Electrical Connection; Ground Connection - VAT 650 Series Installation, Operating, & Maintenance Instructions

2.6

Electrical connection

2.6.1

Ground connection

Recommendation for ground strap between controller and system (chassis)
Material L (Length max.)
copper tinned 200 mm
B1
Note: Connection plates of ground strap must be total plane for a good electrical contact!
Note: The connection point at chassis (PE) must be blank metal (not coated).
It is also possible to connect the ground strap at system chamber if it is well connected to PE.
Note: Avoid low chassis cross section to the system PE connection. (Min. same cross section as ground strap)
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com
Installation, Operating & Maintenance Instructions
Series 650, DN 250 (I.D. 10"), RS232
B1 (min.) B2 (min.)
25 mm 25 mm
B2
d1
∅
d1 ( )
4.5 mm
L
Ground strap
Chassis (PE)
(Protective Earth)
www.vatvalve.com
∅
d2 ( )
customized
System
PE
d2
284654EA
9/42
2010-04-17