What the 1606-XL180B Delivers for Legacy Control Panels

The Allen-Bradley 1606-XL180B is a 180 W switched-mode power supply from the Bulletin 1606-XL series. It provides a preset 12 V DC output at 15 A continuous, making it a direct-fit power source for legacy control cabinets that still rely on the XL platform.

Because This unit is officially discontinued as of October 30, 2017, sourcing a verified replacement is critical. PetroPartsOnline helps oil and gas operators secure dependable units that keep mission-critical panels online without redesigning the power architecture.

Key Specifications and Cost-Saving Design

• Input voltage: AC 85...264 V single-phase nominal, which tolerates wide supply swings without external conditioning.
• Output voltage: DC 12 V preset ±0.5%, adjustable from 12...15 V for fine-tuning field loads.
• Output current: 15 A at 12 V nominal, derated to 12 A at 15 V, rated continuous at 0...60 °C.
• Rated power: 180 W, sized for compact control panels with multiple I/O modules.
• Operating temperature: -10...+70 °C, supporting outdoor and unheated enclosure installations.
• Storage temperature: -40 to +85 °C for stable inventory in remote depots.
• Protection rating: IP20 open-frame construction for DIN-rail mounting inside cabinets.
• Dimensions: 124 × 120 × 102 mm and 0.98 kg, preserving existing panel footprints.
• Approvals: UL 60950-1, cUL, and CE marked per the Bulletin 1606 series standard.

The wide input range reduces the need for external buck-boost hardware, which lowers installation cost and cabinet complexity. Meanwhile, the adjustable output lets technicians match voltage to legacy loads without adding a separate regulator.

Why This unit Remains a Practical Choice for Legacy Panels

Many oil and gas sites still operate Bulletin 1606-XL power supplies in flow computers, RTUs, and small PLC racks. Replacing a failed unit with the same model avoids re-engineering the panel, retraining staff, or recertifying the enclosure.

In cost terms, a like-for-like replacement minimizes downtime and labor hours. The 180 W rating also supports modest load growth without forcing an immediate upgrade to a larger frame. For these reasons, This unit remains a field-proven option for maintenance teams that value reliability you can depend on.

Installation and Commissioning Guidance

Mount This unit on a standard DIN rail inside a protective enclosure. Connect single-phase AC input to the designated terminals and verify the 12 V DC preset before energizing downstream loads. Use the adjustment range of 12...15 V only when the connected equipment requires a higher setpoint.

Because the unit is IP20 rated, keep it inside a cabinet that shields it from dust and moisture. Confirm that the operating temperature remains within -10...+70 °C, especially in sun-exposed or unheated shelters. The DC OK status indicator provides a quick visual check during commissioning.

Maintenance and Lifecycle Planning

Periodic inspection of terminal tightness and fan-free airflow helps extend service life. This unit relies on convection cooling, so dust buildup on the open-frame heatsink can raise internal temperatures. Schedule cleaning during routine panel maintenance to avoid thermal derating.

Since the model is discontinued, maintaining a spare unit on site is a cost-effective safeguard against unplanned outages. PetroPartsOnline can help you plan spares for critical operations and verify current lifecycle status before ordering.

Compatibility and Replacement Notes

This unit has no built-in communication ports and no supported protocols. It operates strictly as a power supply. For systems that require network diagnostics, an external monitoring module would be needed.

The official direct replacement is the 1606-XLS180B. However, form-factor and wiring differences may require minor panel adjustments. Contact PetroPartsOnline for parts suited to your application's requirements and to confirm the best path for your legacy panel.

Frequently Asked Questions

Is This unit still available for plc power supply module replacement?

This unit is officially discontinued as of October 30, 2017. PetroPartsOnline can help you source verified units or evaluate the direct replacement 1606-XLS180B for your plc power supply module replacement needs.

What is the input voltage range of This unit?

The Allen-Bradley unit accepts AC 85...264 V single-phase nominal input, allowing it to operate across a wide range of supply conditions without external conditioning.

Can This unit output be adjusted above 12 V?

Yes. The output is preset at DC 12 V ±0.5% and can be adjusted from 12...15 V. At 15 V, the continuous output current is 12 A.

What is the operating temperature range of This unit?

The Allen-Bradley unit operates from -10...+70 °C. The storage temperature range is -40 to +85 °C, which supports stable inventory in remote locations.

Does This unit support any communication protocols?

No. This unit has no built-in communication ports and does not support any protocols. It is a standalone switched-mode power supply.

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