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NPFSR-K51D.F

NPFSR-K51D.F is 1NC and 1NO output safety relay, receiving DO signal, realizing reliable isolation control, and the field side supports up to 250V AC load circuit. It can be used for safety related applications of SIL3 and SC3 in accordance with IEC 61508 standard, and ESD in SIS. Main features: System loop detection support; Proof Test; Fail-safe technique; Triple redundancy; Replaceable fuse.
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Input devices

Signal type

Voltage range

Reset method

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NPFSR-K51D.F

¡¾Core technology¡¿

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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 60mA/24V DC
Test pulse width ¡Ü 4ms
Cable resistance ¡Ü 15¦¸
Input devices Safety switch, DO signal
Output
Number of contacts 1NC+1NO
Contact material AgSnO2
Maximum Contact loading 5A/250V AC, 5A/24V DC
Fuse rating Replaced fuse, ¡Ü 5A
General parameters
Energized ¡Ü 50ms
De-energized delay ¡Ü 50ms
Switching frequency ¡Ü 10Hz
Power dissipation ¡Ü 1.4W/24V DC
EMC data
EMC According to IEC 61298-3, IEC/EN 61000-6-2, IEC 61326-3-1
Rated insulation voltage 250V AC
Rated impulse voltage Input to output: 6000V(1.2/50us) Output to input: 4000V(1.2/50us)
Dielectric strength 1500V AC, 1 min
Clearance and creepage According to IEC 60664-1
Operating conditions
Vibration 10Hz ~ 150Hz, 0.75mm
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 23 mm(W)¡Á100 mm(H)¡Á115 mm(D)
Mounting type DIN35mm
Certified data
Product approvals SIL, CE
Proof-test interval 15 years, according to IEC 61508
DCavg 60%, according to IEC 61508
SIL SIL3, according to IEC 61508
HFT 0, according to IEC 61508
SFF ¡Ý 90%, according to IEC 61508
PFDavg/PTI = 15 years NC: 8.46E-5, according to IEC 61508 NO: 1.32E-4, according to IEC 61508
PFH NC: 7.72E-9 1/h, according to IEC 61508 NO: 1.37E-8 1/h, according to IEC 61508
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NPEXA-C11

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