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NPFSR-K4C31AD

K series safety mat input safety relay is applicable to 2-wire NO contact safety mat input. When a certain weight is applied to the safety mat, the NO contact of the safety mat is closed, and the safety output contact of the control safety relay is open, so as to protect the operators in the dangerous area. Main features: 1oo2 architecture;With detection of input breakage;With auto reset and manual reset or monitored manual reset function;The safety function remains effective in the case of a component failure;The correct opening and closing of the safety function relays is tested automatically in each on-off cycle.

Input devices

Signal type

Voltage range

Reset method

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NPFSR-K4C31AD

【Core technology】

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【Installation and disposal】



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Installation                                               Disposal


Supply
Voltage range 24V AC/DC
Voltage tolerance 0.85 ~ 1.1
AC frequency 50Hz ~ 60Hz
Input
Current consumption ≤ 50mA/24V DC
Input devices 2-wire NO contact safety mat
Output
Signal type 3NO+1NC
Contact type Forced guided
Contact material AgSnO2+0.2μmAu
Contact loading AC-15: 5A/230V, DC-13: 5A/24V
Contact fuse protection 10A gL/gG(NO), 6A gL/gG(NC)
General parameters
Switch-on ≤ 100ms
Release Mat action: ≤ 30ms, Power failure: ≤ 100ms
Recovery time Mat action: ≤ 30ms, Power failure: ≤ 100ms
Supply short interruption 20ms
Power dissipation ≤ 2.2W/24V DC, ≤ 5.4VA/24V AC
EMC data
EMC According to IEC/EN 60947, IEC 61326-3-1, IEC/EN 61000-6-2, IEC/EN 61000-6-4
Rated insulation voltage 250V AC
Rated impulse voltage 6000V(1.2/50us)
Dielectric strength 1500V AC, 1 min
Clearance and creepage According to IEC 60947-1
Operating conditions
Vibration 10Hz ~ 55Hz, 0.35mm
Overvoltage category III
Pollution degree 2
Protection type IP20
Ambient temperature -20 ℃ ~ +60 ℃
Storage temperature -40°C ~ +80°C
Mechanical specifications
Connection method Screw connection
Dimension 23 mm(W)×100 mm(H)×115 mm(D)
Mounting type DIN35mm
Certified data
Product approvals SIL, CE
Performance level PLd, according to ISO 13849
Category Cat.3, according to ISO 13849
PTI (TM) 20 years, according to ISO 13849
DCavg 99%, according to ISO 13849
MTTFD 162 years, according to ISO 13849
CCF 68, according to ISO 13849
SIL SIL2, according to IEC 61508
SIL CL SIL CL2, according to IEC 62061
HFT 1, according to IEC 62061
SFF ≥ 99%, according to IEC 62061
PFDavg/PTI = 20 years 1.65E-5，according to IEC 62061
PFH 1.91E-10 1/h, according to IEC 62061
Stop Category 0, according to IEC 60204
NPEXA-C11

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