{"product_id":"1606-xlb120e-switched-mode-power-supply-allen-bradley-1606-xl-unit","title":"1606-XLB120E Switched-Mode Power Supply Allen-Bradley 1606-XL Unit","description":"\u003ch3\u003ePower Conversion Architecture \u0026amp; Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley \u003cb\u003e1606-XLB120E\u003c\/b\u003e is a high-efficiency 120W switched-mode DIN-rail power supply engineered within the reliable \u003cb\u003e1606-XL\u003c\/b\u003e product family. Designed for industrial control cabinets, it features an autoselect AC input stage supporting 100V–120V \/ 200V–240V nominal lines (50\/60 Hz), delivering a clean, regulated DC output adjustable from 24V to 28V at a continuous 5A rating. With peak efficiencies reaching up to 92.3% and minimal thermal dissipation, it provides stable power delivery for critical automation hardware.\u003c\/p\u003e\n\u003cp\u003eAutomation engineers specify the \u003cb\u003e1606-XLB120E\u003c\/b\u003e power module for compact control panels where high power density, built-in DC-OK relay monitoring, and robust electromagnetic compatibility (EMC) are essential for continuous uptime.\u003c\/p\u003e\n\u003ch3\u003eComprehensive Technical Parameters Table\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand Manufacturer:\u003c\/b\u003e Allen-Bradley (Rockwell Automation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProduct Series:\u003c\/b\u003e \u003cb\u003e1606-XL\u003c\/b\u003e Switched-Mode Power Supply Family\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number \/ Model:\u003c\/b\u003e \u003cb\u003e1606-XLB120E\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNominal DC Output Voltage:\u003c\/b\u003e DC 24V to 28V adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNominal Output Current:\u003c\/b\u003e 5.0A at 24V DC \/ 4.3A at 28V DC (120W total capacity)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Ripple \u0026amp; Noise:\u003c\/b\u003e 100 mVpp maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Voltage Range:\u003c\/b\u003e Autoselect AC 100–120V \/ 200–240V (±10% tolerance)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Frequency:\u003c\/b\u003e 50 Hz \/ 60 Hz (±6% tolerance)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Current (120V \/ 230V AC):\u003c\/b\u003e 1.71A \/ 1.05A typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Factor \u0026amp; Efficiency:\u003c\/b\u003e PF 0.64 \/ 0.54; Efficiency up to 91.2% (120V) and 92.3% (230V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInrush Current (Peak):\u003c\/b\u003e 22A at 120V AC \/ 33A at 230V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperational Temperature Range:\u003c\/b\u003e -10°C to +70°C (with thermal derating of 3W\/°C above +50°C\/+55°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStorage Temperature Range:\u003c\/b\u003e -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTerminal Specifications:\u003c\/b\u003e 0.5–4 mm² stranded \/ 0.5–6 mm² solid wire (20–10 AWG); 7 mm stripping length; 1 Nm (9 lb·in) torque\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDiagnostic Features:\u003c\/b\u003e Integrated DC-OK relay contact output included\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEMC Compliance:\u003c\/b\u003e IEC 61000-6-1\/2 immunity; IEC 61000-6-3\/4 emissions; EN 55011\/22 Class B\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePhysical Dimensions (W x H x D):\u003c\/b\u003e 39 mm x 124 mm x 124 mm (excluding DIN rail)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUnit Net Weight:\u003c\/b\u003e 370 g (0.81 lbs) maximum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eAccording to Global PLC Spare HUB's Insight, proper thermal management is crucial when deploying compact 120W supplies like the \u003cb\u003e1606-XLB120E\u003c\/b\u003e in densely packed enclosures. Field technicians note that ignoring the 3W\/°C output derating curve above +50°C\/+55°C ambient temperature can lead to premature power supply thermal foldback. Ensuring adequate horizontal spacing between adjacent DIN-rail components prevents localized hot spots and guarantees long-term electrolytic capacitor lifespan.\u003c\/p\u003e\n\u003ch3\u003eTarget Industrial Equipment \u0026amp; Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePLC \u0026amp; Controller Racks:\u003c\/b\u003e Powers Allen-Bradley ControlLogix and CompactLogix processor chassis reliably.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDistributed I\/O Drops:\u003c\/b\u003e Supplies 24V DC power to remote input\/output terminal blocks across automated assembly cells.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHMI Operator Terminals:\u003c\/b\u003e Energizes touchscreens and industrial panel PCs in factory floor control stations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSensor \u0026amp; Actuator Loops:\u003c\/b\u003e Drives photoelectric sensors, inductive proximity switches, and solenoid valve islands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRelay Control Cabinets:\u003c\/b\u003e Powers auxiliary safety relays, intermediate control blocks, and indicator light circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic Capabilities \u0026amp; Output Monitoring\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e1606-XLB120E\u003c\/b\u003e incorporates built-in hardware monitoring features to assist maintenance personnel during troubleshooting:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDC-OK Relay Output:\u003c\/b\u003e Provides dry contact feedback to alert upper-level PLC logic if output voltage drops below nominal operating thresholds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFront Panel LED Status:\u003c\/b\u003e Visual green LED indicator confirms active secondary DC voltage generation and regulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOverload \u0026amp; Short-Circuit Protection:\u003c\/b\u003e Electronic current limitation protects downstream circuits against sudden load faults without blowing internal fuses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExpress Logistics \u0026amp; 12-Month Warranty Coverage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty Terms:\u003c\/b\u003e Backed by a comprehensive 12-month replacement warranty covering manufacturer defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDispatch Lead Time:\u003c\/b\u003e Rapid order processing and secure worldwide dispatch within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGlobal Carriers:\u003c\/b\u003e Express international delivery managed through FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProfessional Frequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ1: Does the 1606-XLB120E power supply require manual voltage range selection between 120V and 230V?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA1: No, the \u003cb\u003e1606-XLB120E\u003c\/b\u003e unit features an autoselect input stage that automatically adjusts to AC 100–120V or AC 200–240V nominal supply lines.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ2: How should I account for ambient temperature when sizing this 120W power supply for my cabinet?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA2: If your enclosure internal temperature exceeds +50°C or +55°C, you must apply the 3W\/°C output derating factor to calculate the actual usable wattage safely available from the unit.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ3: What is the purpose of the DC-OK contact on this power supply?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA3: The DC-OK contact provides a hardwired diagnostic signal to your control system, changing state to indicate whether the output voltage has dipped out of regulation.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ4: What wire gauge and tightening torque are recommended for secure terminal block connections?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA4: Use copper wire ranging from 20 to 10 AWG (0.5–4 mm² stranded or 0.5–6 mm² solid), strip exactly 7 mm of insulation, and torque terminal screws to 1 Nm (9 lb·in).\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ5: What purchasing guidelines ensure optimal selection when replacing obsolete Allen-Bradley power units?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA5: When selecting a replacement, verify that your total continuous load current stays well within the 5.0A limit, and match the exact physical dimensions (39mm width) to ensure it fits your existing DIN-rail layout.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":67613789290678,"sku":"1606-XLB120E","price":154.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1606-XLB120E.jpg?v=1791618856","url":"https:\/\/www.plcsparehub.com\/products\/1606-xlb120e-switched-mode-power-supply-allen-bradley-1606-xl-unit","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}