{"product_id":"allen-bradley-1771-wb-12-terminal-field-wiring-arm","title":"Allen Bradley 1771-WB 12-Terminal Field Wiring Arm","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1771-WB is a 12-terminal field wiring arm for PLC-5 I\/O modules. It plugs onto the front of 1771 series modules to provide screw terminal connection points for field wiring, allowing module replacement without disconnecting wires.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e 12 screw terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlating:\u003c\/strong\u003e Gold-plated contacts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e 1771 series I\/O modules requiring 12-terminal connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Swing-arm terminal block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e PLC-5 \/ 1771 I\/O chassis\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAllows module removal and replacement without disturbing field wiring\u003c\/li\u003e\n\u003cli\u003eGold-plated terminals ensure reliable, corrosion-resistant connections\u003c\/li\u003e\n\u003cli\u003eSwing-arm design provides clear access to terminals during installation\u003c\/li\u003e\n\u003cli\u003eKeyed to prevent incorrect module insertion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich modules use the 1771-WB?\u003c\/strong\u003e It is used with 1771 I\/O modules that require a 12-terminal wiring arm, such as the 1771-QC servo positioning assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the WB tin or gold plated?\u003c\/strong\u003e The 1771-WB features gold-plated terminals; the 1771-WD is the tin-plated equivalent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes it include a fuse?\u003c\/strong\u003e No, the standard WB has no fuses; fused variants like the WHFB include fuse holders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eWire all field devices to the terminals on the wiring arm before installing the module.\u003c\/li\u003e\n\u003cli\u003eAlign the wiring arm with the module connector and press firmly until it latches.\u003c\/li\u003e\n\u003cli\u003eSwing the arm into its operating position against the module face.\u003c\/li\u003e\n\u003cli\u003eVerify terminal screws are torqued to specification.\u003c\/li\u003e\n\u003cli\u003eLabel each wire using the provided terminal identification strip.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMatch the wiring arm to the module: check the module datasheet for the required arm (WA, WB, WC, WD, WG, WH, or WN).\u003c\/li\u003e\n\u003cli\u003eChoose gold-plated WB for low-level analog or high-reliability applications.\u003c\/li\u003e\n\u003cli\u003eOrder spare arms to minimize downtime during field wiring changes.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52976973742391,"sku":"1771-WB","price":239.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/8343\/6343\/files\/1771-WB_2_c323d4c6-bf52-4360-a7c9-fbed6a74b252.jpg?v=1789108928","url":"https:\/\/www.controltech-supply.com\/products\/allen-bradley-1771-wb-12-terminal-field-wiring-arm","provider":"ControlTech Supply Limited","version":"1.0","type":"link"}