Phoenix Contact single-phase power supplies (PSU) are compact units designed for efficient power g...Phoenix Contact single-phase power supplies (PSU) are compact units designed for efficient power generation. They boast high efficiency and low standby losses. These PSUs are available in various performance classes, widths, and special voltages such as 5V, 12V, 15V, and 48V DC. Although initially designed for building automation, these power supply units (PSUs) are versatile and can be used for other applications as well.
This specific model, the STEP-PS/1AC/12DC/3, is a switch-mode DIN rail power supply. It features an input voltage range of 85 to 264V AC and an output of 12V DC with a 3A current, providing 36W of power. Key specifications include a height of 90mm, width of 54mm, efficiency greater than 85%, load regulation of ±1%, and an MTBF of 500,000 hours. The unit has a screw connection and is suitable for DIN rail mounting. It is also short-circuit proof and stabilized. The degree of protection is IP20.
Best current price£54.34from RS Components Ltd- UK
The Phoenix Contact 2868570 is a compact, single-phase DIN rail power supply unit designed for efficient and reliable power generation. It is ideal for users needing a stable 12V DC output for various automation and industrial applications, offering high efficiency and low standby losses. A potential consideration is its specific 12V DC output, which may require voltage conversion for systems needing different voltage levels.
All features
Model Part Number
2868570
Brand
Phoenix Contact
Extended Product Information
FAQs
What is the warranty period for this power supply?
Information regarding warranty is typically provided by the retailer or distributor. Please consult your purchase documentation for specific warranty details.
Can this power supply be used outdoors?
The unit has an IP20 protection rating, meaning it is protected against solid objects but not against moisture or water. It is designed for use in industrial or control cabinet environments, not for direct outdoor exposure.
What is the maximum power output?
The power supply provides a maximum of 36W of power at its 12V DC output.
How do I mount this power supply?
It can be mounted either by snapping it onto a standard 35mm DIN rail or by using screws to attach it to a flat surface.
Is this power supply suitable for sensitive electronic equipment?
Yes, with its stable 12V DC output, ±1% load regulation, and high MTBF, it is suitable for reliable operation of sensitive electronic equipment.
What is the MTBF rating?
The Mean Time Between Failures (MTBF) is over 500,000 hours, indicating high reliability.
Troubleshooting
Unit not powering on
Verify AC input voltage is within the 85-264V range. Check all screw connections for proper seating. Ensure the load does not exceed the 3A output limit.
Output voltage is unstable or incorrect
Confirm the input voltage is stable. Check for loose connections. Ensure the connected load is within the specified power limits (36W). Contact support if the issue persists.
Overheating
Ensure adequate ventilation around the unit. Check that the load does not continuously exceed the 3A rating. Verify ambient temperature is within operating limits.
Pros and Cons
Pros
Compact and versatile mounting options (DIN rail or screw mount).
High energy efficiency reduces power consumption.
Excellent reliability with a high MTBF rating.
Wide input voltage range for global compatibility.
Stable and regulated DC output.
Cons
Fixed 12V DC output may require additional conversion for other voltages.
IP20 protection offers limited resistance to dust and moisture.
Requires DIN rail or screw mounting; not a standalone desktop unit.
Setup, Compatibility & Care
Setup:
Mounting: Mount the power supply unit onto a standard DIN rail or secure it using screws to a flat surface.
Connections: Connect the AC input (85-264V) to the appropriate terminals. Connect the 12V DC output to your load. Ensure all connections are secure.
Environment: Install in a location with ambient temperatures within the operating range (-25°C to 70°C) and adequate ventilation.
Compatibility:
Input: Compatible with single-phase AC power sources ranging from 85V to 264V.
Output: Provides a 12V DC output with a maximum current of 3A (36W).
Mounting: Designed for standard 35mm DIN rail mounting or screw mounting.
Care:
Cleaning: Disconnect power before cleaning. Wipe the exterior with a dry or slightly damp cloth. Avoid using solvents or abrasive cleaners.
Ventilation: Ensure the unit is not covered or obstructed to allow for proper airflow. Keep vents clear of dust and debris.