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Siemens EN 50295 manual 137, 3RX9 305-1AA00 3RX9 306-1AA00, Ce, Ul, Csa

Models: EN 50295

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AS-Interface Power Supply Units

Power supply units IP20

■Technical specifications (continued)

 

AS-Interface power supply unit

 

 

 

 

Dual output IP20

Combi output IP20

 

 

 

 

 

 

 

2 ￿30 V DC

1 ￿24 V DC / 1 ￿30 V DC

 

 

 

 

 

 

 

3RX9 305-1AA00

3RX9 306-1AA00

 

 

Output current in A

4/4

5/4

 

 

Input voltage in V

115/230 AC (selectable)

 

 

 

Input

Single-phase AC

 

 

 

• Range selection

 

 

 

 

With changeover switch

 

 

 

• Input voltage range in V

 

 

 

 

195 to 253 / 102 to 132 AC

 

 

 

• Overvoltage strength

 

 

 

 

EN 61 000-4-1

 

 

 

• Mains buffering at ￿e Rated in ms

 

 

 

 

> 20

 

 

 

• Mains frequency rated value I

 

 

 

 

50/60/47 to 63

 

 

 

range in Hz

 

 

 

 

• Built-in input fuse in A

 

 

 

 

T 5 (not accessible)

 

 

 

• Recommended m.c.b (IEC898)

 

 

 

 

From 16, characteristic C

 

 

 

in mains supply circuit in A

 

 

 

 

Output

 

 

 

 

• Stabilized floating DC voltage

 

 

 

 

Yes

 

 

 

acc. to AS-Interface specification

 

 

 

 

• Voltage rating UaRated in V

 

 

 

2 x 30 DC

30 DC/24 DC

 

 

• Total tolerance

 

 

 

29.5 to 31.6 DC

29.5 to 31.6 DC/24 DC ￿2 %

 

 

• Residual ripple in mVpp

< 300

 

 

 

(0–10 kHz, AS-i+/AS-i–)

 

 

 

 

• Spikes in mVpp

 

 

 

6

< 50

 

 

(10–500 kHz, AS-i+/AS-i–)

 

 

 

 

 

 

 

• Operational display

 

 

 

 

Green LED

 

 

 

• Current rating ￿a Rated in A

 

 

 

 

2x4

4/5

 

 

Efficiency/power loss

 

 

 

 

• Efficiency at UaRated, ￿aRated in %

 

 

 

 

Approx. 85

 

 

 

• Power loss at UaRated, ￿aRated in W

 

 

 

 

Approx. 36

 

 

 

Protective and monitoring functions

 

 

 

 

• Overvoltage protection of outputs

 

 

 

 

No

 

 

 

• Current limitation in A

 

 

 

> 4 (power boost 4.5)

> 4/> 5 (power boost 4.5 / 5.5)

 

 

• Short-circuit protection

 

 

 

 

Yes

 

 

 

Safety

 

 

 

 

• Primary/secondary isolation

 

 

 

SELV to EN 60 950

SELV to EN 60 950 (in preparation)

 

 

• Safety class (EN 60 950/IEC 950)

 

 

 

 

I

 

 

 

• Degree of protection

 

 

 

 

IP20

 

 

 

• Approvals

 

 

 

CE, UL, CSA

CE, UL, CSA (in preparation)

 

 

EMC

 

 

 

 

• Emitted interference

 

 

 

 

EN 50 081-1

 

 

 

• Noise immunity

 

 

 

 

EN 50 082-2

 

 

 

Operational data

 

 

 

 

• Ambient temperature range in °C

 

 

 

 

-45 to +55

 

 

 

• Transport and storage

 

 

 

 

-45 to +60

 

 

 

temperature range in °C

 

 

 

 

• Humidity class

 

 

 

 

Max. 80% rel. humidity

 

 

 

Mechanical data

 

 

 

 

• Input connection

Spring-loaded terminal connection (0.8 to 2.5 mm2)

 

 

 

• Output connection AS-i +

Spring-loaded terminal connection (0.8 to 2.5 mm2)

 

 

 

• Output connection AS-i -

Spring-loaded terminal connection (0.8 to 2.5 mm2)

 

 

 

• Output connection shield S

Spring-loaded terminal connection (0.8 to 2.5 mm2)

 

 

 

• Dimensions (W x H x D) in mm

150 x 135 x 107

 

 

 

• Mounting

 

 

Snap-on mounting onto standard rail DIN EN 50 022-35 x 7.5 mm

 

 

 

 

 

 

 

Siemens IK PI · 2004

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Page 136 Page 138
Page 137
Image 137
Siemens EN 50295 manual 137, 3RX9 305-1AA00 3RX9 306-1AA00, Ce, Ul, Csa
Page 136 Page 138

EN 50295 specifications

Siemens EN 50295 is emerging as a pivotal standard in the domain of electrical safety and design, particularly relevant for the electrical industry and equipment manufacturing sectors. Primarily, this European Norm is geared towards ensuring the safety of electrical systems used in dry environments, which is essential for various industrial applications.

One of the main features of the EN 50295 standard is its comprehensive safety requirements which are aimed at mitigating the risks associated with electrical systems. This includes aspects like insulation resistance, protective earthing, and the management of electrical faults. By setting a benchmark for safety, Siemens EN 50295 assists manufacturers in maintaining compliance with national and international regulations, thus protecting both users and equipment.

The standard emphasizes the importance of safety measures in the design process. It outlines criteria for components, assembly methods, and system installation, ensuring that electrical equipment operates stably and gets rid of risks related to electrical failures. This involves rigorous testing of materials and components, which enhances their reliability and longevity while providing efficient overall operation.

Siemens EN 50295 also incorporates advancements in technology, acknowledging the significance of intellectual innovation in the industry. It encourages the integration of smart technologies and automation features into electrical systems, paving the way for enhanced operational efficiencies. Such technologies not only improve the performance of electric systems but also contribute to energy conservation, reducing the overall environmental footprint.

Another characteristic of the EN 50295 standard is its adaptability. The framework it provides can be customized depending on specific industry needs, making it versatile across various sectors such as manufacturing, construction, and transportation. This adaptability ensures that businesses can maintain high safety standards while still allowing room for innovation and modern practices.

In summary, Siemens EN 50295 presents a well-rounded approach to enhancing safety, reliability, and sustainability in electrical systems. Its features and characteristics are set to guide industries in making informed decisions regarding electrical configuration, ultimately fostering a safer and more efficient working environment. The incorporation of emerging technologies ensures that the standard remains relevant in a fast-evolving technological landscape, proving to be an invaluable asset for manufacturers and service providers alike.