Switch Mode Power Supplies (SMPS)    
 
The new generation power supplies make three power packed promises
 
  • Rugged


• Reliable


• Cost - effective
 
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Power Supplies - a standard for all 24 V application

Leading the world through innovation
All industrial fields worldwide are benefiting from the advantages given by stabilized power supplies and especially those using Sipower and Sitop Power. The advantages these power supplies offer are:
longer lifetime for connected loads, less heat dissipation, more compact construction, more functions, easier installation, and so much more.

Two families to choose from... Sitop Power
These are Switched Mode Power Supplies made by Siemens AG, Germany, with excellent aesthetics for smarter look-up. The family includes an entire range from 24V/2A to 24V/40A power supplies (single phase / three phase). With an extremely high efficiency of around 90%, they reduce energy wastage drastically. They open your way to the export market as they come with all major certifications including the prestigious CE mark.

Sipower
When it comes to design, reliability, protection and cost-effectiveness, these indigenously developed and manufactured Switched Mode Power Supplies are comparable to the best in the world. With a unique price by performance ratio, Sipower power supplies fit in perfectly for lower power application of single phase 24V/2A and 24V/5A. Sipower is highly suitable for the Indian power/mains conditions, thanks to the various protection and safety functions and ability to withstand tough environmental conditions. Economy is ensured by saving upfront cost and running costs due to low price and high efficiency.

Efficient and cost-effective
The high efficiency of upto 90% guarantees considerably less power consumption and at the same time, distinctly lowers the heat dissipation reducing the need of forced cooling. This further results in lower current operating costs without losses in power. The light and compact power supplies eliminates the need of huge panels, further bringing down the panel costs.

Extend the lifetime of your equipment
The constant stable 24V output voltage protects your modules against overvoltage and undervoltage in the extended allowable range of variations of the input voltage. This not only improves the operating safety but also ensures a longer lifetime of your modules.

Build in safety with built-in safety
Thanks to the integrated electronic short-circuit protection you don't need any additional fuses in the 24V circuit. A substantial output buffering time ensures a minimum power for some time immediately after a mains power failure, making it highly suitable for use with Programmable Controllers.


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 Technical Specifications
 
Sitop 1phase 24 VDC/2A 1phase 24VDC/SA 1phase 24V/10A 1phase 24V/20A 3phase 24V/20A 3phase 24V/40A
Ordering No. 6EP1331-2BA00 6EP1333-2BA00 6EP1334-2BA00 6EP1336-2BA00 6EP1436-2BA00 6EP1437-2BA10

Input Voltage-nominal value Input Voltage range


AC 120/230V 93...132V
187...264V

AC 120/230V 93...132V 187...264V

AC 120/230V 93...132V 187...264V

AC 120/230V 93...132V 187...264V

3 AC 400/500V 360...550V

3 AC 400/500V 360...550V
AC hold-up time

> 10ms > 10ms > 10ms around 10 ms > 3ms > 3ms

Nominal AC frequency value


50/60 Hz

50/60 Hz

50/60 Hz

50/60 Hz

50/60 Hz

50/60 Hz

Rated input current-Inrush current
(250C

0.9/0.6A 20A 6A characteristic C 3A characteristic D

2.2/Q.9A 55A 16 A characterisitc C 8A characteristic D

4.3/0.7A 45 A 10A characteristic C 6A
characteristic D

8.0/3.3A 81A 25A characteristic C

1.2A <20A, <5ms prot. Reuired is 3-ph coupled circuit breaker characterisitc C max. 25A

1.9A <30A, <5ms prot. Reuired is 3-ph coupled circuit breaker characterisitc C max. 25A


Output Voltage-nominal output voltage tolerance Output voltage adj. range


24V DC ±1 % 22.8...26.4 VDC

24V DC ±1 % 22.8...26.4 VDC

24V DC ±1 % 22.8...26.4 VDC

24V DC ±2 % 22.8...26.4 VDC

24V DC ±2 % 22.8...26.4 VDC

24V DC ±2 % 22.8...26.4 VDC

Nominal output current value


2A

5A

10A

20A

20A

40A

Efficency

82%

87%

89%

about 87%

< 87%

< 87%


Parallet connection possible


Yes, upto 2 units

Yes, upto 2 units

Yes, upto 2 units

Yes, upto 2 units

Yes, upto 2 units

Yes, upto 2 units

RFI specification EN 55011/55022


Class B

Class B

Class B

Class B

Class B

Class B

Mains pollution to EN 6100-3-2


Yes

Yes

Yes

Yes

Yes

Yes

Degree of protection
(VDE 0470, IEC 529)


IP 20

IP 20

IP 20

IP 20

IP 20

IP 20

Ambient temperature


00...+600C

00...+600C

00...+600C

00...+550C

00...+550C

00...+550C

Dimensions (W x H x D) in mm


50 x 125 x 125

75 x 125 x 125

100 x 125 x 125

280 x 125 x 92

280 x 125 x 92

280 x 180 x 92
 
 
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