www.trimodbesta.com
8
│
20
LTB010X
│
2016.04
3.
Technical Data
Ex-protection-data
Explosion protection
II 1/2 G Ex ia IIC T6 Ga/Gb
EC Type examination certificate
EPS 12 ATEX 1430 X
CE designation
2004
Safety Integrity Level (SIL)
Type B…8
SIL 1 (SIL 3 capable)
Type BB…8
SIL 2 (SIL 3 capable)
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
For use in intrinsically-safe circuits only!
Maximum values
I
i
= 0.5 A
C
i
, L
i
≈
0 nF, 0 µH
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
Limits
microswitch
T
i
Ambient temperature
(acc. to EN 60079-0
-20°C to 60°C)
T
A
Operating
temperature
T
0
B…8
-40°C to 150°C
0°C to 70°C
0°C to 330°C
DB…8
-40°C to 150°C
-30°C to 120°C
-30°C to 120°C
Level switch with heat exchanger for very high or very low operating temperatures
Limits
microswitch
T
i
Ambient temperature
(acc. to EN 60079-0
-20°C to 60°C)
T
A
Operating
temperature
T
0
HB…8, HBB…8
-40°C to 150°C
0°C to 135°C
0°C to 400°C
TDB…8, TDBB…8
-40°C to 150°C
-10°C to 80°C
-196°C to 270°C
Level switch for submersible application
Limits
microswitch
T
i
Ambient temperature
(acc. to EN 60079-0
-20°C to 60°C)
T
A
Operating
temperature
T
0
U…B…8, U…BB…8
-40°C to 150°C
-30°C to 80°C
-30°C to 80°C
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.