Finder solid-state-relais 77B190248250, 40 A, 280 V AC, nulddoorgang, paneelmontage

In industrial control panels and building automation, the Finder 77B190248250 solid state relay switches resistive and inductive AC loads up to 40 A. Its zero-cross switching reduces electrical noise and extends lamp life in heating, lighting, and motor applications.

Key specifications

• Output current: 40 A
• Output voltage: 24–280 V AC
• Control voltage: 4–32 V DC
• Switching type: zero-cross
• Mounting: panel mount
• Connection: screw terminals
• Operating temperature: -20 to +60 °C

Why choose it

The relay integrates an LED status indicator for quick diagnostics and provides 4000 V AC isolation between input and output. Its self-extinguishing plastic housing meets IP20 protection for use in enclosed panels.

Ideal use cases

• Heating element control
• Lighting systems
• Motor starters
• Building automation

Good to know

The relay handles non-repetitive surge currents up to 400 A (10 ms) and operates on 47–63 Hz AC supplies. Maximum input current is 15 mA at 32 V DC.