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STEP3-PS/1AC/48DC/2.5/PT 1285035 PHOENIX CONTACT Primary Switching Power Supplies, STEPPOWER, Push-in Connec..
STEP3-PS/1AC/48DC/2.5/PT
1285035
PHOENIX_CONTACT
Primary Switching Power Supplies, STEPPOWER, Push-in Connection, Rail & Direct Mount, Input:1-Phase, Output: 48 VDC / 2.5 A
Primary-switched power supply unit, STEP POWER, Push-in connection, DIN rail or direct mounting, input: 1-phase, output: 48 V DC / 2.5 A, adjustable from 48 V DC ... 56 V DC, PoE application up to 120 W
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* 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 | |
| Supply system configuration | Star network (TN, TT, IT (PE)) |
| Input voltage range | 120 V AC ... 240 V AC 10 % (120 W) |
| 95 V AC ... 120 V AC 10 % (96 W) | |
| Typical national grid voltage | 120 V AC |
| 230 V AC | |
| Voltage type of supply voltage | AC |
| Inrush current | typ. 35 A |
| Inrush current integral (I2t) | typ. 0.03 A2s |
| Frequency range (fN) | 50 Hz ... 60 Hz ±10 % |
| Mains buffering time | typ. 19 ms (120 V AC) |
| typ. 20 ms (230 V AC) | |
| Current consumption | 1.11 A (120 V AC) |
| 0.56 A (240 V AC) | |
| Protective circuit | Transient surge protection; Varistor |
| Switch-on time | typ. 2 s |
| Device mains fuse | 4 A internal (device protection), slow-blow |
| Recommended breaker for input protection | 6 A ... 16 A (Characteristics B, C, D, K) |
| Discharge current to PE | < 0.25 mA |
| DC operation | |
| Input voltage range | 125 V DC ... 250 V DC 10 % (120 W) |
| 99 V DC ... 125 V DC 10 % (96 W) | |
| Voltage type of supply voltage | DC |
| Current consumption | 1.05 A (125 V DC) |
| 0.51 A (250 V DC) | |
Output data
| Efficiency | > 94 % (120 V AC) |
| > 95.5 % (230 V AC) | |
| Nominal output voltage | 48 V DC |
| Setting range of the output voltage (USet) | 48 V DC ... 56 V DC (> 48 V DC, constant capacity restricted) |
| Nominal output current (IN) | 2.5 A (120 W) |
| 2 A (96 W) | |
| Short-circuit-proof | yes |
| No-load proof | yes |
| Derating | > 50 °C ... 70 °C (2 % / K) |
| Crest factor | typ. 1,64 (120 V AC) |
| typ. 1.69 (230 V AC) | |
| Output power (PN) | 120 W |
| 96 W | |
| Connection in parallel | yes, for increasing power and redundancy with diode |
| Connection in series | yes, for increased output voltage |
| Feedback voltage resistance | ≤ 60 V DC |
| Protection against overvoltage at the output (OVP) | < 60 V DC |
| Residual ripple | typ. 100 mVPP |
| Control deviation | < 0.5 % (Static load change 10 % ... 90 %) |
| < 3 % (Dynamic load change 10 % ... 90 %, (10 Hz)) | |
| < 0.1 % (change in input voltage ±10 %) | |
| Rise time | typ. 100 ms (UOut= 10 % ... 90 %) |
| Minimum no-load power dissipation | < 0.21 W (120 V AC) |
| Maximum no-load power dissipation | < 0.21 W (230 V AC) |
| Minimum nominal load power dissipation | < 7.7 W (120 V AC) |
| Power loss nominal load max. | < 5.7 W (230 V AC) |
Connection data
| Input | |
| Position | 1.x |
| Connection technology | |
| Position marking | 1.1, 1.2 (L), 1.3, 1.4 (N) |
| Conductor connection | |
| Connection method | Push-in connection |
| rigid | 0.2 mm² ... 2.5 mm² |
| 1 mm² (recommended) | |
| flexible | 0.2 mm² ... 2.5 mm² |
| 1 mm² (recommended) | |
| flexible with ferrule without plastic sleeve | 0.5 mm² ... 1.5 mm² |
