K4 Electromechanical pressure switch

HEX24

K4 P1

Technical features Regulation allen screw 2mm

Switching pressure range: From -0.8 Bar to 400 Bar
Maximum pressure: From 25 Bar to 600 Bar
Working temperature: -25°C ÷ +85°C
Hydraulic connection: Different threads (STD: ¼” BSP-M)
Zinc plated steel with key 24mm
Body material:
(AISI 316L or different BRASS on request)
Weight: 0,06 Kg
- Membrane execution ~ 10% of end of scale at 20°C
Fixed hysteresis value: - Piston execution ~ 20% of end of scale at 20°C
- Y Piston execution ~ 25% of end of scale at 20°C
Switching accuracy: ± 5% of end of scale at 20°C
Mechanical life: 106 cycles at 70 bar (1000 PSI) at 20°C
Tightening torque max: 50 Nm

Electric features
Maximum load: 0.5 A at 250 Volt AC, 0.15 A at 110 Volt DC
Type of electric contact: NO or NC
Electric protection acc. to EN 60529: P1 – IP54
Adjustment instructions
Other
- Special value of hysteresis
- CU-TR for Russian market
Also available: - UL-CSA for electric part only
- Separator (<10 bar) for corrosive and/or high
percentage of solid particles
Warranty: see dedicated page

F4. . . . . . . . . P1
Type of Type of
Switching P Hydraulic Body Type of Electric Setting Protection
Execution Electric Electric Condition
Pressure range Max Connection Material Seal contacts pressure Cap
Contact Connection
Bar Bar
R 0,2>2,5 Membrane 25

S 1>10 Membrane 25
0 X D
V
SM 1>10 Membrane 150 ⅛” BSP-M AISI316L Means
VITON
falling
1
SP 2>10 Piston 300 L pressure
¼” BSP-M T Indicate
BRASS setting, also
PTFE G the value Accessory
T 5>50 Piston 300 2 please
A Gold plated setting on request,
⅛”BSPT-M B indicate the
NO E contacts pressure, essential to
TM 5>50 Membrane 150 F NICKEL value
3 EPDM (if omitted also protect the
Fast-on PLATED
M10x1-M means indicate instrument
V 10>100 Piston 350 6.3x0.8 BRASS U
C 4
H standard the
Means
from dirty
VM 10>100 Membrane 150 NC HNBR contacts) condition and
⅛” NPT-M if rising
“D” or humidity
omitted pressure
Z 30>300 Piston 400 5 If “U”
means setting, also
¼” NPT-M omitted
zinc please
Y 50>400 Piston 600 means
6 plated indicate the
NBR
¼” BSPT-M steel value
ADJUSTABLE VACUUM SWITCH

WF4 -0,8>-0,15 Membrane 25

FOX s.r.l. Via Romagna,6 - 20090 OPERA (MI) Italy Tel. +39.02.57600033 e-mail: fox@fox.it
1 www.fox.it
Pressure Switch