FOTEK HPR-80DA-H 80A Solid State Relay | DC to AC SSR

FOTEK HPR-80DA-H Solid State Relay – 80A High-Power DC Control AC

The FOTEK HPR-80DA-H Solid State Relay (SSR) is a high-performance, 80-amp DC-to-AC solid state relay designed for industrial automation, temperature control systems, and heavy-duty switching applications. With no mechanical moving parts, it offers silent, spark-free operation and exceptional longevity compared to traditional electromechanical relays.

Key Features

• Model: HPR-80DA-H (80A DC Input / AC Output)
• High Current Capacity: Rated at 80 amps for demanding industrial loads
• Solid State Design: No moving parts for reliable, maintenance-free switching
• DC-to-AC Control: Compatible with standard DC control signals to switch AC loads
• Material: Durable plastic housing for lightweight installation
• Zero-Crossing Switching: Reduces electrical interference and extends connected equipment life
• Compatible with FOTEK / Yangming systems and similar industrial control platforms

Ideal Applications

• Industrial heating and temperature control panels
• CNC machines and automated manufacturing equipment
• Motor and pump control circuits
• PLC and microcontroller-driven switching systems
• Power distribution and load management

Product Specifications

Why Choose a Solid State Relay?

Unlike traditional mechanical relays, solid state relays (SSRs) switch electrical loads electronically with no physical contacts. This results in faster switching speeds, zero arcing, less electromagnetic interference, and a significantly longer service life — making them the preferred choice for precision industrial control. Learn more about safe electrical standards from OSHA's Electrical Safety Guidelines.

Frequently Asked Questions

Q: What does the HPR-80DA-H solid state relay do?

A: The HPR-80DA-H is a solid state relay that uses a DC control signal to switch an AC output load of up to 80 amps. It is commonly used in industrial temperature controllers, heaters, motors, and automated systems where reliable, high-current switching is required.

Q: Is this relay compatible with FOTEK and Yangming control systems?

A: Yes. The HPR-80DA-H is designed for compatibility with FOTEK and Yangming industrial control systems, as well as other standard PLC and microcontroller-based automation platforms that use DC control signals.

Q: What are the advantages of a solid state relay over a mechanical relay?

A: Solid state relays have no moving parts, which means they operate silently, produce no arcing or sparking, switch faster, generate less electromagnetic interference, and have a much longer operational lifespan than traditional mechanical relays — making them ideal for high-cycle industrial applications.

Q: What current and load type can this relay handle?

A: The HPR-80DA-H is rated for up to 80 amps of AC output current, making it suitable for high-power industrial loads such as large heating elements, motors, and heavy-duty electrical equipment.