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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LC1D18B7 |
| Manufacturer | Telemecanique |
| Product Type | Contactor |
| Utilisation Category | AC-1, AC-3, AC-3e, AC-4 |
| Poles Description | 3P (3 NO) |
| Rated Operational Voltage (Ue) | Power circuit: <= 690 V AC 25...400 Hz, Power circuit: <= 300 V DC |
| Rated Operational Current (Ie) | 18 A at <= 440 V AC AC-3, 32 A at <= 440 V AC AC-1 |
| Control Circuit Voltage (Uc) | 24 V AC 50/60 Hz |
| Motor Power kW (AC-3) | 4 kW at 220...230 V AC, 7.5 kW at 380...400 V AC, 9 kW at 415...440 V AC, 10 kW at 500 V AC |
| Motor Power kW (AC-3e) | 4 kW at 220...230 V AC, 7.5 kW at 380...400 V AC, 9 kW at 415...440 V AC, 10 kW at 500 V AC |
| Motor Power HP (UL/CSA) | 1 hp at 115 V AC, 3 hp at 230/240 V AC, 5 hp at 200/208 V AC, 10 hp at 460/480 V AC |
| Auxiliary Contact Composition | 1 NO + 1 NC |
| Rated Insulation Voltage (Ui) | Power circuit: 690 V conforming to IEC 60947-4-1 |
| Rated Impulse Withstand Voltage | 6 kV conforming to IEC 60947 |
| IP Degree of Protection | IP20 front face conforming to IEC 60529 |
| Operating Altitude | 0...3000 m |
| Ambient Air Temperature for Operation | -40…60 °C, 60…70 °C with derating |
| Tightening Torque | Power circuit: 1.7 N.m, Control circuit: 1.7 N.m |
| Product Certifications | GOST, CCC, CSA, UL, RINA, BV, LROS, DNV, GL, UKCA |
| Standards | CSA C22.2 No 14, EN 60947-4-1, EN 60947-5-1, IEC 60947-4-1, IEC 60947-5-1, UL 508 |
The Telemecanique LC1D18B7 is a high-performance D contactor renowned for its reliability and efficiency in a wide range of industrial applications. This robust component is designed to handle a rated operational current of 18 A at less than 60°C in AC-3 utilisation category, making it suitable for motor control and resistive load applications. With a control circuit voltage of 24 V AC 50/60 Hz, it ensures compatibility with standard control systems.
Crafted for durability, the LC1D18B7 boasts a rated operational voltage in the power circuit up to 690 V AC, accommodating a variety of electrical requirements. The contactor is equipped with three power poles, all configured as normally open (NO), providing straightforward integration into existing setups.
The device's motor power capacity is impressive, capable of managing 4 kW at 220...230 V AC in AC-3 category, and up to 10 kW at 660...690 V AC, catering to a broad spectrum of motor ratings. For applications requiring direct on-line starting, this contactor is an ideal choice, offering straightforward and reliable operation.
The LC1D18B7 is designed with safety and longevity in mind, featuring an IP20 front face protection degree and a TH protective treatment conforming to IEC 60068-2-30, ensuring resilience in various environmental conditions. Its mechanical robustness is further highlighted by its ability to withstand vibrations and shocks, with a flame retardance of V1 conforming to UL 94.
This contactor is not only a practical choice for industrial environments but also a conscientious one, as it is a Green Premium product, indicating compliance with the latest environmental standards. It is free of substances of very high concern (SVHC) as per the REACh Regulation and adheres to the EU RoHS Directive, ensuring it is free from toxic heavy metals and mercury.
With a compact design, featuring a height of 77 mm, a width of 45 mm, and a depth of 86 mm, the LC1D18B7 is easy to install and integrate into various control panels and equipment. Its screw clamp terminals facilitate secure and reliable connections, ensuring a robust installation for long-term operation.
The Telemecanique LC1D18B7 is a testament to quality engineering, offering a blend of performance, durability, and environmental responsibility, making it a preferred choice for professionals seeking a reliable contactor solution.
Commonly Asked Questions
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Frequently Asked Questions
What type of applications is this contactor suitable for?
This contactor is suitable for a wide range of applications including motor control and resistive loads. It can be used in utilisation categories AC-1, AC-3, AC-3e, and AC-4, making it versatile for various industrial power switching operations.
Can this contactor be used with different voltage systems?
Yes, the contactor is designed to handle power circuit voltages up to 690 V AC at 25...400 Hz and up to 300 V DC, making it compatible with a variety of voltage systems.
What is the rated operational current of this contactor?
The rated operational current for the contactor in AC-3 usage for power circuits is 18 A at less than 60°C, and for AC-1 usage, it is 32 A at less than 60°C.
What are the dimensions of the contactor?
The contactor has a height of 77 mm, a width of 45 mm, and a depth of 86 mm, making it compact and suitable for installation in various environments.
What is the coil voltage rating for this contactor?
The coil voltage rating for this contactor is 24 V AC at 50/60 Hz.
Does this contactor come with auxiliary contacts?
Yes, it comes with an auxiliary contact composition of 1 Normally Open (NO) and 1 Normally Closed (NC) contact.
What is the thermal current rating of this contactor?
The conventional free air thermal current rating (Ith) is 10 A for the signalling circuit and 32 A for the power circuit at 60°C.
What is the mechanical durability of this contactor?
The contactor has a mechanical durability of 15 million cycles, indicating a long operational lifespan under normal conditions.
Is this contactor environmentally friendly?
Yes, it is a Green Premium product, which means it complies with the latest environmental regulations and standards.
What is the IP degree of protection for this contactor?
The contactor has an IP20 degree of protection for the front face, conforming to IEC 60529, which provides a level of protection against solid objects.
