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PHOENIX CONTACT STEP-PS/48AC/24DC/0.5 STEP-PS/48AC/24DC/0.5 2868716 PHOENIX CONTACT Power supply unit View larger
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STEP-PS/48AC/24DC/0.5 2868716 PHOENIX CONTACT Power supply unit

STEP-PS/48AC/24DC/0.5

2868716

PHOENIX CONTACT

1 Pcs.

Power supply unit STEP POWER primary switching power supply for rail mounting, input: single-phase, output: 24 V DC/0.5 A Primary-switched STEP POWER power supply for DIN rail and direct mounting, input: 1-phase, output: 24 V DC/0.5 A

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Technical data
Input data
AC operation
Nominal input voltage range48 V AC
Input voltage range43 V AC ... 52 V AC
60 V DC ... 80 V DC
Input voltage range AC43 V AC ... 52 V AC
Input voltage range DC60 V DC ... 80 V DC
Voltage type of supply voltageAC/DC
Inrush current< 10 A (typical)
Inrush current integral (I2t)< 0.1 A2s
AC frequency range45 Hz ... 65 Hz
Frequency range DC0 Hz
Mains buffering timetyp. 15 ms (48 V AC)
typ. 20 ms (52 V AC)
Current consumption0.5 A (43 V AC)
0.45 A (48 V AC)
Nominal power consumption21 VA
Power factor (cos phi)0.7
Typical response time< 0.5 s
Input fuse1.25 A (slow-blow, internal)
Recommended breaker for input protection6 A ... 16 A (Characteristics B, C, D, K)
Output data
Efficiency> 81 % (for 48 V AC and nominal values)
Output characteristicU/I
Nominal output voltage24 V DC
Output current Imax1 A
Nominal output current (IN)0.5 A (-25 °C ... 55 °C)
0.55 A (-25 °C ... 40 °C permanent)
Derating55 °C ... 70 °C (2.5 %/K)
Feedback voltage resistance≤ 35 V DC
Protection against overvoltage at the output (OVP)< 35 V DC
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< 30 mVPP(20 MHz)
Output power12 W
Peak switching voltages nominal load< 20 mVPP(20 MHz)
Maximum no-load power dissipation< 0.3 W
Power loss nominal load max.< 3.4 W
Connection in parallelyes, for redundancy and increased capacity
Connection in seriesyes
Connection data
Input
Connection methodScrew connection
Conductor cross section, rigid min.0.2 mm²
Conductor cross section, rigid 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
Tightening torque, min0.5 Nm
Tightening torque max0.6 Nm
Output
Connection methodScrew connection
Conductor cross section, rigid min.0.2 mm²
Conductor cross section, rigid 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
Tightening torque, min0.5 Nm
Tightening torque max0.6 Nm
Signaling
Types of signalingLED
Operating voltage displayGreen LED
Signal output: LED status indicator
Status display"DC OK" LED green
Note on status displayUOUT> 21.5 V: LED lights up
Electrical properties
Number of phases1.00
Insulation voltage input/output4 kV AC (type test)
3.75 kV AC (routine test)
3.75 kV AC (routine test)
4 kV AC (type test)
Product properties
Product typePower supply
Product familySTEP POWER
MTBF (IEC 61709, SN 29500)> 1860000 h (40 °C)
Data management status
Article revision03
Insulation characteristics
Protection classII (in closed control cabinet)
Overvoltage categoryIII
Degree of pollution2
Dimensions
Width18 mm
Height90 mm
Depth61 mm
Horizontal pitch1 Div.
Installation dimensions
Installation distance right/left0 mm / 0 mm
Installation distance top/bottom30 mm / 30 mm
Mounting
Mounting typeDIN rail mounting
Assembly notealignable: 0 mm horizontally, 30 mm vertically
Mounting positionhorizontal DIN rail NS 35, EN 60715
With protective coatingno
Material specifications
Housing materialPlastic
Housing materialPolycarbonate
Foot latch materialPOM (Polyoxymethylene)
Environmental and real-life conditions
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
Climatic class3K3 (in acc. with EN 60721)
Max. permissible relative humidity (operation)≤ 95 % (at 25 °C, non-condensing)
Shock18 ms, 30g, in each space direction (according to IEC 60068-2-27)
Vibration (operation)< 15 Hz, amplitude ±2.5 mm (according to IEC 60068-2-6)
15 Hz ... 150 Hz, 2.3g, 90 min.
Standards and regulations
Rail applicationsEN 50121-4
Standard – Electronic equipment for use in electrical power installations and their assembly into electrical power installationsEN 50178/VDE 0160 (PELV)
Standard – Limitation of mains harmonic currentsEN 61000-3-2
Standard - Electrical safetyIEC 62368-1 (SELV)
Standard – Protection against shock currents, basic requirements for protective separation in electrical equipmentEN 50178
Standard – Safety extra-low voltageIEC 62368-1 (SELV) und EN 60204-1 (PELV)
Standard - Safe isolationDIN VDE 0100-410
Standard - Safety of transformersEN 61558-2-16
Approvals
UL approvalsUL/C-UL listed UL 508
UL/C-UL Recognized UL 60950-1
NEC Class 2 as per UL 1310
Conformity/Approvals
SIL in accordance with IEC 615080
EMC data
Electromagnetic compatibilityConformance with EMC Directive 2014/30/EU
Low Voltage DirectiveConformance with Low Voltage Directive 2014/35/EC
EMC requirements for noise emissionEN 61000-6-3
EN 61000-6-4
EMC requirements for noise immunityEN 61000-6-1
EN 61000-6-2
Electrostatic discharge
Standards/regulationsEN 61000-4-2
Electrostatic discharge
Contact discharge6 kV (Test Level 3)
Discharge in air8 kV (Test Level 3)
CommentsCriterion A
Electromagnetic HF field
Standards/regulationsEN 61000-4-3
Electromagnetic HF field
Frequency range80 MHz ... 3 GHz
Test field strength10 V/m (Test Level 3)
CommentsCriterion A
Fast transients (burst)
Standards/regulationsEN 61000-4-4
Fast transients (burst)
Input2 kV (Test Level 3 - asymmetrical)
Output2 kV (Test Level 3 - asymmetrical)
CommentsCriterion A
Surge voltage load (surge)
Standards/regulationsEN 61000-4-5
Surge voltage load (surge)
Input0.5 kV (Test Level 1 - symmetrical)
0.5 kV (Test Level 1 - asymmetrical)
Output0.5 kV (Test Level 1 - symmetrical)
0.5 kV (Test Level 1 - asymmetrical)
CommentsCriterion B
Conducted interference
Standards/regulationsEN 61000-4-6
Conducted interference
Input/OutputTest Level 3
Frequency range150 kHz ... 80 MHz
CommentsCriterion A
Voltage10 V
Emitted interference
Standards/regulationsEN 61000-6-3
Radio interference voltage in acc. with EN 55011EN 55011 (EN 55022) Class B, area of application: Industry and residential
Emitted radio interference in acc. with EN 55011EN 55011 (EN 55022) Class B, area of application: Industry and residential

