KLC1-D Contactor

1. KLC1-D Contactor is mainly used in power lines with AC 50Hz or 60Hz, rated voltage up to 660V, and current up to 95A, to realize remote connection and disconnection control of loads such as motors, electric heaters, and capacitor banks.

2. In the electrical control systems of various equipment, KLC1-D Contactor, as a key executive component, receives control signals to complete the on-off operation of the circuit. At the same time, it works in coordination with protective components such as thermal relays to provide overload, short-circuit and other protection functions for the load, ensuring the safe operation of electrical equipment.

● Electrical rating: AC50/60HZ, 1140v

● Altitude: ≤2500m, the rated current decreases by 8% for every 1000m increase in altitude;

● Ambient temperature: -5°C~+40°C;

● Humidity requirement: relative humidity ≤ 90% (at 25°C), avoid long-term exposure to condensation or splashing water environment.

● Installation category: Ⅲ;

● Installation conditions: The inclination between the installation plane and the vertical plane should not exceed ±5;

● High reliability: High-quality contact materials and advanced structural design enable KLC1-D Contactor to have a mechanical life of more than 8 million times and an electrical life of more than 1 million times, remaining stable and reliable under high-frequency operations and harsh working conditions.

● Strong adaptability: KLC1-D series contactors have excellent environmental resistance, with a protection level of up to IP54, which can adapt to various complex environments such as high temperature, low temperature, humidity, and dust, expanding the product application range.

● Convenient maintenance: Modular design and standardized installation methods facilitate the installation, commissioning and replacement of the product; clear wiring marks and anti-misoperation design reduce maintenance difficulty and improve work efficiency.

● Safety guarantee: Reinforced insulation structure and perfect protection functions provide reliable safety guarantees for electrical equipment and operators, reducing the risk of electrical accidents.

● High cost performance: We have formulated strict product testing procedures from raw material procurement to production process to product delivery. On the basis of ensuring high quality, we provide more competitive prices.

Q: What is the difference between the KLC1-F series contactors and KLC1-D contactors?

A: 1. Advantages of KLC1-F series contactors:

High mechanical life, suitable for frequent start-stop scenarios with ≤1200 operations per hour (such as automated production lines).

Wide voltage coil (AC 85V-265V) is suitable for unstable power grid environments (such as remote areas).

Intelligent expansion: Can integrate communication modules (Modbus RTU) for remote monitoring.

Typical scenarios: Intelligent buildings, packaging machinery, frequency converter bypass control.

2. Advantages of KLC1-D series contactors:

Low cost, 20%-30% lower than KLC1-F.

Simple structure, convenient maintenance, suitable for light loads with limited budgets.

Typical scenarios: Small water pumps, fans, electric heating equipment.

Our company can provide both types of contactors to meet your diverse needs.

Q: What are the coil voltage options? Can special voltages be customized?

A: Standard voltages: AC 110V, 220V, 380V (fixed gears).

Special customization: DC 24V or wide voltage (such as AC 85V~265V) is supported, and the delivery time needs to be communicated in advance (extended by 1~2 weeks).

Q: What is the contact material of KLC1-D series contactors? Is it arc-resistant?

A: Material: Silver-nickel alloy contacts (AgNi10), with medium arc resistance.

Applicable scenarios: Suitable for conventional loads with current ≤63A and low operating frequency; not recommended for scenarios such as welding machines that require frequent on-off operations.

Q: Do KLC1-D series contactors support three-phase unbalanced loads?

A: Allowable range: Three-phase current unbalance degree ≤10%, exceeding the limit may cause coil overheating.

Solution: It is recommended that you evenly distribute single-phase loads to different phase lines or install a balancing reactor.

The assembly of KLC1-D Contactor products is carried out in a clean, constant temperature and humidity environment. Using an assembly line operation mode, workers strictly follow the standardized operating procedures to assemble the manufactured parts one by one. First, install the electromagnetic system to ensure the assembly accuracy of the iron core and coil, and ensure the stability of the electromagnetic attraction; then install the contact system, adjust the contact opening distance, overtravel and other parameters to ensure the accuracy and reliability of the contact action; finally, install the contactor shell, perform overall fixing and installation of the terminal blocks, and strictly check the firmness of the wiring during the installation of the terminal blocks.

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