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Basic Safety Instructions

1171.0000.42-05.00 Page 3

Electrical safety

If the information on electrical safety is not observed either at all to the extent necessary, electric shock,

fire and/or serious personal injury or death may occur.

1. Prior to switching on the product, always ensure that the nominal voltage setting on the product

matches the nominal voltage of the AC supply network. If a different voltage is to be set, the power

use of the product may have to be changed accordingly.

2. In the case of products of safety class I with movable power cord and connector, operation is

permitted only on sockets with an earthing contact and protective earth connection.

3. Intentionally breaking the protective earth connection either in the feed line or in the product itself is

not permitted. Doing so can result in the danger of an electric shock from the product. If extension

cords or connector strips are implemented, they must be checked on a regular basis to ensure that

they are safe to use.

4. If the product does not have a power switch for disconnection from the AC supply network, the plug of

the connecting cable is regarded as the disconnecting device. In such cases, always ensure that the

power plug is easily reachable and accessible at all times (corresponding to the length of connecting

cable, approx. 2 m). Functional or electronic switches are not suitable for providing disconnection from

the AC supply network. If products without power switches are integrated into racks or systems, a

disconnecting device must be provided at the system level.

5. Never use the product if the power cable is damaged. Check the power cable on a regular basis to

ensure that it is in proper operating condition. By taking appropriate safety measures and carefully

laying the power cable, you can ensure that the cable will not be damaged and that no one can be

hurt by, for example, tripping over the cable or suffering an electric shock.

6. The product may be operated only from TN/TT supply networks fused with max. 16 A (higher fuse

only after consulting with the Rohde & Schwarz group of companies).

7. Do not insert the plug into sockets that are dusty or dirty. Insert the plug firmly and all the way into the

socket. Otherwise, sparks that result in fire and/or injuries may occur.

8. Do not overload any sockets, extension cords or connector strips; doing so can cause fire or electric

shocks.

9. For measurements in circuits with voltages V

rms

> 30 V, suitable measures (e.g. appropriate

measuring equipment, fusing, current limiting, electrical separation, insulation) should be taken to

avoid any hazards.

10. Ensure that the connections with information technology equipment, e.g. PCs or other industrial

computers, comply with the IEC60950-1/EN60950-1 or IEC61010-1/EN 61010-1 standards that apply

in each case.

11. Unless expressly permitted, never remove the cover or any part of the housing while the product is in

operation. Doing so will expose circuits and components and can lead to injuries, fire or damage to the

product.

12. If a product is to be permanently installed, the connection between the PE terminal on site and the

product's PE conductor must be made first before any other connection is made. The product may be

installed and connected only by a licensed electrician.

13. For permanently installed equipment without built-in fuses, circuit breakers or similar protective

devices, the supply circuit must be fused in such a way that anyone who has access to the product, as

well as the product itself, is adequately protected from injury or damage.

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