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NCN3-F31K2-N5-B33-S

Direct mounting on standard actuatorsATEX & IECEX certificationsUsable up to SIL 2 acc. to IEC61508Weatherproof hou...

重要参数:

系列: Double sensor

外壳材料:PC

输出及电压类型:2 线, DC

输出:NAMUR

Direct mounting on standard actuators

ATEX & IECEX certifications

Usable up to SIL 2 acc. to IEC 61508

Weatherproof housing for outdoor applications

LEDs for switching state of sensor and solenoid valve

Plug-in terminals

2:1 transfer method

Temperature range
-40 ... 100 °C (-40 ... 212 °F)

2 solenoid valves can be connected


General specifications
Switching function2 x normally closed (NC)
Output typeNAMUR
Rated operating distance3 mm
Installationflush mountable
Assured operating distance0 ... 2.4 mm
For assured operating distance sar see Manual Functional Safety.
Actual operating distance2.7 ... 3.3 mm typ.
Actuating elementStainless steel 1.4305 / AISI 303
8.5 mm x 8.5 mm x 0.5 mm
Reduction factor rAl0.4
Reduction factor rCu0.4
Reduction factor r3040.7
Reduction factor rSt371
Reduction factor rBrass0.5
Output type2-wire
Nominal ratings
Nominal voltage8 V
Switching frequency0 ... 3 kHz
Hysteresistyp. 5 %
Short-circuit protectionyes
Suitable for 2:1 technologyyes , Reverse polarity protection diode not required
Current consumption

Measuring plate not detected≥ 3 mA

Measuring plate detected≤ 1 mA
Time delay before availability≤ 1.1 ms
Switching state indicatorLED, yellow
Valve status indicatorLED, yellow
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
MTTFd1730 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Valve circuit
Voltagemax. 32 V DC
Currentmax. 240 mA
Short-circuit protectionno
Reverse polarity protectionyes, with reversed output LED is out of function, therfore more power for solenoid valve
Compliance with standards and directives
Standard conformity

NAMUREN 60947-5-6:2000
IEC 60947-5-6:1999

Electromagnetic compatibilityNE 21:2007

StandardsEN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
Approvals and certificates
UL approvalcULus Listed, General Purpose, Class 2 Power Source

Ordinary LocationE87056

Hazardous LocationE501628

Control drawing116-0455
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-40 ... 100 °C (-40 ... 212 °F)
Storage temperature-40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection typescrew terminals
Connection (system side)Screw terminals, tightening torque min. 0.5 Nm
Stripped length 7 mm , M20 x 1.5 cable gland , usable thread length 13.5 mm , screw-in depth max. 13.5 mm
Core cross-section (system side)rigid: 0.14 ... 2.5 mm2
flexible: 0.14 ... 1.5 mm2
flexible with core-end sleeve: 0.25 ... 1.5 mm2
Connection (valve side)4-pin, M12 x 1 socket
Core cross-section (valve side)like core cross section (system side)
Housing materialrugged, translucent polycarbonate (PC) optimised for outdoor use
Housing basePC
Degree of protectionIP66 / IP67 / IP69
Tightening torque, housing screws≤ 2 Nm
Tightening torque, cable glandM20 x 1.5 ; max. 4 Nm
Tightening torque, stopping plug1 Nm
NoteLED switch-off
General information
Use in the hazardous areasee instruction manuals