{"product_id":"allen-bradley-1734-ow4-point-i-o-4-channel-relay-output-module","title":"Allen-Bradley 1734-OW4 POINT I\/O 4-Channel Relay Output Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1734-OW4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density, 4-channel electromechanical relay output module within the POINT I\/O family. It provides four Form A (normally open) isolated contacts to control a variety of load types, including solenoids, contactors, and motor starters. This module bridges the gap between low-voltage logic and high-power field devices across distributed I\/O networks. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your control system maintains factory-spec switching integrity and long-term cycle life.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1734-OW4 utilizes high-grade contact materials to handle significant inductive and resistive loads:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 Form A Isolated (N.O.) Relays\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContact Rating (AC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120\/240V AC, 2.0 A @ 50\/60 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContact Rating (DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5…30V DC, 2.0 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250V (Continuous), Tested @ 2550V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.8 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5V DC, 90 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSwitching Frequency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.3 Hz max @ rated load\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eElectrical Life\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100,000 operations (minimum)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWire Size\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.25…2.5 mm² (22…14 AWG)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.06 kg (0.13 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 1734-OW4 addresses specific field integration challenges through its compact, modular design:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLoad Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module provides 250V continuous isolation between individual contact sets and the field-side to system-side. This architecture protects sensitive backplane electronics from voltage spikes and transients generated by high-power field devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimal Heat Footprint:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a maximum power dissipation of only 0.5 W, this module facilitates high-density mounting. It prevents heat saturation in small enclosures, even when multiple relay modules operate simultaneously.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGranular Scalability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe POINT I\/O form factor allows you to add relay channels in increments of four. This solves the problem of \"over-provisioning,\" where engineers previously had to buy 8 or 16-channel blocks for small-scale switching tasks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Snubber Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAn integrated snubber circuit manages off-state leakage and protects the contacts during inductive \"break\" operations (180 VA break rating). This extends the mechanical life of the relay beyond standard commercial-grade components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1734-OW4 switch both AC and DC loads on the same module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Because each of the four relay outputs is isolated, you can mix different voltage levels and types (AC or DC) across the channels, provided each remains within the 250V isolation and 2.0 A current limits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum switching speed for this relay?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis module supports a maximum switching frequency of one operation every three seconds (0.3 Hz). Exceeding this rate with a full rated load will significantly reduce the expected electrical life of the contacts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require a specific terminal base?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1734-OW4 installs into a 1734-TB or 1734-TBS terminal base. The base determines the final screw torque, but the module itself handles the signal routing. Ensure you select the base that matches your wiring preference (screw or spring clamp).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit compatible with any POINT I\/O adapter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1734-OW4 maintains universal compatibility with all POINT I\/O adapters, including EtherNet\/IP (1734-AENT), ControlNet, and DeviceNet versions. It draws 90 mA from the backplane, so you must calculate your power budget when assembling large I\/O racks.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53423144304824,"sku":"1734-OW4","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1734-OW4.jpg?v=1777540892","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1734-ow4-point-i-o-4-channel-relay-output-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}