Description
Product Overview
The GE 12HFA51A42H is a high – performance multi – contact auxiliary relay manufactured by General Electric. It belongs to the HFA series of relays, which are known for their reliability and versatility in industrial control applications. This relay is designed to handle various electrical switching tasks, providing efficient and precise control in different circuits.
The 12HFA51A42H features six electrically independent contact circuits, enabling multiple operations to be carried out simultaneously. It has an instantaneous dropout and self – resets, which ensures quick response and reliable operation. With a coil voltage of 125 volts DC, it is suitable for use in many DC – powered systems. Whether in a new or refurbished state, the GE 12HFA51A42H relay offers excellent performance and can meet the demanding requirements of different industrial automation scenarios.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 12HFA51A42H |
| Manufacturer | General Electric |
| Product Type | Multi – contact Auxiliary Relay |
| Coil Voltage | 125 volts DC |
| Maximum Switching Voltage | 125 volts |
| Contact Current – Closing Rating | 30 amps each contact |
| Current – Carrying Rating | 12 amps continuous cycle or 30 amps per minute |
| Weight | 3 kg (approx.) |
| Dimensions | 34×32×34 cm (approx.) |
| Shipping Weight | 10 lb (approx.) |
| Shipping Dimensions | 15×15×15 inches (approx.) |
12HFA51A42H
Main Features and Advantages
The GE 12HFA51A42H relay has several notable features and advantages. Firstly, its multi – contact design with six independent contact circuits allows for greater flexibility in circuit configuration. This enables it to control multiple devices or perform multiple switching operations simultaneously, increasing the efficiency of the overall control system.
Secondly, the instantaneous dropout and self – resetting function ensure that the relay can quickly respond to changes in the electrical circuit. It can promptly cut off the circuit when necessary and automatically reset to its initial state, reducing the risk of equipment damage and improving the reliability of the system.
In addition, the 12HFA51A42H is designed to meet high – quality standards, with excellent electrical and mechanical properties. It can operate stably in a variety of harsh industrial environments, withstanding high temperatures, humidity, and vibration, ensuring long – term reliable operation.
Application Field
The GE 12HFA51A42H relay is widely used in various industrial fields. In the power industry, it is used in power distribution systems to control the on – off of circuits and protect electrical equipment. It can also be found in industrial automation production lines, where it is used to control the operation of motors, solenoid valves, and other equipment, realizing the automation and intelligent control of the production process.
In addition, the 12HFA51A42H is suitable for use in building automation systems, such as controlling the opening and closing of air – conditioning systems, lighting systems, and elevator systems. In the field of transportation, it can be used in the control systems of trains, subways, and other vehicles to ensure the normal operation of various electrical equipment.
12HFA51A42H
Related Products
- GE 12HFA51A41H: Similar to the 12HFA51A42H, but may have some differences in coil voltage or other minor parameters.
- GE 12HFA52A42H: Belongs to the same HFA series, with a different contact configuration or rating, suitable for different application scenarios.
- GE 12HFA51B42H: May have different features in terms of coil type or insulation performance compared to the 12HFA51A42H.
- GE 12HFA53A42H: Another model in the HFA series, which may have different current – carrying capacities or switching speeds.
- GE 12HFA51A43H: Differs from the 12HFA51A42H in certain aspects, perhaps with a different number of contacts or a different mounting method.
Installation and Maintenance
Pre – installation preparation: Before installing the GE 12HFA51A42H relay, make sure to check the power supply voltage to ensure it matches the coil voltage of the relay. Also, check the installation environment to ensure it is clean, dry, and free from excessive vibration and electromagnetic interference. Mount the relay firmly on the installation panel using the appropriate screws or clips.
Maintenance recommendations: Regularly check the contacts of the GE 12HFA51A42H relay for signs of wear or oxidation. Clean the contacts if necessary to ensure good electrical conductivity. Check the coil for any signs of overheating or damage. If any problems are found, replace the relay in a timely manner to avoid affecting the normal operation of the system.
Product Guarantee
GE provides a comprehensive product guarantee for the 12HFA51A42H relay. The company ensures the high quality of the product through strict quality control measures. In case of any quality problems within the warranty period, GE will provide free repair or replacement services. In addition, GE also offers professional technical support to help customers solve any problems encountered during the use of the product, demonstrating the company’s confidence in the product quality and its commitment to customer satisfaction.
