The CI series architecture typically supports snap-on auxiliary contact blocks for signaling or interlocking with other refrigeration system components

making it a standard choice for technicians upgrading or maintaining commercial heating systems

leading to loss of adjustment calibration

Can I replace a NEMA contactor with this IEC unit

When brazing the 1/2" ODF connections

Siemens Building Technology GBB161.1P Actuator 323613-751 The CI series architecture typicallyThe Siemens GBB161. 1P is a heavy duty OpenAir electronic damper actuator engineered for precise modulating control in commercial HVAC systems. Delivering a high torque output of 221 lb in (25 Nm), this non spring return (NSR) unit is a standard choice for managing large scale dampers in variable air volume (VAV) units, air handlers, and rooftop systems. Operating on a 24VAC supply, it accepts a 0 10VDC control signal, facilitating seamless 0 to 100%