Technical Specifications

FAQ

1. What type of power supply is the Allen-Bradley 1606-XLE80E?
The 1606-XLE80E is an Allen-Bradley XLE Essential Series switched-mode power supply designed to provide regulated 24 V DC power for industrial control systems. It has an 80 W output rating and can deliver up to 3.3 A at 24 V DC. The unit is suitable for powering PLCs, I/O modules, sensors, relays, communication equipment, and other control components that require a stable 24 V DC supply.

2. What input voltage does the 1606-XLE80E support?
The 1606-XLE80E supports a wide AC input range of 100–240 V AC at 50–60 Hz, making it suitable for different industrial power systems without requiring a separate input-voltage configuration. It also supports DC input operation within its specified DC input range. Before installation, the actual supply voltage should be verified against the power supply specifications, and appropriate circuit protection should be provided on the input side.

3. What is the output capability of the 1606-XLE80E?
The nominal output is 24 V DC with a rated current of 3.3 A, providing 80 W of rated output power. The output voltage can be adjusted within the 24–28 V DC range. At the upper voltage setting, the available continuous output current is reduced to approximately 2.9 A. The adjustable output can be useful when compensating for voltage drops in longer DC wiring or when a connected control system requires a slightly higher supply voltage.

4. Is the 1606-XLE80E suitable for PLC and industrial automation applications?
Yes. The 1606-XLE80E is well suited to control panels and industrial automation systems where a regulated 24 V DC supply is required. It can be used to power PLC control circuits, digital and analog I/O, sensors, relays, communication devices, and other low-voltage control components. When selecting the power supply for a complete panel, the total continuous load should be calculated and sufficient capacity should be reserved for startup currents and future expansion.

5. Does the 1606-XLE80E provide overload or additional power capability?
The power supply incorporates a dynamic 120% power boost function under the specified temperature conditions. This provides additional short-duration power capacity for suitable load conditions and can help accommodate temporary increases in demand. However, the boost function should not be treated as a replacement for correct power-supply sizing. Continuous operation near or above the rated output should be avoided, particularly in high-temperature control cabinets where thermal derating can reduce the available output capacity.

6. What should be considered when installing the 1606-XLE80E on a DIN rail?
The 1606-XLE80E is designed for DIN rail mounting and uses screw terminals for electrical connections. During installation, adequate ventilation should be maintained around the power supply so that heat can dissipate effectively. Input and output wiring should be routed appropriately to reduce electrical interference, and all terminals should be tightened according to the applicable installation requirements. The DC output polarity should also be verified before connecting PLCs, sensors, or other control equipment.

7. What causes voltage fluctuations or low output voltage from the 1606-XLE80E?
Low or unstable output voltage can result from excessive load current, insufficient ventilation, high ambient temperature, incorrect input voltage, loose terminals, or wiring voltage drops. The connected load should first be checked against the 3.3 A rated output current at 24 V DC. If the load is within specification, measure the input voltage and output voltage directly at the power supply terminals. It is also important to check whether the output wiring is undersized or excessively long, as voltage drop in the DC distribution circuit can cause equipment at the far end of the circuit to receive insufficient voltage.

8. How should the 1606-XLE80E be maintained and troubleshot?
Routine maintenance should include checking terminal connections, cabinet temperature, ventilation, dust accumulation, and the condition of the connected DC loads. If the output disappears, first verify that the AC or DC input voltage is within the specified range and that the input protection device has not operated. Next, disconnect or isolate downstream loads where appropriate and check whether an overload or short circuit is causing the power supply to enter protection. If the unit repeatedly shuts down under a normal load, the output current, ambient temperature, wiring, and connected equipment should be checked systematically before replacing the power supply.