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NPFSR-K51D.E

NPFSR-K51D.E is energized output safety relay, receiving DO signal, realizing reliable isolation control. It can be used for safety related applications of SIL3 and SC3 in accordance with IEC 61508 standard, and fire and gas (F&G) safety systems. Main features: Pulse suppression circuit. Line Fault Transparency. Triple redundancy.
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Input devices

Signal type

Voltage range

Reset method

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NPFSR-K51D.E

¡¾Core technology¡¿

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¡¾Installation and disposal¡¿



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Installation                                               Disposal


¡¾Technical data¡¿ Supply Input Output General parameters EMC data Operating conditions ¡¾Mechanical specifications¡¿ Mechanical specifications ¡¾Certified data¡¿ Certified data
Supply
Power supply type Loop supply
Voltage range 18 V ~ 32 V DC, Typical 24V DC
Input
Current consumption ¡Ü 65mA/24V DC
Test pulse width ¡Ü 4ms
Cable resistance ¡Ü 15¦¸
Input devices Safety switch, DO signal
Output
Number of contacts 1NO
Contact material AgNi, gold-flashed, Ag alloy
Maximum Contact loading 5A/250V AC, 5A/30V DC
Alarm output 1NC or 1NO (Set according to customer needs before factory, default 1NC when there is no demand.)
Alarm contact capacity 0.1A/150V AC, 0.1A/30V DC
General parameters
Energized ¡Ü 30ms
De-energized delay ¡Ü 30ms
Switching frequency ¡Ü 0.5Hz
Power dissipation ¡Ü 1.0W/24V DC
EMC data
EMC According to IEC 61326-3-1
Rated insulation voltage 150V AC(Input to alarm output), 300V AC(Output to Other)
Rated impulse voltage 6400V(1.2/50us)
Dielectric strength 3000V AC, 1 min
Clearance and creepage According to IEC 61010
Operating conditions
Vibration 10Hz ~ 55Hz, 0.35mm
Overvoltage category III
Pollution degree 2
Protection type IP20
Ambient temperature -20¡ãC ~ +60¡ãC
Storage temperature -40¡ãC ~ +80¡ãC
Mechanical specifications
Connection method Screw connection
Dimension 17.8 mm(W)¡Á110 mm(H)¡Á117 mm(D)
Mounting type DIN35mm
Certified data
Product approvals SIL, CE
Proof-test interval 20 years, according to IEC 61508
DCavg 60%, according to IEC 61508
SIL SIL3, according to IEC 61508
HFT 2, according to IEC 61508
SFF ¡Ý 60%, according to IEC 61508
PFDavg/PTI = 15 years 1.19E-4, according to IEC 61508
PFH 3.41E-9 1/h, according to IEC 61508
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NPEXA-C11

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