PBA - 

Power Block, MULTI-BEAM® Series Photoelectric Sensors, SPST SCR Output, 105 to 130 Vac

PBA - Power Block, MULTI-BEAM® Series Photoelectric Sensors, SPST SCR Output, 105 to 130 Vac

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Newark Part No.:
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Product Overview

The PBA is a 3 and 4-wire Power Block is most commonly used for AC operation. As the typical hookup shows, they are intended to switch the same AC voltage as is used to power the MULTI-BEAM. However, the 16384 power block output is rated for 250VAC maximum and all can switch a voltage which is different than the supply as long as both ac circuits share a common neutral. For example, a PBA could switch a 24VAC door chime, etc. Observe local codes when mixing AC voltages in a wiring chamber. These blocks are designed to handle the inrush current of AC inductive loads like motor starters and solenoids. The holding current specification of any inductive load should not exceed the 750mA output rating. There is no minimum load requirement. These power blocks will interface directly to all ac programmable controller inputs. All contain built-in transient suppression to prevent false turn-on or damage from inductive loads and line spikes.
  • 105 to 130VAC Input voltage range
  • PST solid-state switch, NO output
  • Wiring chamber
  • Outputs of power blocks may be wired in series or parallel for AND and OR logic functions


Power Management, Sensing & Instrumentation

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