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Home Power Supplies & Accessories Power Supplies & Accessories Industrial Din-Rail PSU
28685708 STEP-PS/1AC/12DC/3 Power Supply - STEP power supply for DIN rail mounting, input - 1-phase, output - 12 V DC/3 A by PERLE

28685708 STEP-PS/1AC/12DC/3 Power Supply - STEP power supply for DIN rail mounting, input - 1-phase, output - 12 V DC/3 A
by PERLE

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  • 12 V DC Output Voltage
  • 3 Amps
  • 36 Watts
  • Single phase AC or DC Input
  • Input Voltage Range: 85 ... 264 V AC and 95 ... 250 V DC

 

Mfg SKU # : 28685708
Our Price : $102.00
In Stock :Call for Availability
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28685708 STEP-PS/1AC/12DC/3 Power Supply the STEP-PS/1AC/12DC/3 Industrial Power Supply is a rugged AC to DC and DC to DC Converter built to meet the high stability and efficiency expectations of industrial, machine automation and process control environments. With its low-profile design, this STEP power supply is ideal for building automation, installation distributors and flat control panels. This Switching (switch mode) Power Supply ensures a regulated output voltage even in the event of voltage fluctuations in the power supply network. With all required safety certifications to support ITE (Information Technology Equipment), ruggedized packaging, extended operating temperatures, high peak load capabilities and high isolation voltages, this STEP Industrial Power Supply is designed to meet the needs of your industrial application.

Industrial operating temperature of -25°C to +70°C with reliable device start-up at -40°C

Equipment found in traffic management, oil and gas pipelines, weather tracking, industrial and outdoor applications must function in temperatures that cannot be supported by a commercial power supplies. With an operating temperature of -25°C to +70°C, and reliable device start-up at -40°C, the STEP-PS/1AC/12DC/3 Industrial Power Supply is ideal for use with equipment subjected to harsh environments and severe temperatures.

High efficiency and low no load power consumption

Compared with other products on the market, this STEP Industrial Power Supply provides excellent energy savings. With a very low no load power consumption and high efficiency at nominal load, just a small amount of electrical energy is converted into undesired heat energy making this a very ECO friendly power supply. This is important if the power supply is on call 24 hours a day, but rarely loaded.

Flexible mounting

Flexible mounting image

The STEP-PS/1AC/12DC/3 power supply offers flexible mounting options. It can either be snapped onto a DIN rail or screwed onto a level surface. When mounting on level surfaces, lugs integrated into the housing eliminate the need for additional mounting material.

U/I characteristic curve for the supply of capacitive loads

The STEP-PS/1AC/12DC/3 Industrial Power Supply is well suited for driving capacitive loads, and DC/DC converters in the primary circuit, due to its U/I characteristic curve. This makes STEP DIN Rail Power Supply suitable for applications such solar cell testing, solar panel testing, testing of piezoelectric driving devices, capacitor testing, driving and testing of capacitive transducers, powering industrial substation capacitors, and lab-type applications with capacitive-resistive loads. This STEP Power Supply can also be used to power resistive loads, and inductive loads.

10 to 16.5 V DC Adjustable Output Voltage Range

Using the rotary potentiometer on the front face of the STEP power supply, the output voltage can be optimally adjusted to meet specific application environment requirements. For example, you can easily adjust to compensate for a voltage drop caused by a long cable length.

Ideal application environments for a STEP-PS/1AC/12DC/3 DIN Rail Power Supply

  • Shipbuilding
  • flat control panels
  • testing of solar cells, solar panels, piezoelectric driving devices and capacitors
  • driving and testing of capacitive transducers
  • powering industrial substation capacitors
  • lab-type applications with capacitive-resistive loads
  • automated production process
  • building control, security and surveillance, and climate control systems

Other reasons to choose a STEP-PS/1AC/12DC/3 Industrial Power Supply

  • Shipbuilding Approvals
  • DIN Rail mount narrow housing saves space in the control cabinet
  • Voltage Isolation input/output: 4 kV AC
  • LED indicator for voltage out failure: If the output voltage is below the operational range, the LED turns off.
  • Protections: Short-circuit, Overload, Over voltage, Over-temperature
  • High MTBF (Mean Time Between Failure) values of more than 500,000 hours at +40°C ensure maximum availability
  • IEC Protection Class II Power Supplies

Industrial Class 2 Power Supply

With the NEC designation as a Class 2 Power Supply, all regulations address the wiring requirements (wire size and insulation, wire derating factors, overcurrent protection limits and methods of wiring installation) between the output of the supply and the input of the load are met by this STEP. The output voltage and power delivery capabilities of this Class 2 power supply will lower the risk of fire initiation and electrical shocks, which allows for lower cost wiring methods to be employed when installing an electrical system in a building.

