1606-XLS120EA Allen-Bradley 24V DC DIN Rail Power Supply

Overview

The Allen-Bradley 1606-XLS120EA is a compact DIN-rail mounted switching power supply engineered for stable 24 V DC distribution in industrial control environments. As part of the 1606-XLS series, it is designed for high efficiency operation, low thermal loss, and reliable performance under fluctuating AC or DC input conditions. The unit is widely used to power PLC systems, operator interfaces, sensors, and control electronics.

Input Characteristics

• AC Input Range: 100–240 V AC, 50/60 Hz

• DC Input Range: 110–300 V DC

• Power Factor Correction: Active PFC, typically >0.95 at full load

• Inrush Current: Approximately 9–11 A peak depending on input voltage

• Designed for global industrial power networks with wide tolerance

Output Performance

• Nominal Output Voltage: 24 V DC

• Adjustment Range: 24–28 V DC

• Output Power: 120 W continuous

• Rated Output Current: 5 A nominal (higher short-term peak capability up to approx. 7.5 A)

• Ripple & Noise: < 50 mV peak-to-peak

• Regulation: Tight voltage stability under dynamic load changes

• Protection Functions:

• Overload current limiting with automatic recovery

• Short-circuit protection with self-reset behavior

Efficiency & Power Quality

• Efficiency: Up to 94% typical under full load

• Hold-up Time: ~34–65 ms depending on input conditions

• Power Loss Optimization: Low thermal dissipation design reduces cabinet heat load

• MTBF: ~831,000 hours (calculated reliability rating)

Environmental & Thermal Design

• Operating Temperature: -25°C to +70°C (derating above +60°C)

• Cooling Method: Natural convection, fanless design

• Humidity Range: 5–95% non-condensing

• Built for continuous operation in enclosed control panels

Mechanical Construction

• Mounting Type: Standard DIN-rail installation

• Housing Material: Aluminum alloy enclosure for heat dissipation

• Dimensions: 124 × 40 × 117 mm (H × W × D)

• Weight: 0.6 kg

System Features

• DC-OK status indication for output monitoring

• High immunity to electrical transients and surges

• Compact footprint suitable for dense panel layouts

• Suitable for distributed control power architectures

Applications

• PLC and HMI power distribution systems

• Industrial sensor and instrumentation supply

• Machine control cabinets and automation panels

• OEM equipment requiring stable 24 V DC rails

• Compact control systems with limited enclosure space

FAQ

Q1: Can this power supply operate on DC input?
Yes, it supports a wide DC input range of 110–300 V DC in addition to AC input.

Q2: Is cooling required?
No forced cooling is required; it uses natural convection cooling.

Q3: Can the output voltage be adjusted?
Yes, it can be adjusted from 24 V DC up to approximately 28 V DC.