Technical Data - BACHOFEN B 8 Série Mode D'emploi

3.

Technical Data

Ex-protection-data
Explosion protection
EC Type examination certificate
CE designation
Safety Integrity Level (SIL)
Type B...8
Type BB...8
Electrical connection
The electrical connection should be carried out in accordance with the regulations for explosion proof
devices.
Not suitable for the switching of motor loads and incandescent lamp loads. The device is not protected
against excess current.
Supply voltage
Maximum values
The product of current and voltage should not exceed 0.12 VA, otherwise the gold contacts could be
permanently damaged.
Special conditions for safe use
Level switch without heat exchanger
B...8
DB...8
Level switch with heat exchanger for very high or very low operating temperatures
HB...8, HBB...8
TDB...8, TDBB...8
Level switch for submersible application
U...B...8, U...BB...8
The rated cross-section of the conductor to be considered here must be at least 0,5 mm².
Connection cables may not be bared for a distance of more than 3 mm from the terminal screw.
Wire end ferrules must always be used.
www.trimodbesta.com

II 1/2 G Ex ia IIC T6 Ga/Gb
EPS 12 ATEX 1430 X

2004
SIL 1 (SIL 3 capable)
SIL 2 (SIL 3 capable)
For use in intrinsically-safe circuits only!
I = 0.5 A
i
≈ 0 nF, 0 µH
C , L
i i
Limits
microswitch
T
i
-40°C to 150°C
-40°C to 150°C
Limits
microswitch
T
i
-40°C to 150°C
-40°C to 150°C
Limits
microswitch
T
i
-40°C to 150°C
8 │ 20
Ambient temperature
(acc. to EN 60079-0
-20°C to 60°C)
T
A
0°C to 70°C
-30°C to 120°C
Ambient temperature
(acc. to EN 60079-0
-20°C to 60°C)
T
A
0°C to 135°C
-10°C to 80°C
Ambient temperature
(acc. to EN 60079-0
-20°C to 60°C)
T
A
-30°C to 80°C
Operating
temperature
T
0
0°C to 330°C
-30°C to 120°C
Operating
temperature
T
0
0°C to 400°C
-196°C to 270°C
Operating
temperature
T
0
-30°C to 80°C
LTB010X │ 2016.04