深圳市正壹自动化技术有限公司代理销售德国进口宝德burkert浮子液位开关8181

• Switch for neutral and aggressive liquids
• NO/NC, alternating
• Reed contact
• Vertical or horizontal mounting
• Molded lying leads (Type 8181) or cable (Type TCL001)

FlOAt switch with hermetically sealed reed contacts
in a fixed switch part, switching triggered
by magnets in floating switch part, reed contact
implemented as alternator or normally open/
closed; for neutral and aggressive liquids; not
sensitive to dirt particles in the medium; cylindrical
threading for simple installation in side
of contAIner.
Different versions are available depending on
material (PP or stainless steel), mounting position
(horizontal or vertical) and equipment (relay).

Technical data - 8181
General data Type 8181 standard Type 8181 with relay module
Switching point at tilt of 7° ±3° (8.5 mm ±3 mm) at tilt of 7° ±3° (8.5 mm ±3 mm)
Mounting position Horizontal or vertical Horizontal or vertical
Thread G1/4" (only for PP-horizontal version) or G1/8" for leads
version and G3/4" for cable version
G3/4"
Materials
Housing, cover / Contact
Stem, float
Circlip (only vertical version)
Cable plug, cable gland
-
PP or stainless steel 304 (316L on request)
PP or stainless steel 304
PA (if one)
PC / AgNi 90/10
PP or stainless steel 304 (316L on request)
PP or Stainless steel 304
PA
Float density approx. 0.71) approx. 0.71)
Acceptable pressure
PP version
Stainless steel version
1 bar (vertical or horizontal mounting position)
10 bar (vertical mounting position)
5 bar (horizontal mounting position)
1 bar (vertical or horizontal mounting position)
10 bar (vertical mounting position)
5 bar (horizontal mounting position)
Medium temperature
PP version
Stainless steel version
-10 to +80°C
-40 to +120°C
-10 to +80°C
-40 to +120°C
Electrical connection Leads 300 mm or cable 5m Positionable M12 and EN175301-803 cable plug
Electrical cable 0.25 mm⊃2; min. cross section leads or
PVC covering cable, 0.25 mm⊃2; min. cross section,
2 wires + shielding
-
Electrical data Type 8181 standard Type 8181 with relay module
Output type Reed contact 1 single change-over contact
Switching function Normally closed/open Normally closed/open
Voltage Switching: max. 48 V AC/DC Max. 250 V AC / 30 V DC
Current Switching: max. 0.25 A Max. 3 A
Breaking power 66 VA AC/DC (only for PP-vertical version)
50 VA AC/DC
-
Contact resistance Max. 150 mΩ
Max. 200 mΩ (only for stainless steel horizontal version)
-
Breakdown voltage min. 310 V AC (only for PP-vertical version)
600 V DC
-
Insulating resistance Min. 10 MΩ -
Number of cycles - 100 000 acc. to standard VDE 0435
Current consumption - < 3 mA
Environment Type 8181 standard Type 8181 with relay module
Ambient temperature - 10 to +80°C (operation and storage) - 10 to +80°C (operation and storage)
Standards, directives and
approvals
Type 8181 standard Type 8181 with relay module
Protection class IP65 IP65
Vibrations and shocks 20G (for stainless steel version) -