







Description
SFERA basic speaker module for the creation of 2 WIRE intercom systems.
The module is equipped with speaker and microphone volume adjustments and is able to manage up to a maximum of 100 button calls, using additional double row button modules.
It also allows the opening of an electric lock connected directly to the S+ and S- terminals (18 V 4 A impulsive - 250 mA maintenance at 30 ohm max) and the connection of a local door release button to the PL terminals.
The SFERA speaker module must be completed with a finishing front and must be physically configured.
Datasheet
• Sphere Series
• Occupies 1 module
• Height 91 mm
• Width 115 mm