CN

NPEXA-C5F11

Digital input isolated barrier, it converts switch or proximity detector signals (dry contact or NAMUR) from a hazardous area into relay signals to a safe area by isolation. The normal output sate can be set with the DIP switch. The input, output, and power supply are galvanically isolated from each other.

Input signal

Output signal

Channels

Power Supply Mode

LFD

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NPEXA-C5F11

【Core technology】

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【Installation and disposal】



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Installation                                               Disposal  






Supply
Power supply 18 ~ 60 V DC
Input
Input signal Dry contact or NAMUR
Output
Output signal Relay contact
Load capacity 125VAC/0.5A, 24VDC/1A
General parameters
Relay mechanical life > 100000 switching cycles
Switch frequency < 10 Hz
Response time < 20 ms
Power dissipation 2.0 W
EMC data
Electromagnetic compatibility IEC 61326-3-1
Dielectric strength ≥ 3000V AC (intrinsically safe side / non-intrinsically safe side); ≥ 1500V AC (Power supply /non-intrinsically safe side)
Insulation resistance ≥ 100 MΩ (Input /Output/Power supply)
Operating conditions
Operation temperature -20 ℃ ~ +60 ℃
Storage temperature -40 ℃ ~ +80 ℃
Suitable location Mounting in safe area, and connected to the intrinsic safety apparatus in hazardous area zone 0, zone 1, zone 2, ⅡA, ⅡB, ⅡC, ⅢC, T4 ~ T6
State
LFD function When input current ≤ 50μA, considers the input line breakdown, the output relay de-energized. If input current ≥ 6.5mA, considers the input circuit short-circuit, the output relay de-energized, the indicator red flashing
Mechanical specifications
Connection method Screw connection
Dimension 17.8mm (W) × 110mm (H) × 117mm (D)
Mounting type DIN35 mm
Certified data
Product approvals CNEX, CE, FCC, CCC
Ex marking [Ex ia Ga]ⅡC, [Ex ia Da] ⅢC
Um 250 V
Uo 10.5 V (Terminals 1, 2; 2, 3; 4, 5; 5, 6 )
Io 11.3 mA (Terminals 1, 2; 2, 3; 4, 5; 5, 6 )
Po 29.7 mW (Terminals 1, 2; 2, 3; 4, 5; 5, 6 )
Co 1.6 μF (Terminals 1, 2; 2, 3; 4, 5; 5, 6 )
Lo 195 mH (Terminals 1, 2; 2, 3; 4, 5; 5, 6 )
NPEXA-C11

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