1606-XLS480F — 480W DIN Rail Power Supply, 48–56V DC, 10A

The 1606-XLS480F is a 480W power supply outputting 48V DC, adjustable up to 56V, at 10A continuous from a 100–240V AC single-phase input. While most industrial control panels run on 24V DC, 48V is the standard voltage for telecom-style equipment, certain battery-backed systems, and longer cable runs where the higher voltage reduces resistive losses — this unit covers that requirement with the same synchronous rectification, 150% power boost, and spring-clamp terminals found across the broader XLS performance family.

Specifications

Parameter	Value
Part Number	1606-XLS480F
Output Voltage	48–56V DC (adjustable)
Output Current	10 A
Output Power	480 W
Input Voltage	100–240V AC, 50/60 Hz
Power Boost	150% for up to 4 seconds
Max Feedback Voltage Tolerance	58V DC (regenerative/back-EMF immunity)
Connection Type	Spring-clamp terminals
Mounting	35 mm DIN rail
Enclosure	IP20

A 48V Output for Telecom-Style Loads and Battery Systems

The 48V output range serves two distinct use cases that 24V supplies can't address directly: equipment designed around the telecom 48V standard, and float-charging or backup applications using series strings of 12V lead-acid or maintenance-free VRLA batteries (four in series reaching the nominal 48V range this supply covers). The adjustable range up to 56V allows precise tuning to the exact end-of-charge voltage a connected battery string requires, important for battery longevity in float-charge applications.

The supply's tolerance for back-EMF feeding into its output — up to 58V DC without malfunction — matters for installations with decelerating motors or other inductive loads that can momentarily feed voltage backward into the supply rail. Rather than tripping or being damaged by this transient condition, the unit simply absorbs it within its rated tolerance.

FAQ

Q: Can this supply be used to charge or float-charge 48V battery banks?

Yes. It supports float-charging of lead-acid or maintenance-free VRLA batteries at 48V, with the adjustable output allowing precise tuning to the battery manufacturer's specified end-of-charge voltage.

Q: What happens during the short-term power boost if the load is removed afterward?

Once the boost period ends, the unit returns to its standard rated output. A recovery time applies before another boost event can be triggered, since the boost capability is replenished progressively rather than being instantly available again.

Q: Can this unit run on two phases of a three-phase supply instead of true single-phase?

Two-phase operation is supported on certain models in this family with output current reduced according to the manufacturer's derating curve — verify the specific operating mode and reduced rating against the unit's documentation before relying on this configuration.

Q: Is the DC-OK relay contact rated for use in hazardous locations?

The DC-OK contact has specific restrictions when used in Class I, Division 2 environments — it must be wired as nonincendive field wiring per the applicable installation requirements, and parallel connection of nonincendive apparatus has its own restrictions that should be verified before installation.

1606-XLS480F New Sealed 1606XLS480F Ser A Power Supply Module 48V 10A 480W