Siemens Building Technology ZM121/A Electronic Connection Module Signal Transducer/Power Amplifier 0-20V 4-20mA Phase Cut Interface

The Siemens ZM121/A Electronic Connection Module is a signal transducer and power amplifier which seeks to improve the performance of HVAC systems. Input signals of either and are accepted by this module and transformed into a phase cut interface output signal for accurate control and modulation of connected devices. This module is the perfect use for the heating, ventilation, and air conditioning systems it can amplify control signals to drive larger loads or interface with many components. It provides the ability to efficiently perform complex HVAC duties and provides improved signal integrity and control precision. With a construction and reliable performance it's an essentialpart of keeping systems operational and efficient by allowing environmental conditions.