The SB-293 Satellite Expansion Board plugs directly onto the PXL-250 to provide an additional 8 general purpose inputs and 4 general purpose outputs. With a simple jumper setting, two of the inputs and two of the outputs are configured to economically manage a second door.
UL/CSA Certification:
The SB-293 is UL certified under UL-508 (Control Equipment).
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Data Sheet
