STEP-PS/277AC/24DC/3.5 2904945 PHOENIX CONTACT DIN rail power supply unit 24 V DC/3.5 A, primary switched-mo.. View larger
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STEP-PS/277AC/24DC/3.5 2904945 PHOENIX CONTACT DIN rail power supply unit 24 V DC/3.5 A, primary switched-mo..

STEP-PS/277AC/24DC/3.5

2904945

PHOENIX_CONTACT

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DIN rail power supply unit 24 V DC/3.5 A, primary switched-mode, 1-phase.

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Power Supplies

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Uninterruptible power supply units - PHOENIX CONTACT

* Brand new product in its original packaging covered by the warranties and certifications provided by PHOENIX_CONTACT

Quantity Price
1+$150.95
2+$145.59
4+$141.41
5+$140.27
7+$139.32
*This price is per unit and is the net value (not including taxes if applicable).

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Product description

STEP POWER power supplies - for building technology

Due to their design, the flat power supplies are particularly suitable for installation distributors and flat control panels. The power supply units are available with 24 V DC output voltage in various performance classes and overall widths as well as special voltages 5, 12, 15, and 48 V DC. Their high degree of efficiency and low standby losses ensure a high level of energy efficiency.

Dimensions

Width90 mm
Height90 mm
Depth61 mm

Ambient conditions

Degree of protectionIP20
Ambient temperature (operation)-25 °C ... 70 °C (> 55° C derating : 2.5%/K)
Ambient temperature (storage/transport)-40 °C ... 85 °C
Max. permissible relative humidity (operation)≤ 95 % (at 25 °C, non-condensing)
Noise immunityEN 61000-6-2:2005

Input data

Nominal input voltage range100 V AC ... 277 V AC
Input voltage range85 V AC ... 305 V AC
95 V DC ... 250 V DC
AC frequency range45 Hz ... 65 Hz
Frequency range DC0 Hz
Inrush surge current< 40 A (typical)
Power failure bypass> 25 ms (120 V AC)
> 160 ms (277 V AC)
Input fuse4 A (slow-blow, internal)
Choice of suitable circuit breakers6 A ... 16 A (Characteristics B, C, D, K)

Output data

Nominal output voltage24 V DC ±1 %
Setting range of the output voltage22.5 V DC ... 25 V DC (> 24 V DC, constant capacity restricted)
Nominal output current3.5 A (-25°C ... 55°C)
Output current Imax6 A
Derating55 °C ... 70 °C (2.5%/K)
Connection in seriesYes
Control deviation< 1 % (change in load, static 10 % ... 90 %)
< 2 % (change in load, dynamic 10 % ... 90 %)
< 0.1 % (change in input voltage ±10 %)
Residual ripple< 10 mVPP (20 MHz)
Output power84 W
Typical response time< 0.5 s
Peak switching voltages nominal load< 30 mVPP (20 MHz)
Maximum power dissipation in no-load condition< 0.6 W
Power loss nominal load max.11.5 W

General

Net weight0.3 kg
Operating voltage displayGreen LED
Efficiency> 88 % (for 277 V AC and nominal values)
Insulation voltage input/output4 kV AC (type test)
3.75 kV AC (routine test)
Protection classII
MTBF (IEC 61709, SN 29500)> 1094000 h (40°C)
Mounting positionhorizontal DIN rail NS 35, EN 60715
Assembly instructionsAlignable: 0 mm horizontally, 30 mm vertically

Connection data, input

Connection methodScrew connection
Conductor cross section solid min.0.2 mm²
Conductor cross section solid max.2.5 mm²
Conductor cross section flexible min.0.2 mm²
Conductor cross section flexible max.2.5 mm²
Conductor cross section AWG min.24
Conductor cross section AWG max.12
Stripping length6.5 mm
Screw threadM3

Connection data, output

Connection methodScrew connection
Conductor cross section solid min.0.2 mm²
Conductor cross section solid max.2.5 mm²
Conductor cross section flexible min.0.2 mm²
Conductor cross section flexible max.2.5 mm²
Conductor cross section AWG min.24
Conductor cross section AWG max.12
Stripping length6.5 mm
Screw threadM3

Signaling

Output nameLED status indicator
Status display"DC OK" LED green
Note on status displayUOUT > 21.5 V: LED lights up

Datasheet - PDF

Title: Language: Size: Type:
PHOENIX CONTACT-2904945-STEP-PS/277AC/24DC/3.5 English 124 Kbytes PHOENIX CONTACT-2904945-STEP-PS/277AC/24DC/3.5

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