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Instruction Manual, Alfa Laval Level Switch
TE91K023-EN5
4. Technical specifications
4.1 Level switch
Technical specifications
Ambient conditions
Operating temperature range
-40 ... 115 °C (up to 200 °C with sliding connection)
Storage temperature range
-40 ... 85 °C
Humidity (IEC 68-2-38)
< 98 % RH, condensing
Protection class (IEC 60529)
IP67
IP69K (with appropriate cable)
Vibration
IEC 60068-2-6
GL Test 2
Process connection
Connection variants
Refer to dimensional drawings (page 14)
Mounting position
Any (top, bottom, side)
Wetted parts material
PEEK Natura
AISI
316L
(1.4404)
AISI 304 (1.4301) (optional)
Surface roughness wetted parts
Ra < 0.8
μ
m
Process conditions
Process temperature
Refer to table (page 8)
Process pressure
Refer to table (page 8)
Electrical connection
Electrical connection
Connector variants
M12, 4 pin, polycarbonate
M12, 4 pin, stainless steel
Cable outlet
5 m, 4-wire, PVC
Power supply
Voltage supply range
12 ... 30 V DC
Current consumption (no load)
25 mA typ., 50 mA max.
Reverse polarity protection
Yes
Power-up time
< 2 s
Output signalization
Switching polarity
PNP
Current rating
20 mA max.
Short circuit protection
Yes
Voltage drop
PNP: (+Vs -1.5 V) ± 0.5 V, Rload = 10 k
Ω
Off leak current
± 100
μ
A max.
Switching logic
Normally open (NO)
Normally closed (NC)
