Products
PK6221

Pressure switch with intuitive switch point setting

PK6221

PK-250-SFN14-HCPKG/US/ /W

Pressure switch with intuitive switch point setting

PK6221

PK-250-SFN14-HCPKG/US/ /W

Article no longer available - archive entry

Product characteristics

Number of inputs and outputs

Number of digital outputs: 2

Measuring range

0...250 bar

0...3625 psi

Process connection

threaded connection 1/4" NPT external thread internal thread:M5

Application

for industrial applications

Media

liquids and gases

Medium temperature [°C]

-25...80

Min. bursting pressure

1000 bar

14500 psi

Pressure rating

400 bar

5800 psi

Type of pressure

relative pressure

Electrical data

Operating voltage [V]	9.6...32 DC
Current consumption [mA]	< 25
Min. insulation resistance [MΩ]	100; (500 V DC)
Protection class	III
Reverse polarity protection	yes

Inputs / outputs

Number of inputs and outputs	Number of digital outputs: 2

Outputs

Total number of outputs	2
Output signal	switching signal
Electrical design	PNP
Number of digital outputs	2
Output function	complementary
Max. voltage drop switching output DC [V]	2
Permanent current rating of switching output DC [mA]	500
Switching frequency DC [Hz]	100
Short-circuit protection	yes
Type of short-circuit protection	pulsed
Overload protection	yes

Measuring/setting range

Measuring range

0...250 bar

0...3625 psi

Set point SP

12.5...250 bar

181...3625 psi

Reset point rP

7.5...245 bar

109...3553 psi

Accuracy / deviations

Switch point accuracy [% of the final value]	< ± 2,5; (Setting accuracy)
Repeatability [% of the final value]	< ± 0,5; (with temperature fluctuations < 10 K)
Characteristics deviation [% of the final value]	< ± 1,5 (BFSL) / < ± 2,5 (LS); (BFSL = Best Fit Straight Line; LS = limit value setting)
Temperature drift per 10 K	< ± 0.5

Software / programming

Adjustment of the switch point	setting rings

Operating conditions

Ambient temperature [°C]	-25...80
Storage temperature [°C]	-40...100
Protection	IP 67

Tests / approvals

EMC

EN 61000-4-2 ESD	4 kV CD / 8 kV AD
EN 61000-4-3 HF radiated	10 V/m
EN 61000-4-4 Burst	2 kV
EN 61000-4-5 Surge	0,5/1 kV
EN 61000-4-6 HF conducted	10 V

Shock resistance

DIN IEC 68-2-27

50 g (11 ms)

Vibration resistance

DIN IEC 68-2-6

20 g (10...2000 Hz)

Mechanical data

Materials	PBT; PC; FKM; stainless steel (316L/1.4404)
Materials (wetted parts)	stainless steel (316L/1.4404)
Min. pressure cycles	50 million
Process connection	threaded connection 1/4" NPT external thread internal thread:M5
Restrictor element integrated	no (can be retrofitted)

Displays / operating elements

Display

operation	LED, green
switching status	LED, yellow

Remarks

Pack quantity	1 pcs.

Electrical connection

Connection	Connector: 1 x M12; coding: A

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — PK6221-00 — 11.05.2005 —