Z2100Q-K+CQKB24-RR | ZoneTight™ (QCV), 1", 2-way, Cv 8.2 |Valve Actuator, Electronic fail-safe, AC/DC 24 V, On/Off, Normally Closed, Fail-safe position Closed | Belimo Output Circuits_5 Output Circuits High Flow Capacity (Cv 340):

High Flow Capacity (Cv 340): Efficient fluid handling even under high-demand conditions

Fail-Safe Spring Return: Automatic damper closure in case of power failure

For simplified wiring

The Belimo AMB24-3 is a non-spring return damper actuator designed for precise and reliable control of air dampers in HVAC systems

^^[Part# EFCX120-S N4 is the same as EFCX120SN4]^^

Z2100Q-K+CQKB24-RR | ZoneTight™ (QCV), 1", 2-way, Cv 8.2 |Valve Actuator, Electronic fail-safe, AC/DC 24 V, On/Off, Normally Closed, Fail-safe position Closed | Belimo Output Circuits_5 Output Circuits High Flow Capacity (Cv 340):Resources Datasheet Installation Instructions More Info