4 Pole contactor, Rail Mount, 17A 5 (P#8712544) 8712544 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 8712544 – 4 Pole contactor, Rail Mount, 17A 5 Description Description 4 Pole contactor, Rail Mount, 17A 5