The HW-45F Relay is a high-performance, heavy-duty relay designed to meet the demanding needs of industrial, commercial, and residential applications. With a robust 40A, 50A, or 60A load switching capability , this relay ensures seamless power management even in high-load environments. Featuring flange mounting and screw terminal connections , the HW-45F offers secure installation and reliable operation, making it an ideal choice for procurement teams seeking durable and efficient solutions.
This relay is highly versatile, available in various contact forms including normally open (1H), normally closed (1D), and conversion types (1Z) , allowing customization based on specific application requirements. Its wide coil voltage range (DC: 6-220V, AC: 6-380V) ensures compatibility with diverse electrical systems, while its exceptional electrical life of over 100,000 cycles and mechanical life exceeding 10 million operations guarantee long-term reliability and reduced maintenance costs.
Why Choose the HW-45F Relay?
For procurement professionals and businesses looking to optimize their electrical systems, the HW-45F relay stands out as a dependable solution. It excels in high-power switching applications , such as motor control, HVAC systems, industrial automation, and power distribution. With a low contact resistance of 100mΩ or less and superior insulation performance (up to 2500VAC between contacts and coil ), this relay ensures safe and efficient operation in even the most challenging conditions.
Additionally, its compact design (63.2 × 46 × 46mm ) and lightweight construction (105g ) make it easy to integrate into existing setups without compromising space or performance. The HW-45F also boasts excellent environmental resilience, operating reliably in temperatures ranging from -44°C to +55°C and humidity levels of 5% to 80% RH , ensuring consistent functionality across diverse settings.
Model Description
Model: HW-45F
Product Characteristics:
①40A,50A,60A load switching capability.
②Flange mounting.
③Screw mounting out end.
| HW | 45F | Optional | Optional | Optional | Optional | Optional | Optional | Optional |
| ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ | ⑧ | ⑨ |
①Enterprise code: Hangwang Electric
②Serial number: 45F
③Number of contact groups: 1
④Contact form: 1H=1 group normally open type ,1D=1 group normally closed type 1Z=1 group conversion type
⑤Contact load: 40A,50A,60A
⑥Coil Voltage: DC is for direct voltage AC is for alternating voltage
Product performance
| Contact resistance | 100mΩ or less (under 6VDC1A condition) |
| Electrical life | Resistive load, more than 100,000 times |
| Mechanical life | More than 10 million |
| Coil voltage | DC:6-220V AC:6-380V |
| Suction time | ≤25ms |
| Release time | ≤15ms |
| Between the same pole contacts | 1500VAC/1min(Leakage current 1mA) |
| Between polar contacts | 1500VAC/1min(Leakage current 1mA) |
| Between contact and coil | 2500VAC/1min(Leakage current 1mA) |
| Insulation resistance | ≥100Ω(500VDC) |
| Ambient temperature | -44°C~+55°C |
| Ambient humidity | 5%~80%RH |
| Atmospheric pressure | 86~106KPa |
| Impact resistance | Maximum acceleration 980m/s duration 6ms |
| Vibration resistance | 10~55Hz Double amplitude:1.5mm |
| Dimension | 63.2 × 46× 46mm |
| Weight | 105g |
External dimensions
Wiring diagram
The HW-45F Power Relay Switch is a heavy-duty electrical switching device designed for high-current applications ranging from 40A to 60A. With a robust flange mount design, this relay ensures secure installation and reliable performance in demanding industrial and commercial environments.
As a professional manufacturer and supplier, we offer flexible OEM/ODM customization services to meet specific project requirements. Our factory provides stable production capacity and competitive wholesale pricing, making us a trusted partner for wholesalers, distributors, and electrical contractors worldwide.
What is it used for?
This power relay switch is used to control high-power electrical circuits, enabling safe and efficient switching of loads. It plays a critical role in protecting systems and automating electrical operations.
Applications
- Industrial machinery and automation systems
- Power distribution and control panels
- HVAC and refrigeration systems
- Renewable energy equipment
- Commercial electrical systems and infrastructure
Key Features
- High current capacity (40A / 50A / 60A options)
- Flange mount design for secure and stable installation
- Durable construction for long service life in harsh environments
- Reliable switching performance with strong contact stability
- Wide application compatibility across industrial and commercial systems
- Supports OEM/ODM customization for tailored solutions
- Manufactured in a certified factory with strict quality control
The HW-45F is an ideal choice for industrial users, commercial buyers, distributors, and contractors looking for a reliable power relay switch supplier or wholesale partner with consistent quality and customization capabilities.
FAQ
What is the HW-45F high power relay used for?
The HW-45F high power relay is used for switching heavy electrical loads in equipment such as machines, electronic devices, air conditioners, automobiles, and household appliances.
What current ratings are available for this relay?
This relay platform is available in 40A, 50A, and 60A switching versions, which helps buyers choose the right model for different industrial and commercial load demands.
Why is flange mounting important for industrial buyers?
Flange mounting supports secure installation in equipment and panels, while the miniature structure and QC terminals help simplify assembly for factory, OEM, and contract manufacturing projects.
What features make this relay reliable for B2B applications?
Its main reliability advantages include heavy contact load handling, low coil power consumption, strong anti-shock and anti-vibration performance, and RoHS-compliant construction, with IEC60335-1 options available for some versions.
Is this product suitable for wholesale, distribution, or OEM sourcing?
Yes. This type of high power relay is commonly offered by China manufacturers and suppliers for factory-direct procurement, which fits distributors, wholesalers, exporters, and OEM sourcing programs.
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