| 1 mm² (recommended) | |
| flexible with ferrule with plastic sleeve | 0.2 mm² ... 1 mm² |
| 1 mm² (recommended) | |
| rigid (AWG) | 24 ... 14 (Cu) |
| 17 (recommended) | |
| Stripping length | 10 mm (rigid/flexible/ferrule without plastic sleeve) |
| 10 mm (Ferrule with plastic sleeve) | |
| Output | |
| Position | 2.x |
| Connection technology | |
| Position marking | 2.1, 2.2, 2.3, 2.4 (+), 2.5, 2.6, 2.7, 2.8 (-) |
| Conductor connection | |
| Connection method | Push-in connection |
| rigid | 0.2 mm² ... 2.5 mm² |
| 1 mm² (recommended) | |
| flexible | 0.2 mm² ... 2.5 mm² |
| 1 mm² (recommended) | |
| flexible with ferrule without plastic sleeve | 0.5 mm² ... 1.5 mm² |
| 1 mm² (recommended) | |
| flexible with ferrule with plastic sleeve | 0.2 mm² ... 1 mm² |
| 1 mm² (recommended) | |
| rigid (AWG) | 24 ... 14 (Cu) |
| 17 (recommended) | |
| Stripping length | 10 mm (rigid/flexible) |
| 10 mm (Ferrule) | |
Signaling
| LED signaling | |
| Types of signaling | LED DC OK – signal state operation (UN= 24 V DC, IOut= IN) |
| Function | Visual operating state display |
| Color | green |
| LED off | Supply voltage input AC not present (Off) |
| LED on (green), DC OK | UOut>44 V DC (on) |
Electrical properties
| Number of phases | 1.00 |
Product properties
| Product type | Power supply |
| Product family | STEP POWER |
| MTBF (IEC 61709, SN 29500) | > 1372000 h (25 °C) |
| > 758000 h (40 °C) | |
| > 495000 h (50 °C) | |
| Environmental protection directive | RoHS Directive 2011/65/EU |
| WEEE | |
| Reach | |
| Insulation characteristics | |
| Protection class | II (in closed control cabinet) |
| Degree of pollution | 2 |
Dimensions
| Item dimensions | |
| Width | 72 mm |
| Height | 90 mm |
| Depth | 61 mm |
| 55 mm (Device depth (DIN rail mounting)) | |
| Dimensional drawing |  |
| Horizontal pitch | 4 Div. (DIN 43880) |
| Installation dimensions | |
| Installation distance right/left | 0 mm / 0 mm |
| Installation distance top/bottom | 30 mm / 30 mm |
Mounting
| Mounting type | DIN rail or direct mounting |
| Assembly instructions | 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 |
| Foot latch material | Polyamid |
| Housing material | Polycarbonate |
Environmental and real-life conditions
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -10 °C ... 70 °C (Derating: > 50 °C; 2 %/K) |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Ambient temperature (start-up type tested) | -25 °C |
| Maximum altitude | ≤ 5000 m (> 2000 m, Derating: 10 %/1000 m) |
| Max. permissible relative humidity (operation) | ≤ 95 % (at 25 °C, non-condensing) |
| Shock (operation) | 18 ms, 30g, per spatial direction (IEC 60068-2-27) |
| Vibration (operation) | < 15 Hz, amplitude ±2.5 mm (IEC 60068-2-6) |
| 15 Hz ... 150 Hz, 2.3g, 90 min. | |
Standards and regulations
| Overvoltage category | |
| EN 61010-1 | II (≤ 5000 m) |
| Overvoltage category | |
| EN 62477-1 | III (≤ 2000 m) |
| Electrical safety | |
| Standard designation | Electrical safety |
| Standards/specifications | IEC 61010-1 (SELV) |
| Protective extra-low voltage | |
| Standard designation | Protective extra-low voltage |
| Standards/specifications | IEC 61010-1 (SELV) |
| IEC 61010-2-201 (PELV) | |
| Safe isolation | |
| Standard designation | Safe isolation |
