E.3
Electronic pressure switches
hex 27 / 30 A/F
hex 27 and 30 A/F, adjustable by user
adjustable by user
•
•
•
•
•
114
Ceramic sensor in thick film technology
High overpressure protection to 7,250 psi (500 bar)
Easy adjustment of switching point from the outside
using set screw
Differential available within broad range (2 % – 95 %, set at factory)
Very high switching currents (to 1.4 A)
Technical details
Type:
0520 NO or NC
Transistor output:
PNP output (High-Side N-channel)
Supply voltage:
15 – 36 VDC
Output current:
1.4 A transistor output (PNP, DC12) with short-circuit and overvoltage protection
Idle power consumption:
< 15 mA
Adjustment range pnom:
0 – 10 bar
0 – 100 bar
0 – 250 bar
(145 psi)
(1,450 psi)
(3,625 psi)
Max. overpressure :
20 bar
150 bar
500 bar
(290 psi)
(2,175 psi)
(7,250 psi)
25 bar
175 bar
600 bar
(360 psi)
(2,540 psi)
(8,700 psi)
1)
Burst pressure :
1)
Mechanical life expectancy:
5,000,000 switching cycles in adjustment range at p nom
Pressure rise:
≤ 14,500 psi/s (≤ 1,000 bar/s)
Accuracy:
±0.5 % of adjustment range pnom (full scale (FS)) at room temperature
Switching point adjustment range:
2 ... 100 % of adjustment range p nom (FS), set from outside using set screw
Di erential:
2 … 95 % FS, programmable at factory (max. tolerance ± 1.0 % of adjustment range)
Standard di erential
without order speci cation:
approx. 7.25 psi (0.5 bar)
Resolution:
0.15 % of adjustment range p nom (FS)
Long term stability:
approx. 72.5 psi (5 bar)
±0.1 % of adjustment range pnom (FS) per year
Repeatability2):
±0.1 % of adjustment range pnom (FS)
Switching time:
< 4 ms
Temperature error2):
±0.04 % of adjustment range pnom (FS) / °C
E
Compensated temperature range:
+32 °F …+158 °F (0 °C … +70 °C), total error ≤ 2 %
Temperature range ambient:
-22 °F … +176 °F (-30 °C … +80 °C)
Temperature range media:
Wetted parts
material
with NBR (BunaN) seal:
-22 °F … +212 °F
(-30 °C … +100 °C)
with FKM (Viton®) seal:
-4 °F … +257 °F
(-20 °C … +125 °C)
Housing:
zinc-plated steel
Measuring cell:
Ceramic
Seal material:
NBR (BunaN), EPDM or FKM (Viton®)
Insulation resistance:
> 100 M Ω (500 VDC, Ri > 42) Ω
Vibration resistance:
10 g at 4 … 2000 Hz sine wave; DIN EN 60068-2-6
Shock resistance:
294 m/s²; 11 ms half sine wave; DIN EN 60068-2-27
Protection class:
IP65: (DIN EN 175301-803-A); IP67: (M12x1)
Electromagnetic compatibility:
Weight:
approx. 145 psi (10 bar)
EMC 2014/30/EU, EN 61000-6-2:2005, EN 61000-6-3:2007
approx. 8.5 oz (240 g)
1)
Static pressure, dynamic pressure 30 to 50% lower. Value refers to the hydraulic or pneumatic part of the electronic pressure
switch.
2)
Within the compensated temperature range
115
E.3
0520
hex 27 / 30 A/F
Electrical connectors and threads
eld adjustable
DIN EN 175301-803-A (DIN 43650-A)
~50 before tightening
M 12x1 - DIN EN 61076-2-101-A
~ 80
PG 9
30 A/F
1/4 BSPP
female
Pin
Assignment
Pin
1
Uv+
1
Uv+
2
Gnd
2
nc
3
Uout
3
Gnd
PE
PE
4
Uout
IP65
Cable output PG9
(outside diameter of cable 6 to 9 mm)
~ 60
Order number: 001
Assignment
IP67
Order number: 002
hex 27
2
Gasket
12
1/4 BSPP DIN
EN ISO 1179-2
(DIN 3852-11)
form E
Gasket
1/4 BSPP female thread
Thread code: 14
no / nc
116
1
(UV+)
2
(Gnd)
3
(Uout)
RoHS III
compliant
1/4 BSPP DIN
EN ISO 1179-2
(DIN 3852-11)
form E
Thread code: 41
0520
E.3
Order matrix for electronic pressure switches
hex 27 / 30 A/F
eld adjustable
Type
Adjustment Pressure
range
connection
Seal
material
Electrical
connection
Type
Electronic pressure switch
0520
Adjustment range 1) for NO
0 – 145 psi
(0 – 10 bar)
470
0 – 1,450 psi (0 – 100 bar)
472
0 – 3,625 psi (0 – 250 bar)
474
Adjustment range 1) for NC
0 – 145 psi
(0 – 10 bar)
471
0 – 1,450 psi (0 – 100 bar)
473
0 – 3,625 psi (0 – 250 bar)
475
Pressure connection
1/4 BSPP – female thread
14
1/4 BSPP – ISO 1179-2 (DIN 3852), form E
41
Seal material – Application areas
NBR (BunaN)
Hydraulic/machine oil, heating oil, air, nitrogen, etc.
1
FKM (Viton®) Hydraulic uids (HFA, HFB, HFD), petrol/gasoline, etc.
3
E
Electrical connection
DIN EN 175301-803-A (DIN 43650-A) ; socket device included
001
M 12x1 - DIN EN 61076-2-101-A
002
Order number:
0520
47X
XX
X
XXX
Also available factory adjusted. If you require factory adjustment, please state switching point and
hysteresis when ordering.
1)
Static pressure, dynamic pressure 30 to 50% lower. Value refers to the hydraulic or pneumatic part of
the electronic pressure switch.
RoHS III
2020 - 209
compliant
117
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