• Estimated Lead Time : 2 Weeks

• Manufacturer : Siemens

• Relay Module KFD0-RSH-1.4S.PS2

• 1-channel signal conditioner

• 24 V DC supply (loop powered)

• Logic input 20 V DC ... 26.5 V DC, non-polarized

• Fail-safe relay contact output for de-energized and energized to safe function

• Test pulse immunity

• Up to SIL 3 acc. to IEC 61508

• General specifications :-

• Signal type : Digital Output

• Functional safety related parameters :-

• Safety Integrity Level (SIL) : SIL 3

• Supply :-

• Rated voltage : loop powered

• Power dissipation : < 1.5 W

• Power consumption : < 1.5 W

• Input :-

• Connection side : control side

• Connection : Input terminals 7, 8 ; test input terminals 10, 11, 12

• Pulse/Pause ratio : min. 20 ms / min. 20 ms

• Test input : see Functional Safety Manual

• Signal level : 0-signal: -3 ... 3 V DC

1-signal: 20 ... 26.5 V

• Rated current : 45 ... 50 mA

• Output :-

• Connection side : field side

• Connection : output I (ETS): terminals 2, 3

output II (DTS): terminals 4, 5, 6

output I and II (DPS): terminals 2, 3, 4, 5, 6

• Contact loading : 253 V AC/5 A/cos f 0.7; 30 V DC/5 A resistive load

• Minimum switch current : 2 mA / 24 V DC

• Energized/De-energized delay : approx. 10 ms / approx. 5 ms

• Mechanical life : 5 x 106 switching cycles

• Fuse rating : 2.5 A (max. 5 A)

recommended maximum utilization of the fuse: 80 %

• Transfer characteristics :-

• Switching frequency : < 10 Hz

• Galvanic isolation :-

• Input/Output : 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 21:2012

• Degree of protection : IEC 60529:2013

• Ambient conditions :-

• Ambient temperature : -20 ... 60 掳C (-4 ... 140 掳F)

• Mechanical specifications :-

• Degree of protection : IP20

• Connection : screw terminals

• Mass : approx. 100 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 :-

• Certificate : PF 15 CERT 3844 X

• Marking II 3G Ex nA nC IIC T4 Gc [device in zone 2]

• Output : Contact loading 50 V AC/4 A; 30 V DC/4 A , see derating curves for Zone 2

• Directive conformity : Directive 2014/34/EU EN 60079-0:2012+A11:2013, EN 60079-15:2010

• Shipping Weight : 1.1 Kg