KROHNE BM 26 BASIC_ADVANCED Quickstart EN - Manual (Page 17)

ELECTRICAL CONNECTIONS
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BM 26 BASIC/ADVANCED
www.krohne.com 10/2012 - 4000346904 - QS BM 26 Basic-Adv R04 en
3.3 Protection category
For the IP categories of the accessories for the device, refer to the table that follows:
Protection categories according to EN 60529
How to make sure that the electrical installation agrees with the protection category
• Make sure that the gaskets are not damaged.
• Make sure that the electrical cables are not damaged.
• Make sure that the electrical cables agree with the national electrical code.
• The cables are in a loop in front of the device 1 so water cannot enter the housing.
• Tighten the cable glands 2.
• Close unused cable glands with dummy plugs 3.
Equipment housing IP category
Analog transmitter
Non-Ex / Ex i (without indicator) 54
Non-Ex / Ex i (with indicator) 66
Limit switches
Non-Ex / Ex i 66
DANGER!
Make sure the cable gland is watertight.
Figure 3-6: Protection category