{"product_id":"liftmaster-contact-block-1","title":"K90-78002KT CONTACT BLOCK","description":"\u003cp class=\"richp\"\u003eProvides additional contacts on the reversing contactor to control auxiliary devices such as lights or audible devices that are to be on or off when the door is moving in a \u003c\/p\u003e\u003cp class=\"richp\"\u003eparticular direction. A maximum of two contact blocks can be supplied, one on the OPEN cycle and one on the CLOSE cycle. Each contact block has one normally OPEN (form A) and one normally CLOSED (form B) contact that can be used independently or paired to make a form C contact and is rated 10 Amps at 125\/250 VAC. Four terminal block connection points are provided for field wiring. When ordering, specify whether the contact block will be on the OPEN or the CLOSE side of the contactor. Must be factory installed. \u003c\/p\u003e\u003cp class=\"richp\"\u003eNot available with Hazardous Area (M105), Dynamic Brake (M5) or Variable Speed (M37) Modifications. Starter panel modification only. Not for use with Logic 5.0 Door Operators; use (M51) modification instead.\u003c\/p\u003e","brand":"CHAMBERLAIN","offers":[{"title":"Default Title","offer_id":46381085655178,"sku":"K90-78002KT","price":101.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/7978\/5354\/files\/LiftMaster_Logo_34d35bd8-d62e-4207-8c30-1dc8bf91e4c9.jpg?v=1754588580","url":"https:\/\/www.rsoperators.com\/products\/liftmaster-contact-block-1","provider":"R\u0026S Automation, Inc.","version":"1.0","type":"link"}