Environmental Product Compliance
REACH SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 25;
General
Net weight 0.19 kg
Operating voltage display Green LED
Efficiency > 85 % (for 230 V AC and nominal values)
Insulation voltage input/output 4 kV AC (type test)
3.75 kV AC (routine test)
Insulation voltage input / PE 3.5 kV AC (type test)
2 kV AC (routine test)
Insulation voltage output / PE 500 V DC (routine test)
Protection class II (in closed control cabinet)
Degree of protection IP20
MTBF (IEC 61709, SN 29500)
> 1689000 h (40 °C)
Mounting position horizontal DIN rail NS 35, EN 60715
Assembly instructions alignable: 0 mm horizontally, 30 mm vertically
Standards and Regulations
Electromagnetic compatibility Conformance with EMC Directive 2014/30/EU
Noise immunity EN 61000-6-2:2005
Connection in acc. with standard CUL
Standards/regulations EN 61000-4-2
Contact discharge 4 kV (Test Level 2)
Standards/regulations EN 61000-4-3
Frequency range 80 MHz ... 1 GHz
Test field strength 10 V/m
Frequency range 1.4 GHz ... 2 GHz
Test field strength 3 V/m
Standards/regulations EN 61000-4-4
Comments Criterion B
Standards/regulations EN 61000-6-3
EN 61000-4-6
Frequency range 0.15 MHz ... 80 MHz
Voltage 10 V (Test Level 3)
Standards/regulations EN 61000-4-11
Low Voltage Directive Conformance with LV directive 2006/95/EC
Standard - Safety of transformers EN 61558-2-16
Standard - Electrical safety IEC 60950-1/VDE 0805 (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 60950-1 (SELV) and 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
Shipbuilding approval DNV GL (EMC B) ABS, NK
UL approvals UL/C-UL listed UL 508
UL/C-UL Recognized UL 60950-1
UL ANSI/ISA-12.12.01 Class I, Division 2, Groups A, B, C, D T4 (Hazardous Location)
NEC Class 2 as per UL 1310
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.
Information technology equipment - safety (CB scheme) CB Scheme
Rail applications EN 50121-4
Connection data, input
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
Output data
Nominal output voltage 12 V DC ±1 %
Setting range of the output voltage (USet) 10 V DC ... 16.5 V DC (> 12 V DC, constant capacity restricted)
Nominal output current (IN) 3 A (-25 °C ... 55 °C)
3.3 A (-25°C ... 40°C permanent )
Output current Imax 4.9 A
Derating 55 °C ... 70 °C (2.5%/K)
Connection in parallel Yes, for redundancy and increased capacity
Connection in series yes
Feedback resistance ≤ 25 V DC
Protection against surge voltage on the output < 25 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 < 40 mVPP (20 MHz)
Output power 36 W
Typical response time < 0.5 s
Peak switching voltages nominal load < 35 mVPP (20 MHz)
Maximum power dissipation in no-load condition < 0.5 W
Power loss nominal load max. 6.4 W
Dimensions
STEP-ps-1ac-12dc-3 Dimension drawing
Width 54 mm
Height 90 mm
Depth 61 mm
Weight per piece 190.0 GRM
Input data
Nominal input voltage range 100 V AC ... 240 V AC
Input voltage range 85 V AC ... 264 V AC
95 V DC ... 250 V DC
AC frequency range 45 Hz ... 65 Hz
Frequency range DC 0 Hz
Current consumption 0.6 A (120 V AC)
0.3 A (230 V AC)
Nominal power consumption 71.7 VA
Inrush surge current < 15 A (typical)
Mains buffering typ. 26 ms (120 V AC)
typ. 160 ms (230 V AC)
Input fuse 3.15 A (slow-blow, internal)
Choice of suitable circuit breakers 6 A ... 16 A (Characteristics B, C, D, K)
Power factor (cos phi) 0.59
Type of protection Transient surge protection
Protective circuit/component Varistor
Connection data, onput
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
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
Max. permissible relative humidity (operation) ≤ 95 % (at 25 °C, non-condensing)
Climatic class 3K3 (in acc. with EN 60721)
Degree of pollution 2
Approvals
 
  • cULus Listed
  • DNV GL
  • cULus Recognized
  • EAC
  • UL Recognized
  • NK
  • cUL Recognized
  • cUL Listed
  • UL Listed
  • IECEE CB Scheme
  • ABS


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