Reliable Power for Critical Control Systems

The Allen-Bradley 1606-XL240EP is a 240 W switched-mode power supply that delivers a nominal 24 V DC output from an AC 85...264 V single-phase input. As part of the Bulletin 1606-XL series, this unit is engineered for demanding environments where stable control power is essential.

For maintenance engineers, the 1606-XL240EP offers a rugged, field-proven design with DIN rail mounting and an adjustable DC output. Its wide operating temperature range of -10...+70 °C ensures reliable performance in harsh industrial settings. However, note that this model is discontinued as of October 30, 2017, with the 1606-XLE240E as the direct replacement.

Key Features and Technical Specifications

• Input Voltage: AC 85...264 V single-phase nominal, accommodating global power standards.
• Output Voltage: DC 24 V nominal, adjustable for precise system requirements.
• Output Current: 10 A at 24 V nominal (8.6 A at 28 V), rated continuous at ambient temperatures from 0...60 °C.
• Rated Power: 240 W, suitable for medium-duty control loads.
• Operating Temperature: -10...+70 °C, enabling use in extreme environments.
• Protection: Overload and short-circuit protected, with DC OK status indication.
• Mounting: DIN rail mount for quick installation and service.
• Dimensions (H×W×D): 124 × 120 × 102 mm, compact footprint for space-constrained panels.
• Approvals: UL 60950-1 / cUL / CE marked, meeting standard industrial safety requirements.

This unit is the remote on/off variant of the 1606-XL240E, providing additional control flexibility for system integration.

Applications and Use Cases

In oil and gas facilities, This unit is commonly used to power PLC racks, I/O modules, and field instrumentation. Its robust design supports mission-critical operations where power interruptions can lead to costly downtime. The wide input voltage range makes it suitable for installations with unstable grid power, while the extended temperature range ensures reliability in remote or harsh locations. Additionally, the remote on/off feature allows for centralized control of power distribution, enhancing system manageability.

Installation and Setup

Mounting This unit is straightforward with its DIN rail clip. Ensure the input wiring is connected to the AC 85...264 V terminals, observing proper polarity and grounding. The output voltage can be adjusted via a front-panel potentiometer to match load requirements. The DC OK LED provides visual confirmation of output status. For remote on/off functionality, connect the control signal to the designated terminals. Always follow local electrical codes and the manufacturer's installation instructions.

Maintenance and Reliability

Regular inspection of the power supply is recommended to ensure continued reliability. Check for dust accumulation and clean the unit periodically to maintain airflow. Verify that the output voltage remains within specification using a calibrated multimeter. The overload and short-circuit protection features help prevent damage from fault conditions, but persistent overloads should be investigated. Given the unit's discontinued status, consider stocking spares or planning a migration to the 1606-XLE240E to avoid unplanned downtime.

Compatibility and Integration

This unit integrates seamlessly with Allen-Bradley PLC systems and other 24 V DC control components. It has no built-in communication interface, so it operates as a standalone power source. For systems requiring network monitoring, external sensors or gateways can be added. When replacing or upgrading, verify compatibility with existing wiring and mounting arrangements.

Frequently Asked Questions

What are the input and output specifications of This unit?

This unit accepts an AC 85...264 V single-phase input and provides a DC 24 V nominal output at 10 A (240 W). The output voltage is adjustable, and the unit is rated for continuous operation at ambient temperatures from 0...60 °C.

Is This unit still available for purchase?

No, This unit was discontinued by Rockwell Automation as of October 30, 2017. The recommended direct replacement is the 1606-XLE240E. Please verify current lifecycle status and availability with PetroPartsOnline before ordering.

What is the operating temperature range of this power supply?

This unit operates within a temperature range of -10...+70 °C, making it suitable for harsh industrial environments.

Does This unit have any communication interfaces?

No, This unit does not include built-in communication ports or protocols. It is a standalone power supply.

What is the plc power supply module replacement for This unit?

The direct replacement for This unit is the 1606-XLE240E. Contact PetroPartsOnline for parts suited to your application's requirements.

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