OmronG9SA-501Safety Relay UnitSeries G9SA24VAC/DCJapanThe Omron G9SA-501 is a safety relay unit with two channels, 45 mm, 24VAC/VDC, 5NO, and 1NC. It is afive-pole model with one or two input channels and PNP common input. The G9SA-501 can be used asan emergency stop unit.Have some marks and scratches due to old stock.Power on & tested item tested picture are attached.© All the pictures are Organic and this part is physically in our stock.