Inosaki is one of the largest Phoenix Contact Distributors to provide terminal block, interface module, power supply and relay. And our best offer for terminal block types are Feed-through, Fuse Modular, Spring Cage, Double Level, and Multi-level, hence the series model references to  PT Series, ST Series, TB Series, UT Series, UK Series. In additional for power supply are QUINT Power, STEP Power, Trio Power, and UNO Power. Please email us for catalog: sales@inosaki.my

Product Description

STEP POWER power supplies for distribution boards
The STEP POWER power supply range was developed especially for building automation. The low idling losses and high degree of efficiency ensure maximum energy efficiency. They allow flexible use and can be snapped onto the DIN rail or screwed onto an even surface.

Dimensions

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Width 18 mm
Height 90 mm
Depth 61 mm
Installation distance right/left 0 mm / 0 mm
Installation distance top/bottom 30 mm / 30 mm

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Ambient conditions

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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
Max. permissible relative humidity (operation) ≤ 95 % (at 25 °C, non-condensing)
Climatic class 3K3 (in acc. with EN 60721)
Degree of pollution 2

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Input data

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Nominal input voltage range 48 V AC
Input voltage range 43 V AC … 52 V AC
60 V DC … 80 V DC
AC frequency range 45 Hz … 65 Hz
Frequency range DC 0 Hz
Current consumption 0.5 A (43 V AC)
0.45 A (48 V AC)
Nominal power consumption 21 VA
Inrush current < 10 A (typical)
Mains buffering time typ. 15 ms (48 V AC)
typ. 20 ms (52 V AC)
Input fuse 1.25 A (slow-blow, internal)
Recommended breaker for input protection 6 A … 16 A (Characteristics B, C, D, K)
Power factor (cos phi) 0.7

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Output data

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Nominal output voltage 24 V DC ±1 %
Nominal output current (IN) 0.5 A (-25 °C … 55 °C)
0.55 A (-25°C … 40°C permanent )
Output current Imax 1 A
Derating 55 °C … 70 °C (2.5%/K)
Connection in parallel yes, for redundancy and increased capacity
Connection in series yes
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
Typical response time < 0.5 s
Peak switching voltages nominal load < 20 mVPP (20 MHz)
Maximum power dissipation in no-load condition < 0.3 W
Power loss nominal load max. < 3.4 W

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General

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Article Number 2868716
Net weight 0.07 kg
Operating voltage display Green LED
Efficiency > 81 % (for 48 V AC and nominal values)
MTBF (IEC 61709, SN 29500)
> 1860000 h (40 °C)
Insulation voltage input/output 4 kV AC (type test)
3.75 kV AC (routine test)
Degree of protection IP20
Protection class II (in closed control cabinet)
Housing material Polycarbonate
Foot latch material POM (Polyoxymethylene)
Mounting position horizontal DIN rail NS 35, EN 60715
Assembly instructions alignable: 0 mm horizontally, 30 mm vertically

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Connection data, input

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Connection method Screw 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 length 6.5 mm
Screw thread M3

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Connection data, output

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Connection method Screw 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 length 6.5 mm
Screw thread M3

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Standards

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EMC requirements for noise immunity EN 61000-6-1
EN 61000-6-2
EMC requirements for noise emission EN 61000-6-3
EN 61000-6-4
Standard – Safety of transformers EN 61558-2-16
Standard – Electrical safety IEC 62368-1 (SELV)
Standard – Electronic equipment for use in electrical power installations and their assembly into electrical power installations EN 50178/VDE 0160 (PELV)
Standard – Safety extra-low voltage IEC 62368-1 (SELV) und EN 60204-1 (PELV)
Standard – Safe isolation DIN VDE 0100-410
Standard – Protection against shock currents, basic requirements for protective separation in electrical equipment EN 50178
Standard – Limitation of mains harmonic currents EN 61000-3-2
Rail applications EN 50121-4

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Conformance/approvals

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UL approvals UL/C-UL listed UL 508
UL/C-UL Recognized UL 60950-1
NEC Class 2 as per UL 1310

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EMC data

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Electromagnetic compatibility Conformance with EMC Directive 2014/30/EU
Low Voltage Directive Conformance with Low Voltage Directive 2014/35/EC
Electrostatic discharge EN 61000-4-2
Contact discharge 6 kV (Test Level 3)
Discharge in air 8 kV (Test Level 3)
Electromagnetic HF field EN 61000-4-3
Frequency range 80 MHz … 3 GHz
Test field strength 10 V/m (Test Level 3)
Comments Criterion A
Fast transients (burst) EN 61000-4-4
Input 2 kV (Test Level 3 – asymmetrical)
Output 2 kV (Test Level 3 – asymmetrical)
Comments Criterion A
Surge voltage load (surge) EN 61000-4-5
Input 1 kV (Test Level 2 – symmetrical)
2 kV (Test Level 3 – asymmetrical)
Output 0.5 kV (Test Level 1 – symmetrical)
1 kV (Test Level 2 – asymmetrical)
Comments Criterion A
Conducted interference EN 61000-4-6
Frequency range 150 kHz … 80 MHz
Voltage 10 V
Comments Criterion A

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Environmental Product Compliance

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REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 25;
For details about hazardous substances go to tab “Downloads”, Category “Manufacturer’s declaration”

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