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Brand Name : P+F
Model Number : KFD2-SR2-Ex1.W
Certification : PF 08 CERT 0803
Place of Origin : Germany
MOQ : 1 piece
Price : negotiable
Payment Terms : T/T
Supply Ability : 100pcs per month
Delivery Time : on request
Packaging Details : standard carton packing
Safety Integrity Level (SIL) : SIL 2
Supply Connection : Power Rail or terminals 14+, 15-
Supply Rated current : ≤ 35 mA
Switching frequency : < 10 Hz
Display elements : LEDs
Electromagnetic compatibility : NE 21:2017 , EN 61326-3-1:2017 , EN IEC 61326-3-2:2018
Ambient temperature : -40 ... 70 °C (-40 ... 158 °F)
Dimensions : 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , housing type B2
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Relay contact output, Line fault detection (LFD), Reversible mode of operation, Up to SIL 2 (SC 3) acc. to IEC/EN 61508, Housing width: 20 mm, Number of channels: 1-channel, Safety Integrity Level (SIL): SIL 2, Systematic capability (SC): SC 3, Rated voltage: 19 ... 30 V DC, Field device: NAMUR sensor, Field device [2]: volt-free contact, Line fault detection, Type: 1 x relay (change-over contact)
Technical Data
|   			 General specifications  |   		||
|---|---|---|
|   			 Signal type  |   			  			 Digital Input  |   		|
|   			 Functional safety related parameters  |   		||
|   			 Safety Integrity Level (SIL)  |   			  			 SIL 2  |   		|
|   			 Systematic capability (SC)  |   			  			 SC 3  |   		|
|   			 Supply  |   		||
|   			 Connection  |   			  			 Power Rail or terminals 14+, 15-  |   		|
|   			 Rated voltage  |   			  			 19 ... 30 V DC  |   		|
|   			 Ripple  |   			  			 ≤ 10 %  |   		|
|   			 Rated current  |   			  			 ≤ 35 mA  |   		|
|   			 Power dissipation  |   			  			 ≤ 0.7 W  |   		|
|   			 Power consumption  |   			  			 ≤ 0.7 W  |   		|
|   			 Input  |   		||
|   			 Connection side  |   			  			 field side  |   		|
|   			 Connection  |   			  			 terminals 1+, 2+, 3-  |   		|
|   			 Rated values  |   			  			 acc. to EN 60947-5-6 (NAMUR)  |   		|
|   			 Open circuit voltage/short-circuit current  |   			  			 approx. 8 V DC / approx. 8 mA  |   		|
|   			 Switching point/switching hysteresis  |   			  			 1.2 ... 2.1 mA / approx. 0.2 mA  |   		|
|   			 Line fault detection  |   			  			 breakage I ≤ 0.1 mA , short-circuit I > 6 mA  |   		|
|   			 Pulse/Pause ratio  |   			  			 min. 20 ms / min. 20 ms  |   		|
|   			 Output  |   		||
|   			 Connection side  |   			  			 control side  |   		|
|   			 Connection  |   			  			 terminals 7, 8, 9  |   		|
|   			 Output  |   			  			 signal ; relay  |   		|
|   			 Contact loading  |   			  			 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 40 V DC/2 A resistive load  |   		|
|   			 Minimum switch current  |   			  			 2 mA / 24 V DC  |   		|
|   			 Energized/De-energized delay  |   			  			 approx. 20 ms / approx. 20 ms  |   		|
|   			 Mechanical life  |   			  			 107 switching cycles  |   		|
|   			 Collective error message  |   			  			 Power Rail  |   		|
|   			 Transfer characteristics  |   		||
|   			 Switching frequency  |   			  			 < 10 Hz  |   		|
|   			 Galvanic isolation  |   		||
|   			 Input/Output  |   			  			 reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff  |   		|
|   			 Input/power supply  |   			  			 reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff  |   		|
|   			 Output/power supply  |   			  			 reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff  |   		|
|   			 Indicators/settings  |   		||
|   			 Display elements  |   			  			 LEDs  |   		|
|   			 Control elements  |   			  			 DIP switch  |   		|
|   			 Configuration  |   			  			 via DIP switches  |   		|
|   			 Labeling  |   			  			 space for labeling at the front  |   		|
|   			 Directive conformity  |   		||
|   			 Electromagnetic compatibility  |   			  			 
  |   		|
|   			 
  |   			  			 Directive 2014/30/EU  |   			  			 EN 61326-1:2013 (industrial locations)  |   		
