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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
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
Low-voltage industrial components > DC-power supply
Power Supplies (PS)
Brand new product in its original packaging covered by the warranties and certifications provided by PHOENIX_CONTACT
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▲Technical data
Input data
| AC operation | |
| Nominal input voltage range | 48 V AC |
| Input voltage range | 43 V AC ... 52 V AC |
| 60 V DC ... 80 V DC | |
| Input voltage range AC | 43 V AC ... 52 V AC |
| Input voltage range DC | 60 V DC ... 80 V DC |
| Voltage type of supply voltage | AC/DC |
| Inrush current | < 10 A (typical) |
| Inrush current integral (I2t) | < 0.1 A2s |
| AC frequency range | 45 Hz ... 65 Hz |
| Frequency range DC | 0 Hz |
| Mains buffering time | typ. 15 ms (48 V AC) |
| typ. 20 ms (52 V AC) | |
| Current consumption | 0.5 A (43 V AC) |
| 0.45 A (48 V AC) | |
| Nominal power consumption | 21 VA |
| Power factor (cos phi) | 0.7 |
| Typical response time | < 0.5 s |
| Input fuse | 1.25 A (slow-blow, internal) |
| Recommended breaker for input protection | 6 A ... 16 A (Characteristics B, C, D, K) |
Output data
| Efficiency | > 81 % (for 48 V AC and nominal values) |
| Output characteristic | U/I |
| Nominal output voltage | 24 V DC |
| Output current Imax | 1 A |
| Nominal output current (IN) | 0.5 A (-25 °C ... 55 °C) |
| 0.55 A (-25 °C ... 40 °C permanent) | |
| Derating | 55 °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 power | 12 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 parallel | yes, for redundancy and increased capacity |
| Connection in series | yes |
Connection data
| Input | |
| Connection method | Screw 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 length | 6.5 mm |
| Screw thread | M3 |
| Tightening torque, min | 0.5 Nm |
| Tightening torque max | 0.6 Nm |
| Output | |
| Connection method | Screw 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 length | 6.5 mm |
| Screw thread | M3 |
| Tightening torque, min | 0.5 Nm |
| Tightening torque max | 0.6 Nm |
Signaling
| Types of signaling | LED |
| Operating voltage display | Green LED |
| Signal output: LED status indicator | |
| Status display | "DC OK" LED green |
| Note on status display | UOUT> 21.5 V: LED lights up |
Electrical properties
| Number of phases | 1.00 |
| Insulation voltage input/output | 4 kV AC (type test) |
| 3.75 kV AC (routine test) | |
| 3.75 kV AC (routine test) | |
| 4 kV AC (type test) |
Product properties
| Product type | Power supply |
| Product family | STEP POWER |
| MTBF (IEC 61709, SN 29500) | > 1860000 h (40 °C) |
| Data management status | |
| Article revision | 03 |
| Insulation characteristics | |
| Protection class | II (in closed control cabinet) |
| Overvoltage category | III |
| Degree of pollution | 2 |
Dimensions
| Width | 18 mm |
| Height | 90 mm |
| Depth | 61 mm |
| Horizontal pitch | 1 Div. |
| Installation dimensions | |
| Installation distance right/left | 0 mm / 0 mm |
| Installation distance top/bottom | 30 mm / 30 mm |
Mounting
| Mounting type | DIN rail mounting |
| Assembly note | alignable: 0 mm horizontally, 30 mm vertically |
| Mounting position | horizontal DIN rail NS 35, EN 60715 |
| With protective coating | no |
Material specifications
| Housing material | Plastic |
| Housing material | Polycarbonate |
| Foot latch material | POM (Polyoxymethylene) |
Environmental and real-life conditions
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -25 °C ... 70 °C (> 55 °C Derating: 2.5 %/K) |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Climatic class | 3K3 (in acc. with EN 60721) |
| Max. permissible relative humidity (operation) | ≤ 95 % (at 25 °C, non-condensing) |
| Shock | 18 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 applications | EN 50121-4 |
| Standard – Electronic equipment for use in electrical power installations and their assembly into electrical power installations | EN 50178/VDE 0160 (PELV) |
| Standard – Limitation of mains harmonic currents | EN 61000-3-2 |
| Standard - Electrical safety | IEC 62368-1 (SELV) |
| Standard – Protection against shock currents, basic requirements for protective separation in electrical equipment | EN 50178 |
| Standard – Safety extra-low voltage | IEC 62368-1 (SELV) und EN 60204-1 (PELV) |
| Standard - Safe isolation | DIN VDE 0100-410 |
| Standard - Safety of transformers | EN 61558-2-16 |
Approvals
| UL approvals | UL/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 61508 | 0 |
EMC data
| Electromagnetic compatibility | Conformance with EMC Directive 2014/30/EU |
| Low Voltage Directive | Conformance with Low Voltage Directive 2014/35/EC |
| EMC requirements for noise emission | EN 61000-6-3 |
| EN 61000-6-4 | |
| EMC requirements for noise immunity | EN 61000-6-1 |
| EN 61000-6-2 | |
| Electrostatic discharge | |
| Standards/regulations | EN 61000-4-2 |
| Electrostatic discharge | |
| Contact discharge | 6 kV (Test Level 3) |
| Discharge in air | 8 kV (Test Level 3) |
| Comments | Criterion A |
| Electromagnetic HF field | |
| Standards/regulations | EN 61000-4-3 |
| Electromagnetic HF field | |
| Frequency range | 80 MHz ... 3 GHz |
| Test field strength | 10 V/m (Test Level 3) |
| Comments | Criterion A |
| Fast transients (burst) | |
| Standards/regulations | EN 61000-4-4 |
| Fast transients (burst) | |
| Input | 2 kV (Test Level 3 - asymmetrical) |
| Output | 2 kV (Test Level 3 - asymmetrical) |
| Comments | Criterion A |
| Surge voltage load (surge) | |
| Standards/regulations | EN 61000-4-5 |
| Surge voltage load (surge) | |
| Input | 0.5 kV (Test Level 1 - symmetrical) |
| 0.5 kV (Test Level 1 - asymmetrical) | |
| Output | 0.5 kV (Test Level 1 - symmetrical) |
| 0.5 kV (Test Level 1 - asymmetrical) | |
| Comments | Criterion B |
| Conducted interference | |
| Standards/regulations | EN 61000-4-6 |
| Conducted interference | |
| Input/Output | Test Level 3 |
| Frequency range | 150 kHz ... 80 MHz |
| Comments | Criterion A |
| Voltage | 10 V |
| Emitted interference | |
| Standards/regulations | EN 61000-6-3 |
| Radio interference voltage in acc. with EN 55011 | EN 55011 (EN 55022) Class B, area of application: Industry and residential |
| Emitted radio interference in acc. with EN 55011 | EN 55011 (EN 55022) Class B, area of application: Industry and residential |
| 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 |
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| PDF CATALOG PHOENIX PROTECTION EN .pdf | 27 Mbytes |
|
| PHOENIX CONTACT-2868716-STEP-PS/48AC/24DC/0.5 | 122 Kbytes |
|
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