---
lang: "en"
title: "KNX IO 546.1 - KNX 1..10 V Dimmable Actuator 1-fold and Switching Actuator 1-fold"
sku: "KNX IO 546.1"
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end_of_life: "false"
---

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KNX IO 546.1 - KNX 1..10 V Dimmable Actuator 1-fold and Switching Actuator 1-fold

The KNX IO 546.1 secure (1D1O) is a compact combined dimming and switching actuator with 1 dimming output for active electronic ballasts with a 0/1-10V interface and 1 bistable relay output. The dimming actuator can be used for various active electronic ballasts, for example for LED panels or strips. Each configuration allows the channel to be controlled via switching, relative dimming, and dimming value. Several comfort functions are also integrated, including scenes, sleep fade, staircase light, and sequencer. The device optionally supports KNX security.

The switching actuator provides the function for universal outputs, including scenario control, timer, staircase lighting, and heating valves (PWM for thermoelectric valve drives). Two push buttons and three LEDs allow local operation and status visualization of the device. In addition to the output channels, the device includes 16 independent functions for logic or timed control.

Compact dimming/switching actuator with one dimming channel for connecting active electronic ballasts (ECG) with a voltage of 0/1...10 V. 0/1..10 V⎓ and one relay output. The relay output can be used for load switching.

## Technical Features

- Output for 0/1..10 V⎓ / max. 50 mA
- Scenes, sequencer, staircase function, adjustable dimming curve
- Relay 250 V∿ / 10 A, bistable
- Integrated logic and timer functions
- Also compatible with 0..10 V⎓ actuators (valves)
- Connections: KNX, pluggable screw terminals for IO
- Optional KNX security support
- For DIN rail, 1 unit width (18 mm)

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Source: https://shop.marcomweb.it/en/konnex/knx-io-5461-knx-110-v-dimmable-actuator-1-fold-and-switching-actuator-1-fold

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