Description
The Phoenix Contact STEP POWER 2868664 24V DC 4.2A Power Supply is a primary-switched AC/DC power supply designed for DIN-rail mounting and efficient power distribution. It provides a 24V DC nominal output at 4.2A, delivering 100.8W of output power for connected control and automation equipment.
The unit accepts a 100–240V AC nominal input range, with an overall AC input range of 85–264V AC. It can also operate from a 95–250V DC input, offering installation flexibility. The output can be adjusted from 22.5V to 29.5V DC, subject to the manufacturer’s output-power limitations above 24V.
The STEP POWER series was specifically developed for building automation and distribution-board applications, with low no-load losses and high efficiency. The 2868664 can be snapped onto a DIN rail or screwed onto a flat surface, providing flexible installation options.
Key Features
Brand: Phoenix Contact
Series: STEP POWER
Part Number: 2868664
Model: STEP-PS/1AC/24DC/4.2
Nominal Output: 24V DC
Nominal Output Current: 4.2A
Output Power: 100.8W
AC Input: 100–240V AC nominal
AC Input Range: 85–264V AC
DC Input Range: 95–250V DC
Adjustable Output: 22.5–29.5V DC
DIN-rail mounting
Efficiency greater than 88% at 230V AC and nominal load
Electronic secondary-side fuse protection
Suitable for parallel connection for redundancy/increased capacity
Applications
Building automation
Distribution boards
Industrial control panels
PLC and automation systems
Control and instrumentation equipment
DIN-rail electrical installations
24V DC control systems
Building management systems
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