4 Pole contactor, Rail Mount, 9A 50 (P#8712536) 8712536 Category: Siemens Healthcare Low Prices Price match guarantee Guaranteed Fitment. Always the correct part In-House Experts. We know our products Easy Returns. Quick & Hassle Free 8712536 – 4 Pole contactor, Rail Mount, 9A 50 Description Description 4 Pole contactor, Rail Mount, 9A 50