{"product_id":"allen-bradley-1444-relx00-04rb-relay-expansion-module","title":"Allen-Bradley 1444-RELX00-04RB Relay Expansion Module","description":"\u003ch1\u003eAllen-Bradley 1444-RELX00-04RB Relay Expansion Module\u003c\/h1\u003e\n\u003cp\u003eConfigured for providing additional relay outputs in the Dynamix 1444 Integrated Machinery Monitoring System, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1444-RELX00-04RB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e1444-RELX00-04RB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRelay Expansion Module) provides direct electrical execution for alarms, trips, and machine protection logic across Dynamix 1444 platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1444-RELX00-04RB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.18 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e65 × 54 × 154 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e18–32 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Current\u003c\/td\u003e\n\u003ctd\u003e8 A (limited voltage source)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Contact\u003c\/td\u003e\n\u003ctd\u003eSingle Pole Double Throw (SPDT), change-over\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation\u003c\/td\u003e\n\u003ctd\u003e250 V continuous, type-tested at 1500 V AC for 60s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN-35 rail mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003eUp to 2 m\/s², 500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, C-UL-US, RCM, ATEX, IECEx, KC (KCC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eIEC 60068, IEC 61000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegration\u003c\/td\u003e\n\u003ctd\u003eLocal bus connection to Dynamix 1444 modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired Accessories\u003c\/td\u003e\n\u003ctd\u003e1444-TB-B terminal base, 1444-REL-RPC connector set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDeterministic EtherNet\/IP Expansion Logic\u003c\/h3\u003e\n\u003cp\u003eThe 1444-RELX00-04RB supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProfinet \/ EtherNet\/IP deterministic networks\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor scalable relay output expansion. Each relay operates independently with defined voltage and current limits to maintain isolation and predictable protection behavior. Firmware compatibility ensures relay timing and sequencing remain consistent with connected 1444-DYN04-01RA modules, enabling synchronized machine protection across multiple monitoring nodes.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Can multiple relay expansion modules be connected to a single Dynamic Measurement Module?\u003cbr\u003eA: Yes. Up to three 1444-RELX00-04RB modules can be connected to one 1444-DYN04-01RA module using the specified 1444-TB-B base and 1444-REL-RPC connector set.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum switching current for each relay?\u003cbr\u003eA: Each SPDT relay supports up to 8 A, provided the supply voltage does not exceed 32 V DC.\u003c\/p\u003e\n\u003cp\u003eQ: Are the relay modules suitable for harsh industrial environments?\u003cbr\u003eA: Yes. The module is conformally coated and certified for shock, vibration, and compliance with IEC 60068 environmental standards.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMount the module on a 1444-TB-B terminal base and connect using the 1444-REL-RPC connector set.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRoute relay wiring separately from analog signal and high-current power lines to minimize noise coupling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure DIN-35 rail is properly grounded and mechanically secure to prevent vibration-induced contact faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify all module bus connections to Dynamix 1444 controllers before applying power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eObserve environmental limits; avoid condensation and maintain ambient temperatures within -25 to +70 deg C. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43426192195674,"sku":"1444-RELX00-04RB","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1444-RELX00-04RB2.jpg?v=1779938534","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1444-relx00-04rb-relay-expansion-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}