{"product_id":"05701-a-0328-honeywell-triple-spco-relay-card","title":"05701-A-0328 | Honeywell Triple SPCO Relay Card","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 05701-A-0328\u003c\/strong\u003e is a \u003cstrong\u003eTriple SPCO (Single Pole Changeover) Relay Card\u003c\/strong\u003e for the System 57 gas detection platform. It provides relay outputs for three alarm levels (A1, A2, A3) plus Fault and Inhibit status, enabling comprehensive alarm management for gas detection channels.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e 05701-A-0328\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Honeywell System 57\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Relay Card — Triple SPCO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Configuration:\u003c\/strong\u003e A1, A2, A3, Fault \u0026amp; Inhibit (Single Pole Changeover Relays)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Contact Rating:\u003c\/strong\u003e \u003cstrong\u003e5A at 110V\/250V AC\u003c\/strong\u003e (non-inductive); \u003cstrong\u003e5A at 32V DC\u003c\/strong\u003e (non-inductive)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Operation:\u003c\/strong\u003e Selectable latching\/non-latching, energised\/de-energised\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e \u003cstrong\u003e1.0W\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 112 mm × 25 mm × 102 mm (H × W × D)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 205g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Terminals:\u003c\/strong\u003e 2.5 mm² (14 AWG)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCore Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFive independent SPCO relays for comprehensive alarm output coverage\u003c\/li\u003e\n\u003cli\u003eDedicated relays for A1, A2, A3 alarm levels plus Fault and Inhibit\u003c\/li\u003e\n\u003cli\u003eConfigurable relay operation modes\u003c\/li\u003e\n\u003cli\u003eDirect interface between control cards and field-connected gas sensors\u003c\/li\u003e\n\u003cli\u003eCompact plug-in design for System 57 sub-racks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGas detection alarm annunciation\u003c\/li\u003e\n\u003cli\u003eVentilation control activation\u003c\/li\u003e\n\u003cli\u003eEmergency shutdown signaling\u003c\/li\u003e\n\u003cli\u003eProcess safety interlock systems\u003c\/li\u003e\n\u003cli\u003eFire and gas monitoring relay outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many relays does the 05701-A-0328 provide?\u003c\/strong\u003e\u003cbr\u003e\nA: The card provides five SPCO relays: one each for A1, A2, A3 alarm levels, plus one for Fault and one for Inhibit status.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 05701-A-0327 and 05701-A-0328?\u003c\/strong\u003e\u003cbr\u003e\nA: The 05701-A-0327 is a Double SPCO relay card (A1, A2 \u0026amp; Fault), while the 05701-A-0328 is a Triple SPCO relay card adding A3 and Inhibit relays.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower down the System 57 rack completely.\u003c\/li\u003e\n\u003cli\u003eInsert the relay card into the appropriate sub-rack slot.\u003c\/li\u003e\n\u003cli\u003eConnect field wiring to the terminal block.\u003c\/li\u003e\n\u003cli\u003eConfigure relay operation modes via the engineering card.\u003c\/li\u003e\n\u003cli\u003ePerform functional testing of all relay outputs.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect 05701-A-0328 when three alarm levels (A1\/A2\/A3) are required.\u003c\/li\u003e\n\u003cli\u003eFor applications needing only two alarm levels, 05701-A-0327 may be sufficient.\u003c\/li\u003e\n\u003cli\u003eFor redundant relay outputs per alarm level, consider 05701-A-0330 (High Integrity).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53827271983288,"sku":"05701-A-0328","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/05701-A-0328.png?v=1785223316","url":"https:\/\/www.globalpetroparts.com\/products\/05701-a-0328-honeywell-triple-spco-relay-card","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}