ETIM for 2868716 Low-voltage industrial controls and switchgear (EC002540)
Feature Name Feature Value
Voltage type (supply voltage) (EF002991) AC/DC
1st secondary output voltage (EF006792) 24 V
Max. output current 1 (EF008284) 0.5 A
Secondary voltage adjustable (EF007002) No
Nominal value output voltage 1 (EF009393) 24 V
Nominal value output current 1 (EF009396) 0.5 A
Short-circuit-proof (EF007332) Yes
Rated supply voltage AC 50 Hz (EF007076) 43 V
Rated supply voltage AC 60 Hz (EF007077) 48 V
Rated supply voltage DC (EF007078) 60 V
Output voltage stabilized (EF003092) Yes
Power consumption (EF000346) 21 VA
Power output (EF003034) 12 W
Stabilized (EF005302) Yes
Type of electric connection (EF003961) Screw connection
Suitable for rail mounting (EF003972) Yes
Wall mounting possible (EF003973) Yes
Modular version (EF001126) Yes
Width in number of modular spacings (EF002950) 1
Built-in height (EF000332) 90 mm
Direct mounting possible (EF005689) Yes
Width (EF000008) 18 mm
Height (EF000040) 90 mm
Depth (EF000049) 61 mm
Suitable for safety functions (EF001597) Yes
SIL according to IEC 61508 (EF009889) None
Performance level according to EN ISO 13849-1 (EF007399) None
Degree of protection (IP) (EF005474) IP20
Degree of protection (NEMA) (EF011959) Other

Product Datasheet

Electrica Online Product Datasheet Prepared from the current product description, catalog data and structured technical attributes.