{"product_id":"allen-bradley-1746-ow4-digital-relay-output","title":"Allen-Bradley 1746-OW4 SLC 500 Relay Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-OW4 is a 4-point relay output module designed for the SLC 500 programmable controller family. This module provides versatile switching capabilities for industrial automation applications, supporting a wide range of voltage levels for both AC and DC loads. As a relay-based output unit, it offers mechanical isolation between the controller logic and the field devices, making it suitable for various control signals.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFour independent relay output channels for flexible load control.\u003c\/li\u003e\n\u003cli\u003eSupports a broad operating voltage range: 5 to 265 VAC or 5 to 125 VDC.\u003c\/li\u003e\n\u003cli\u003eUses normally open (N.O.) relay contacts for reliable circuit switching.\u003c\/li\u003e\n\u003cli\u003eCompatible with the standard Allen-Bradley SLC 500 I\/O chassis architecture.\u003c\/li\u003e\n\u003cli\u003eCompact design optimized for space-efficient control cabinet installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is typically utilized in manufacturing and process control environments where discrete output signals are required to drive actuators, pilot lights, interposing relays, or small contactors. Its ability to switch both AC and DC voltages makes it a flexible solution for mixed-signal control panels.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1746-OW4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Points\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eN.O. Relay Contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e5-265 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e5-125 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating (120 VAC)\u003c\/td\u003e\n\u003ctd\u003e1.5 A per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the SLC 500 chassis power is disconnected before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eVerify that field wiring is routed according to local electrical codes and shielded where necessary to prevent EMI.\u003c\/li\u003e\n\u003cli\u003eHandle the module using proper ESD (Electrostatic Discharge) safety practices to prevent internal component damage.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is fully seated into the backplane connector and secured with the retaining screws.\u003c\/li\u003e\n\u003cli\u003eCheck that load current requirements do not exceed the specified maximum amperage per output channel.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 1746-OW4 still in production?\u003c\/h3\u003e\u003cp\u003eNo, this model has been discontinued by the manufacturer. We provide high-quality surplus units to support legacy system maintenance and replacements.\u003c\/p\u003e\u003ch3\u003eWhat type of relay contacts does this module use?\u003c\/h3\u003e\u003cp\u003eThe 1746-OW4 features four normally open (N.O.) relay contacts, providing robust electrical isolation for your control circuits.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48841660793022,"sku":"1746-OW4","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/wm_1_d612f25d-cc1b-47ee-800d-6bed5d0828c3.jpg?v=1788575337","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-1746-ow4-digital-relay-output","provider":"AutoOilTech Limited","version":"1.0","type":"link"}