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NPEXB-K512L

Digital output isolated barrier. By switch signal controlling, transfers the wet contact signals from a safe area into current signals to a hazardous area, and drives field device like intrinsically safe valves, audible alarms, etc. It has loop powered. The input and output is galvanically isolated from each other.
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Input signal

Output signal

Channels

Power Supply Mode

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NPEXB-K512L

¡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 State ¡¾Mechanical specifications¡¿ Mechanical specifications ¡¾Certified data¡¿ Certified data
Supply
Loop Powered 20 ~ 30 V DC
Input
Input signal wet contact
Output
Output voltage £¾ 11.25 V DC
Output current ¡Ü 45 mA
Open-circuit voltage 21.6 V DC
General parameters
Response time £¼ 20 ms
Power dissipation 1.4 W
EMC data
Electromagnetic compatibility IEC 61326-3-1
Dielectric strength ¡Ý 3000V AC (intrinsically safe side / non-intrinsically safe side)
Insulation resistance ¡Ý 100 M¦¸ (Input /Output)
Operating conditions
Operation temperature -40 ¡æ ~ +70 ¡æ
Storage temperature -40 ¡æ ~ +80 ¡æ
Suitable location Mounting in safe area, and connected to the intrinsic safety apparatus in hazardous area zone 0, zone 1, zone 2, ?, ¢òA, ¢òB, ¢òC, ¢óC, T4 ~ T6. When the apparatus used in zone 2, please comply with the special conditions of use in the instructions.
State
Safe state de-energized
Mechanical specifications
Connection method Screw connection
Dimension 12.8mm (W) ¡Á 110mm (H) ¡Á 117mm (D)
Mounting type DIN35 mm
Certified data
Product approvals ATEX, IECEx, SIL, CCC
Type of equipment Type A
Hardware fault margin(HFT) 0
Mode of demand low/high
Safety integrity level(SIL) SIL3
¦ËS (1 FIT=10-9/h) 246.609 FIT
¦ËDU (1 FIT=10-9/h) 2.191 FIT
¦ËDD (1 FIT=10-9/h) 13.273 FIT
¦ËTOTAL (1 FIT=10-9/h) 262.448 FIT
SFF £¾ 90%
PFDavg(T1=1Y) 9.6E-06
PFH 2.19E-09 1/h
Ex marking [Ex ia Ma] ¢ñ¡¢[Ex ia Ga] ¢òC¡¢[Ex ia Da] ¢óC¡¢Ex ec [ia Ga] ¢òC T4 Gc
Um 250 V
Uo 25.2 V (Terminals 1, 2)
Io 116 mA (Terminals 1, 2)
Po 731 mW (Terminals 1, 2)
Co (?C) 0.107 ¦ÌF (Terminals 1, 2)
Lo (?C) 2.6 mH (Terminals 1, 2)
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NPEXA-C11

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