Alerton VAV-DD7-E VAV Programmable Logic Controller 5-89VA for HVAC Zone Control Systems Interface Panel the switch is optimized for

the switch is optimized for long-term core or distribution layer use

which lacks the A-rated functional product revision of the DS200TBQDG1A

NEC and CEC Compliance: Designed to meet North American electrical installation standards

the 0-56947-40 is built for reliability and performance in high-demand environments

Alerton VAV-DD7-E VAV Programmable Logic Controller 5-89VA for HVAC Zone Control Systems Interface Panel the switch is optimized forDescription The Alerton VAV DD7 E VAV Programmable Logic Controller is designed for controlling variable air volume (VAV) HVAC systems with precision and efficiency. It provides programmable logic functionality to manage airflow, temperature, and zone conditions. The controller supports reliable performance in commercial building automation environments. Technical Specifications Condition New Never Used Surplus Brand Alerton Category Building