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Manual BVS 19 ATEX E 080 X
6.1
Terminals and terminals ex-limits
Terminal
Voltage
U
= 250V AC
m
1, 2
U
= 250V AC
m
U
= 30V DC
m
U
= 250V AC
m
3, 4
U
= 250V AC
m
U
= 30V DC
m
5, 6
U
= 230V AC
n
7/8, 9/10
U
= 115V AC
n
U
= 24V DC
n
Table 1
Terminals ex-limits
Tolerance
Maximal pressure (P max.)
Minimal pressure (P min. (pre-purging phase)
Minimal pressure (P min. (normal operation,
leakage compensation)
Alarm pressure (P alarm.)
6.2.1 Valid air pressure values
6.4
Flow chart
The diagram shows the relationship between pressure inside of enclosure and the output flow. The dia-
gram is only valid, without reducing input or output diameters as well as flow reducing pipes.
Edition July 2020
Copyright
Current
I
= 5A bei AC1
m
I
= 1,2A bei AC15
m
I
= 5A bei DC1
m
I
= 5A bei AC1
m
I
= 1,2A bei AC15
m
I
= 5A bei DC1
m
Min.
cabinet pressure
for purging
7 mbar
cabinet pressure P [mbar]
Power
Comment
P
= 1500VA
m
P
= 300VA
Relay contact 1
m
P
= 150W
m
P
= 1500VA
m
P
= 300VA
Relay contact 2
m
P
= 150W
m
Terminal for solenoid valve
Mains
+/- 5% v. measure point
Adjustable: 0 mbar ... 22 mbar
Adjustable: 7 mbar ... 22 mbar
Adjustable: 0.8 mbar ... 22 mbar
Adjustable: 0 mbar ... 22 mbar
Max. cabinet
pressure: 22 mbar
C4
thuba Ltd., CH-4002 Basel
Switzerland
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