Germany Siemens/Siemens 6EP1437-2BA20 intelligent power supply unit

6EP1437-2BA20 Introduction: Siemens DIN rail power supply, SITOP PSU300S series, rated power 960W, 40A output 400 → 500V ac

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Model features introduced

SITOP intelligent power supply units
This 1- and 3-phase SITOP intelligent power supply is a universal and powerful standard power supply for mechanical and plant engineering. Despite its compact design, it provides excellent overload response. With a 150% power boost, power-hungry loads can be easily connected. The 120% permanent overload capacity provides stored power when expanding. The high level of efficiency provides low energy consumption and minimal heat generation within the control cabinet. To increase 24V availability, SITOP intelligent power supplies can be combined with buffers, DC UPS, redundancy and selectivity modules.

Features and Benefits:

Compact design

1.5 times the rated current extra power for brief functional overloads

Permanent overload capability with 1.2 times the rated current up to 45°C (24V model).

High level of efficiency up to 91.5%

Adjustable output voltage to compensate for voltage drops

Signal contacts for easy integration into device monitoring systems

Wide temperature range: -25°C or -10°C to 70°C
Product application information
SITOP power supplies can be combined with buffer modules, uninterruptible power supplies, redundancy modules, and selectivity modules.

Why use a DIN rail switching power supply?
The flexibility of the DIN rail mounting system allows for faster installation and all devices can be easily snapped onto metal rails. The power supply can be easily and orderly placed on a DIN rail in an enclosed junction box or in a space-constrained area. Similar devices can be installed next to each other, reducing the amount of cabling required. Most power supplies are convection-cooled, so there is no need for a cooling fan. DIN rail AC to DC switching power supplies are widely used in many automation, instrumentation and industrial applications. They are used to power a wide range of DC operating equipment, including sensors, motors, actuators, solenoid valves, relays, and more.

Key points to consider when buying a DIN rail switching power supply
DIN Rail Sizes – Three common DIN rails are available. Top caps, G-sections, and C-sections. Most have a depth of 7.5mm or 15mm. It is wise to check that your power supply is compatible with the DIN rail.

Type of protection – It is important to choose a power supply that can protect against short circuits, overloads, overtemperatures, or overvoltages. Some power supplies also offer a start-up pause mode, which allows the PSU to resume operation after clearing the fault.

Fixed or Adjustable Output Voltage or Current – In test systems, adjustable DC voltages are often employed, however, in other applications, a fixed DC power supply is critical.

Cabling and Wiring – The input/output lines connected to the power supply should be as short as possible and have a large cross-sectional area to help minimize noise and heat.

Efficiency – Choose a power supply with an efficiency of more than 89% to minimize power consumption, especially in applications where the system relies on convection cooling.

Input voltage range – If you purchase a DIN rail switching power supply for Europe and North America and the United Kingdom, you will need a universal AC input range of 80V AC to 264V AC.

Standard – If this power supply is intended for use in the United States to control electric motors, it needs to comply with standard UL508, which is a safety standard for industrial control equipment. Approved cULuscCSAusATEXIECExGLSITOPPSU300S40A stable voltage, input: 3X AC 400-500V output: DC 24V/40A

Model parameters are introduced

attribute	numeric value
Minimum input voltage	340V AC
Input voltage	400→500V AC
Maximum input voltage	550V AC
Output voltage	24V DC
Minimum output voltage	24V DC
Maximum output voltage	24V DC
Output current	40A
Rated power	960W
Number of outputs	1
Potentiometric phase	3
type	Switch mode
range	SITOP
size	150x150x145mm
height	145mm
width	150mm
Maximum temperature	+70°C
Ripple and noise	150mV peak-to-peak
weight	3.7kg
series	SITOPPSU300S
Load regulation	2%
Line regulation	1%
depth	145mm
Hazardous area certification	ATEX
Minimum temperature	0°C
Installation type	DIN rails
Output voltage adjustment range	24→28V

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Germany Siemens/Siemens 6EP1437-2BA20 intelligent power supply unit

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