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Alarm Relay: 0
Nine general-purpose relays
doubling the pulling power by double-lining the cable through it
Constructed of heavy
Four-digit LED display and status LEDs
Phason OMNI Select Power Block (PBx-11) Alarm Relay: 0The PBx 11 is designed to control ventilation equipment for a single room. Power Blocks work with the Select Ventilation module of OMNI Select to control equipment according to your programmed settings. The 11 stage control has two variable AC stages for controlling fans or heaters, two variable 0 to 10 VDC stages for controlling variable frequency drives, and nine relays for controlling equipment such as actuators, curtain machines, single speed
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