Finder 19.21.0.024 Twilight Switch with Timer and Feedback Contact, 1 CO 10 A, 24 V AC/DC

With a 10 A changeover contact and an integrated timer, this Finder Series 19 twilight switch handles lighting control up to 2500 VA. The built-in feedback contact enables status monitoring, while the 1–80 lux sensitivity range and 1–150 s ON/OFF delay allow precise automation.

Overview

The Finder 19.21.0.024 is a DIN rail mounted twilight switch with timer, designed for automatic lighting control based on ambient light levels. It features a single changeover contact rated at 10 A and operates on a 24 V AC/DC supply. The light sensitivity is adjustable from 1 to 80 lux, and the integrated timer provides an adjustable ON/OFF delay from 1 to 150 seconds. A feedback contact is included for status indication. The device occupies 2 modules (35 mm) on a DIN rail and has an operating temperature range of -30 to +70 °C.

What stands out

• Integrated timer with adjustable 1–150 s ON/OFF delay
• Wide light sensitivity range: 1–80 lux
• Feedback contact for monitoring switching status
• Compact 2-module DIN rail housing
• High switching capacity: 2500 VA

Technical details

• Contact configuration: 1 CO (changeover)
• Rated current: 10 A
• Supply voltage: 24 V AC/DC
• Switching voltage: 250 V AC
• Max. switching power (AC1): 2500 VA
• Contact material: AgSnO2
• Mounting: DIN rail
• Number of modules: 2 (35 mm)
• Operating temperature: -30 to +70 °C
• Power consumption: < 1 W

Our verdict

A versatile twilight switch with timer and feedback contact, ideal for automated lighting control in residential and commercial applications. Its wide adjustment ranges and robust switching capacity make it a reliable choice for demanding environments.