Intercom Siedle SET CA 812-2 E/W

The Siedle SET CA 812-2 E/W is a wired audio intercom set in 1+n technology that provides calling, two-way speech and door release functions in a compact stainless steel and white design. The set includes an outdoor audio door station with integrated loudspeaker, two standard indoor handsets and a transformer. Each Compact door station can be extended with one additional indoor station per call button and can be equipped with a secondary signal unit.

Advantages

The system offers a durable brushed stainless steel panel for surface mounting and backlit, front-exchangeable nameplates and an info sign for house numbers or logos. The outdoor station features an adjustable voice volume and integrated loudspeaker, while the indoor handsets provide adjustable call volume up to 83 dB(A), door release and light buttons, and simple installation with plug-in spiral cables. The transformer includes thermal protection and double secondary terminals.

Suitable for

• Residential entrances with one or two call buttons
• Small apartment buildings or multi-dwelling installations
• Commercial premises requiring a simple wired audio entry system
• Retrofit projects needing surface-mounted installation

Key specifications

• Model: Siedle SET CA 812-2 E/W (CA 812-2 door station, HTS 811-0 indoor handsets, TR 603-0 transformer)
• Technology: wired 1+n
• Integrated call buttons: 2 (on CA 812-2)
• Indoor handsets included: 2 standard telephones
• Outdoor panel material: brushed stainless steel (surface mounting)
• Indoor max. volume: adjustable up to 83 dB(A)
• Call types: door call as 3-tone; storey call possible as 2-tone with ZERT 811-0
• Transformer: thermal protection, double secondary terminals

How to use

Mount the CA 812-2 outdoor station on the surface using the brushed stainless steel panel and connect the HTS 811-0 indoor handsets using the 1+n wiring to the TR 603-0 transformer. Use the front-changeable backlit nameplates to label call buttons and set the info sign for house numbers or logos. Adjust the outdoor voice volume and the indoor handset volume via the external volume control; the handset volume can be set up to 83 dB(A). If required, add an extra indoor station per call button and/or a secondary signal unit following Siedle extension options.

Usage recommendations

For reliable operation, install the transformer in a ventilated location and observe local electrical installation standards. When extending the system with additional indoor stations, ensure wiring follows the 1+n topology and use Siedle-approved accessories for compatibility.