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3.
Technical Data
Ex-protection-data
Explosion protection
EC-Type examination certificate
CE designation
Safety Integrity Level (SIL)
Type ZK...
Type ZKK...
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
Alternating
current
250 V
30 V
Special conditions for safe use
Level switches without heat exchanger
ZK...8, ZKK...8
Z2K...8, Z2KK...8
Z5K...8, Z5KK...8
Level switches with heat exchanger for very high or low operating temperatures
ZHK...8, ZHKK...8
Z5HK...8, Z5HKK...8
ZTDK...8, ZTDKK...8
Z5TDK...8, Z5TDKK...8
Level switches for submersible application
ZU...K...8, ZU...KK...8
Z5U...K...8, Z5U...KK...8
Apart from the ambient temperature T
also has an influence on the max. temperature data for the complete unit:
Rated voltage: max. 250 V
www.trimodbesta.com
II 1/2 G Ex ed IIC T6...T5 Ga/Gb
EPS 12 ATEX 1430 X
2004
SIL 1 (SIL 3 capable)
SIL 2 (SIL 3 capable)
max. 5A / 250 VAC 50/60 Hz │ 0.25 A / 250 VDC
Resistive
Inductive
load
load
5 A
5 A
5 A
5 A
Limits
micro switch
T
i
-55°C to 100°C
Limits
micro switch
T
i
-55°C to 100°C
-55°C to 100°C
Limits
micros switch
T
i
-55°C to 100°C
and the operating/medium temperature T
A
Rated current I
Direct
current
250 V
125 V
Ambient
temperature
(acc. to EN 60079-0
-20°C to 60°C)
T
A
-45°C to 80°C
Ambient
temperature
(acc. to EN 60079-0
-20°C to 60°C)
T
A
-45°C to 80°C
-45°C to 80°C
Ambient
temperature
(acc. to EN 60079-0
-20°C to 60°C)
T
A
-30°C to 80°C
: max. 5 A, cos ϕ = 0.9
L
9 │ 24
Resistive
Inductive
load
load
0.25 A
0.03 A
0.5 A
0.06 A
Operating
temperature
T
0
-30°C to 145°C
Operating
temperature
T
0
0°C to 380°C
-196°C to 270°C
Operating
temperature
T
0
-30°C to 80°C
the following data
0
LTB007X │ 2016.04
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