Application Scenarios
A food processing plant operates a packaging line controlled by a legacy Allen-Bradley SLC 500 PLC system. The control panel’s original 1606-XL240E power supply failed after 12 years of continuous operation, leaving the entire line down. The plant’s maintenance team faced a common dilemma: source a tested surplus 1606-XL240E and restore production within hours, or migrate to the replacement 1606-XLE240E and risk compatibility issues with the existing SLC chassis power distribution.
The team sourced a surplus 1606-XL240E from inventory, verified its output at 24.5V under load, and swapped it into the DIN rail. The SLC 500 rack powered up immediately, the line resumed production within two hours, and no wiring or parameter changes were required. For legacy Allen-Bradley control systems, the 1606-XL240E represents the lowest-risk path back to operation—it fits the same DIN rail footprint, uses the same terminal connections, and delivers the same output characteristics as the original.
Parameter
| Parameter | Value/Description |
|---|---|
| Product Model | 1606-XL240E |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Category | Switched-Mode Power Supply (DIN Rail Mount) |
| Product Line | Bulletin 1606 XL Series |
| Input Voltage (AC) | 100–240V AC, 50/60 Hz |
| Input Voltage (DC) | 240–375V DC |
| Operational Range | 85–264V AC |
| Output Voltage | 24–28V DC (factory set 24.5V) |
| Rated Output Current | 10A |
| Continuous Power | 240W |
| Peak Power (Boost) | 288W |
| Parallel Operation | Up to 5 units for redundancy |
| Overvoltage Protection | 36–39V DC |
| Operating Temperature | 0–60°C (full load); up to 70°C with derating |
| Mounting | DIN Rail |
| Dimensions (W×H×D) | 60 × 124 × 117 mm (approximate) |
| Weight | ~0.96–1.5 kg |
| Lifecycle Status | Discontinued October 30, 2017; Replacement: 1606-XLE240E |