Finder 77 Series Solid State Relay, 25 A, 280 V AC, Zero-Crossing, SPST-NO, Panel Mount 77A190248250

The Finder 77 Series solid state relay switches 25 A loads up to 280 V AC with zero-crossing technology, reducing electrical noise and extending lamp life. Its DC control input accepts 4–32 V, making it compatible with PLC outputs and logic circuits.

Highlights

• 25 A output current rating
• Zero-crossing switching for reduced EMI
• Wide 24–280 V AC load voltage range
• Control voltage 4–32 V DC
• SPST-NO contact configuration
• Green LED status indicator
• Panel mount with screw terminals

In daily use

This relay is suited for resistive loads such as heaters, lamps, and solenoids. The integrated LED confirms input status at a glance, while the self-extinguishing plastic housing meets safety requirements for panel installations.

Full specifications

• Output current rating: 25 A
• Output voltage range: 24–280 V AC
• Switching type: Zero-crossing
• Control voltage range: 4–32 V DC
• Output configuration: SPST-NO
• Isolation voltage: 4000 V AC
• Surge current rating: 250 A (10 ms)
• On-state voltage drop: < 1.6 V @ 25 A
• Off-state leakage current: < 1 mA @ 280 V AC
• Operating temperature range: -20 to +70 °C
• Mounting type: Panel mount
• Status indicator: Green LED
• Terminal type: Screw terminals
• Housing material: Self-extinguishing plastic

Final note

A robust solid state relay for industrial control applications, combining high current handling with reliable zero-crossing performance.