Agilent Technologies DP111 Spécifications Page 438

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Lightning Protection Appendix F Environmental Data
438 3BSE036351-510 A
Lightning Protection
Industrial installations and power plants are normally provided with well-integrated
grounding networks, installed as part of the power distribution system. Such
installations do not require additional lightning protection.
Additional lightning protection is always necessary when:
Cables extend beyond the area covered by the ground line network
Cables are located above ground
Overhead cables are used.
Inductive Load Suppression
Inductive loads, such as relays and contactors connected directly to products, do not
require suppression. The necessary suppression components (varistors or snubbers-
RC units) are installed on the circuit boards.
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