{"product_id":"siemens-15-171-339-mk-air-breaker-solenoid-coil","title":"Siemens 15-171-339-MK Air Breaker Solenoid Coil","description":"\u003cdiv\u003e\u003cp\u003eSiemens Allis-Chalmers 15-171-339-MK Air Breaker Solenoid Coil is a replacement closing coil used to actuate the closing mechanism on compatible air circuit breakers, translating an electrical control signal into the magnetic force that seizes the breaker contacts, a function critical to restoring normal operation after a fault. As part of the 15-171-339 family, this coil is designed to replace a worn or failed closing solenoid in Siemens\/Allis-Chalmers equipment and is commonly specified when servicing legacy switchgear in industrial power distributions, including facilities that rely on these older air-breaker assemblies for primary protection. Related MK-series configurations exist with different control voltages, including 15-171-339-001 (48 VDC), MK008 (125 VDC), and MK009 (250 VDC) variants, so confirming the exact voltage rating and breaker compatibility is essential before ordering to prevent misfit or improper actuation. To ensure proper operation and continued protection, verify the exact breaker model, mounting orientation, terminal pins, and voltage requirements with the supplier or a qualified technician before installing the coil, and consult the relevant service literature for wiring polarity and energization sequence.\u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":46268007612650,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-016.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/siemens-15-171-339-mk-air-breaker-solenoid-coil","provider":"GTG Hardware","version":"1.0","type":"link"}