{"product_id":"ansaldo-sts-union-switch-signal-pd-1-vital-relay","title":"Ansaldo STS Union Switch \u0026 Signal PD-1 Vital Relay","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSupport compatible railway signaling and control systems with the Ansaldo STS \/ Union Switch \u0026amp; Signal PD-1 DC Biased Vital Relay. Designed as a specialized vital relay, this component is intended for compatible signaling applications where dependable relay operation and precise system matching are essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DC-biased configuration provides a specific electrical characteristic for compatible railway control circuits and signaling equipment. Its PD-1 model designation makes identification easier when sourcing a replacement component or maintaining equipment that requires a matching relay specification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFeaturing Ansaldo STS and Union Switch \u0026amp; Signal identification, this relay is a useful component for compatible rail signaling maintenance, repair, restoration, and replacement inventories. Always verify relay specifications, coil requirements, contact configuration, mounting arrangement, and system compatibility before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePD-1 Model:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Specific model designation simplifies identification and replacement matching.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRail Signaling:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for compatible railway signaling and control-system applications.\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eVital Relay:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for compatible railway signaling and safety-critical control applications.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDC Biased:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DC-biased configuration provides a defined characteristic for compatible control circuits.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eReplacement Ready:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for compatible maintenance, repair, restoration, and service inventories.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAnsaldo STS:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Recognized railway signaling manufacturer associated with Union Switch \u0026amp; Signal equipment.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSpecialized Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Intended for equipment requiring a dedicated relay configuration and specification.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e PD-1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eProduct Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Vital Relay\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eConfiguration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DC Biased\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Railway Signaling \/ Control\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ansaldo STS \/ Union Switch \u0026amp; Signal\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Union Switch \u0026 Signal Inc.","offers":[{"title":"Default Title","offer_id":51224154734894,"sku":"EB-256374928128","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/2417\/4638\/files\/57_9e98772c-06ea-4360-882f-de3f5d5a92b2.jpg?v=1761919402","url":"https:\/\/decoysupply.com\/products\/ansaldo-sts-union-switch-signal-pd-1-vital-relay","provider":"Decoy Supply","version":"1.0","type":"link"}