ELSNER 70550 KNX S1R-B4 Compact Multifunction Actuator - 4 Binary Inputs

MT Code: ELS_70550
Manufacturer Code: 70550
Brand: ELSNER

The ELSNER 70550 product, called KNX S1R-B4 compact, is a multifunctional actuator designed to be integrated into the KNX automation system. This device is ideal for controlling various types of drives, such as actuators for curtains, blinds, windows and awnings.

Key Features

The KNX S1R-B4 compact actuator has a potential-free multifunctional output, which can be configured to control a drive with up/down functions (for example, curtains, blinds, windows) or two switchable devices (for example, lights and fans).

Exits

2 potentially free outputs with screw terminals for cables from 0.5 to 2.5 mm²
Nominal voltage: 250 V AC
Switching current (ohmic): maximum 4 A
Total current (protected by an integrated T4A/250 V fuse): maximum 4 A
Maximum motor power: 600 VA
Maximum power for LED/SBL lamps: 15 W per contact
Maximum power for fluorescence/CFL lamps: 36 W per contact

Digital Revenue

4 digital inputs for connecting binary contacts
Examples of connections: zero position sensor or button
Maximum cable length: 10 m

Control functions

Integrated shade control with blade adjustment for blinds based on the position of the sun
Scene control with 16 scenes that can be saved and recalled via bus
Position feedback (position of movement, also position of the slats for the shutters)
Storage of the position (position of movement) by means of a 1-bit object (storage and recall, for example, by means of buttons)
Locking and unlocking two drives using zero position sensors to prevent collisions (e.g., shading and window, master-slave)
Priority for security functions, with the possibility of setting manual or automatic priorities through time or subject of communication
Temporary restriction (motion control blocked) and 2 movement limits