Description

Technical Specifications

Parameter Name	Parameter Value
Product Model	1606-XLE80E
Manufacturer	Allen-Bradley (Rockwell Automation)
Product Type	Switched-Mode Industrial Power Supply
Product Family	Bulletin 1606, Essential Line (XLE)
Output Voltage	24 V DC nominal, adjustable 24–28 V DC
Output Current	3.3 A continuous; 120% boost (≈4 A) below +45 °C
Output Power	80 W (≈96 W with boost)
Input Voltage Range	100–240 V AC single-phase, 50/60 Hz; DC input 110–300 V
Input Current	1.24 A typ. @ 100 V AC
Inrush Current	23 A / 45 A (NTC-limited)
Efficiency	89.8% typical
Power Losses	9.1 W typical
Hold-Up Time	>60 ms @ 120 V AC
Ripple and Noise	<50 mV peak-to-peak (20 Hz to 20 MHz)
External Input Fuse	B-10 A or C-6 A
Operating Temperature	−25 °C to +70 °C (derating above +60 °C)
Relative Humidity	5% to 95% non-condensing
MTBF	2,243,000 hours (SN29500, +40 °C)
Dimensions (W×H×D)	32 × 124 × 102 mm
Weight	0.499 kg (≈1.1 lb)
Terminals	Standard screw terminals
Mounting	35 mm DIN rail or wall mount
Protection Rating	IP20
Special Feature	NEC Class 2 “Limited Power”
Certifications	UL 508, cULus, CSA, CE, GOST, KC, C-Tick (RCM), Marine, RoHS

Main Features and Advantages

The most consequential engineering feature of the 1606-XLE80E is its dynamic 120% power boost, which allows the supply to deliver approximately 4 A continuously at ambient temperatures up to +45 °C — a 20% power margin that machine builders exploit to cover motorized actuator starts, solenoid pull-in, and inrush-heavy loads without upsizing to the 120 W frame. Because this boost is available continuously rather than for a brief peak window, the unit behaves like a larger supply during sustained overload conditions, giving panel designers real headroom for load growth after commissioning.

Voltage adjustment is implemented as a multi-turn potentiometer located behind a front-panel flap, covering a 24–28 V DC range. This simple mechanism lets commissioning engineers bias the bus slightly higher to compensate for voltage drop on long cable runs to distributed I/O, or set the output precisely for buffer modules and downstream devices that specify a tight tolerance. Because the potentiometer is factory-sealed behind the flap, settings remain stable during transport and routine panel vibration.

Efficiency of 89.8% typical — achieved through a single-board topology — limits internal heat dissipation to only 9.1 W at full load, keeping panel ambient temperatures lower, extending capacitor life, and often eliminating the need for panel cooling in compact enclosures. Combined with a rated MTBF of over 2.2 million hours at +40 °C and a minimum service lifetime of 77,000 hours, the unit offers the long-term reliability expected in continuous-process and OEM machinery applications.

The NTC inrush limiter on the AC input caps turn-on current to 23 A / 45 A, allowing multiple 1606-XLE80E units to share a single upstream breaker without nuisance tripping during simultaneous power-up — a common requirement in multi-cabinet installations. A hold-up time of more than 60 ms at 120 V AC covers most short sags and power interruptions, bridging the gap until a buffer module or upstream UPS takes over.

Compliance breadth is a further advantage: UL 508 industrial control listing and NEC Class 2 “Limited Power” recognition allow direct connection to downstream Class 2 circuits without supplementary overcurrent protection, while CE, cULus, CSA, GOST, KC, C-Tick, and Marine certifications make the 1606-XLE80E suitable for global OEM programs without regional requalification. At 32 mm width, the unit delivers the highest power density in its class on the DIN rail, conserving panel real estate that can be allocated to additional I/O or terminal blocks.

Application Field

The Allen-Bradley 1606-XLE80E is specified wherever a reliable, cost-optimized 24 V DC source must be installed in a control cabinet and where the load profile fits within an 80-watt envelope. Machine-level automation is its most natural deployment: the supply powers CompactLogix and Micro800 controllers, PanelView operator terminals, CompactBlock and POINT I/O adapters, and sensor clusters on packaging machinery, conveyors, assembly stations, and material-handling equipment. Its narrow 32 mm width is particularly valuable on machines where DIN rail real estate is constrained and multiple small supplies serve isolated zones or safety groups.

Panel builders and OEMs standardize on the 1606-XLE80E as a universal 24 V DC source for small and mid-size cabinets serving pumps, fans, dampers, gate operators, and standalone process skids. Its NEC Class 2 recognition allows direct feed to Class 2 sensor loops and communication trunks without additional fusing, simplifying wiring diagrams and inspection. Water and wastewater utilities deploy the unit at lift stations, chemical-feed skids, and analyzer shelters where compact footprints and wide ambient tolerance are required.

In building automation and HVAC retrofit work, the 1606-XLE80E powers DDC controllers, damper actuators, and zone-sensor networks from single-phase building distribution, while its DC input capability accepts 110–300 V DC from building energy-storage or generator-derived buses when AC feed is unavailable.

Oil and gas midstream, mining, and food-processing facilities use the unit for instrumentation power on skid-mounted equipment, taking advantage of its −25 °C start capability and 2 g vibration rating for outdoor or mechanically active installations. Because the Essential Line sits at the value end of the Bulletin 1606 portfolio, integrators routinely specify the 1606-XLE80E in volume OEM programs where dozens or hundreds of identical supplies ship per machine family — and continue to procure it as a sustainment part to replace age-out units, standardize spares pools across multiple production lines, and preserve the original wiring diagrams without panel redesign when a failed supply must be swapped during a maintenance window.