Switch Amplifier KFA6-SR2-Ex1.W

1-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

技术参数 KFA6-SR2-Ex1.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 W
Power consumption		max. 1 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		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
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) , 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/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 60079-0:2012+A11:2013 , 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 PTB 11.0031
Approved for	[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I