| Standards/specifications | IEC 61558-2-16 |
| Low-voltage power supplies, DC output | |
| Standard designation | Low-voltage power supplies, DC output |
| Standards/specifications | EN 61204-3 |
| Safety requirements for electrical equipment for measurement, control, and laboratory use | |
| Standard designation | Safety requirements for electrical equipment for measurement, control, and laboratory use |
| Standards/specifications | IEC 61010-1 |
| Household and similar electrical appliances - Safety | |
| Standard designation | Safety of electrical devices for household use and similar purposes |
| Standards/specifications | DIN EN 60335-1 |
| Standard designation | Power over Ethernet |
| Standards/specifications | IEEE 802.3 (145.4.1 insulation) |
Approvals
| UL | |
| Identification | UL/C-UL Listed UL 61010-1 |
| UL | |
| Identification | UL/C-UL Listed UL 61010-2-201 |
| UL | |
| Identification | UL/C-UL Listed ANSI/UL 121201 Class I, Division 2, Groups A, B, C, D (Hazardous Location) |
EMC data
| Low Voltage Directive | Conformance with Low Voltage Directive 2014/35/EC |
| Interference emission | Interference emission in accordance with EN 61000-6-3 (residential and commercial) and EN 61000-6-4 (industrial) |
| Noise immunity | EN 61000-6-2:2005 |
| Electromagnetic compatibility | Conformance with EMC Directive 2014/30/EU |
| Conducted noise emission | EN 55016 |
| EN 61000-6-3 (Class B) | |
| Noise emission | EN 55016 |
| EN 61000-6-3 (Class B) | |
| Harmonic currents | |
| Standards/regulations | EN 61000-3-2 |
| EN 61000-3-2 (Class A) | |
| Flicker | |
| Standards/regulations | EN 61000-3-3 |
| Frequency range | 0 kHz ... 2 kHz |
| 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 ... 1 GHz |
| Test field strength | 10 V/m (Test Level 3) |
| Frequency range | 1 GHz ... 6 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 | asymmetrical 4 kV (Test Level 4) |
| Output | asymmetrical 2 kV (Test Level 3) |
| Comments | Criterion A |
| Surge voltage load (surge) | |
| Standards/regulations | EN 61000-4-5 |
| Input | symmetrical 2 kV (Test Level 4) |
| asymmetrical 4 kV (Test Level 4) | |
| Output | symmetrical 1 kV (Test Level 3) |
| asymmetrical 2 kV (Test Level 3) | |
| Comments | Criterion A |
| Conducted interference | |
| Standards/regulations | EN 61000-4-6 |
| Conducted interference | |
| Frequency range | 0.15 MHz ... 80 MHz |
| Comments | Criterion A |
| Voltage | 10 V (Test Level 3) |
| Voltage dips | |
| Standards/regulations | EN 61000-4-11 |
| Voltage | 230 V AC |
| Frequency | 50 Hz |
| Voltage dip | 70 % |
| Number of periods | 25 periods |
| Additional text | Class 3 |
| Comments | Criterion A |
| Voltage dip | 40 % |
| Number of periods | 10 periods |
| Additional text | Class 3 |
| Comments | Criterion B |
| Voltage dip | 0 % |
| Number of periods | 1 period |
| Additional text | Class 3 |
| Comments | Criterion A |
| Criteria | |
| Criterion A | Normal operating behavior within the specified limits. |
| Criterion B | Temporary impairment to operational behavior that is corrected by the device itself. |
| Criterion C | Temporary adverse effects on the operating behavior, which the device corrects automatically or which can be restored by actuating the operating elements. |
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