LB1LC, allowing for integration with compatible motor control systems.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
