Finder Solid State Relay 77A382308671, 25 A, 660 V AC, Instantaneous Switching

In industrial control panels and building automation, the Finder 77A382308671 solid state relay switches AC loads up to 25 A at 660 V AC. It is used by panel builders and maintenance engineers who need fast, wear-free switching without mechanical contacts.

Key specifications

• Output current rating: 25 A
• Maximum switching voltage: 660 V AC
• Control voltage: 230 V AC
• Switching mode: instantaneous (non-zero crossing)
• Number of poles: 1
• Output type: AC
• Input type: AC
• Mounting type: panel mount
• Terminal type: screw terminals
• Operating temperature range: -20 to +60 °C
• Dielectric strength (input/output): 4 kV AC
• Maximum leakage current: < 1 mA
• Maximum surge current (10 ms): 250 A
• Operating frequency: 47 - 63 Hz
• Series: Finder Series 77

Why choose it

Solid state relays have no moving parts, so they operate silently and resist vibration. The instantaneous switching type responds immediately to the control signal, making it suitable for applications that require precise timing.

Ideal use cases

• Heating control in ovens and furnaces
• Motor starting circuits
• Lighting control for incandescent loads
• Plastic injection molding machines

Good to know

The relay is panel mounted and connects via screw terminals. It is designed for AC input and output, with a control voltage of 230 V AC.