|   			 Low voltage  |   			  			 
  |   		|
|   			 
  |   			  			 Directive 2014/35/EU  |   			  			 EN 61010-1:2010+A1:2019+A1:2019/AC:2019  |   		
|   			 Conformity  |   		||
|   			 Electromagnetic compatibility  |   			  			 NE 21:2017 , EN 61326-3-1:2017 , EN IEC 61326-3-2:2018  |   		|
|   			 Degree of protection  |   			  			 IEC 60529:1989+A1:1999+A2:2013  |   		|
|   			 Functional safety  |   			  			 IEC/EN 61508:2010  |   		|
|   			 Input  |   			  			 EN 60947-5-6:2000  |   		|
|   			 Ambient conditions  |   		||
|   			 Ambient temperature  |   			  			 -40 ... 70 °C (-40 ... 158 °F)  |   		|
|   			 Mechanical specifications  |   		||
|   			 Degree of protection  |   			  			 IP20  |   		|
|   			 Connection  |   			  			 screw terminals  |   		|
|   			 Mass  |   			  			 approx. 150 g  |   		|
|   			 Dimensions  |   			  			 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , housing type B2  |   		|
|   			 
  |   			  			 Height  |   			  			 119 mm  |   		
|   			 
  |   			  			 Width  |   			  			 20 mm  |   		
|   			 
  |   			  			 Depth  |   			  			 115 mm  |   		
|   			 Mounting  |   			  			 on 35 mm DIN mounting rail acc. to EN 60715:2001  |   		|
|   			 Data for application in connection with hazardous areas  |   		||
|   			 EU-type examination certificate  |   			  			 PTB 00 ATEX 2080  |   		|
|   			 
  |   			  			 Marking  |   			  			 
  |   		
|   			 
  |   			  			 Input  |   			  			 Ex ia  |   		
|   			 
  |   			  			 Voltage  |   			  			 10.5 V  |   		
|   			 
  |   			  			 Current  |   			  			 13 mA  |   		
|   			 
  |   			  			 Power  |   			  			 34 mW (linear characteristic)  |   		
|   			 Supply  |   			  			 
  |   		|
|   			 
  |   			  			 Maximum safe voltage  |   			  			 253 V AC / 125 V DC (Attention! Um is no rated voltage.)  |   		
|   			 Output  |   			  			 
  |   		|
|   			 
  |   			  			 Maximum safe voltage  |   			  			 253 V AC (Attention! The rated voltage can be lower.)  |   		
|   			 Fault indication output  |   			  			 
  |   		|
|   			 
  |   			  			 Maximum safe voltage  |   			  			 40 V DC (Attention! Um is no rated voltage.)  |   		
|   			 Certificate  |   			  			 PF 08 CERT 0803  |   		|
|   			 
  |   			  			 Marking  |   			  			 
  |   		
|   			 Input  |   			  			 Ex ic  |   		|
|   			 
  |   			  			 Voltage  |   			  			 10.5 V  |   		
|   			 
  |   			  			 Current  |   			  			 13 mA  |   		
|   			 
  |   			  			 Power  |   			  			 34 mW (linear characteristic)  |   		
|   			 Certificate  |   			  			 TÜV 99 ATEX 1493 X  |   		|
|   			 
  |   			  			 Marking  |   			  			 
  |   		
|   			 Galvanic isolation  |   			  			 
  |   		|
|   			 
  |   			  			 Input/Output  |   			  			 safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V  |   		
|   			 
  |   			  			 Input/power supply  |   			  			 safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V  |   		
|   			 Directive conformity  |   			  			 
  |   		|
|   			 
  |   			  			 Directive 2014/34/EU  |   			  			 EN IEC 60079-0:2018+AC:2020 , EN 60079-7:2015+A1:2018 , EN 60079-11:2012 , EN IEC 60079-15:2019  |   		
|   			 International approvals  |   		||
|   			 FM approval  |   			  			 
  |   		|
|   			 
  |   			  			 FM certificate  |   			  			 FM19US0207X  |   		
|   			 
  |   			  			 Control drawing  |   			  			 116-0035  |   		
|   			 UL approval  |   			  			 E106378  |   		|
|   			 
  |   			  			 Control drawing  |   			  			 116-0473 (cULus)  |   		
|   			 
  |   			  			 Contact loading  |   			  			 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 30 V DC/2 A resistive load  |   		
|   			 IECEx approval  |   			  			 
  |   		|
|   			 
  |   			  			 IECEx certificate  |   			  			 IECEx PTB 11.0034 , IECEx TUN 19.0013X  |   		
|   			 
  |   			  			 IECEx marking  |   			  			 [Ex ia Ga] IIC  |   		
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