Switch Amplifier KFA6-SR2-Ex2.W

• 2-channel isolated barrier
• 230 V AC supply
• Dry contact or NAMUR inputs
• Relay contact output
• Line fault detection (LFD)
• Reversible mode of operation
• Up to SIL 2 acc. to IEC 61508/IEC 61511

• Veri sayfası alıntısı: Teknik veriler  KFA6-SR2-Ex2.W

  General specifications
  Signal type		Digital Input
  Functional safety related parameters
  Safety Integrity Level (SIL)		SIL 2
  Supply
  Connection		terminals 14, 15
  Rated voltage		207 ... 253 V AC, 45 ... 65 Hz
  Power dissipation		1.2 W
  Power consumption		max. 1.3 W
  Input
  Connection side		field side
  Connection		terminals 1+, 2+, 3-; 4+, 5+, 6-
  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		output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12
  Output I, II		signal ; relay
  Contact loading		253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load
  Energized/De-energized delay		approx. 20 ms / approx. 20 ms
  Mechanical life		107 switching cycles
  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
  Output/Output		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
  Indicators/settings
  Display elements		LEDs
  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
  Conformity
  Electromagnetic compatibility		NE 21:2006
  Degree of protection		IEC 60529:2001
  Input		EN 60947-5-6:2000
  Ambient conditions
  Ambient temperature		-20 ... 60 °C (-4 ... 140 °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
  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 2081
  	Marking	II (1)G [Ex ia Ga] IIC  II (1)D [Ex ia Da] IIIC  I (M1) [Ex ia Ma] I
  	Input	Ex ia
  	Voltage	10.6 V
  	Current	19.1 mA
  	Power	51 mW (linear characteristic)
  Supply
  	Maximum safe voltage	253 V AC (Attention! Um is no rated voltage.)
  Output
  	Contact loading	253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load
  	Maximum safe voltage	253 V AC (Attention! The rated voltage can be lower.)
  Galvanic isolation
  	Input/input	not available
  	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 60079-11:2012
  International approvals
  FM approval
  	Control drawing	116-0035
  UL approval
  	Control drawing	116-0145
  CSA approval
  	Control drawing	116-0047
  IECEx approval
  	IECEx certificate	IECEx PTB 11.0031
  	IECEx marking	[Ex ia Ga] IIC [Ex ia Da] IIIC [Ex ia Ma] I
  General information