CN

NPEXA-CM3D99L

Fire and smoke isolated barrier, it provides the fire and smoke detectors with power in the hazardous area and transfers 0~40mA signals from a hazardous area to a safe area. The input and output is galvanically isolated from each other.
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NPEXA-CM3D99L

【Core technology】

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【Installation and disposal】



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Installation                                               Disposal  






Supply
Loop Powered 18 ~ 30 V DC
Input
Input signal 0 ~ 40 mA
Available voltage Uo≥ Ui-(280+RL)×I-6, Ui≤ 24V; Uo> 18-(280+RL)×I, Ui> 24V;Ui is loop powered voltage
Output
Output signal 0 ~ 40 mA
Transfer characterisics
Accuracy 0.2 %F.S.
Temperature drift 0.01 %F.S. /℃
General parameters
Response time ≤ 2 ms
EMC data
Electromagnetic compatibility IEC 61326-3-1
Dielectric strength ≥ 2500V AC (intrinsically safe side /non-intrinsically safe side)
Insulation resistance ≥ 100 MΩ (Input /Output)
Operating conditions
Operation temperature -20 ℃ ~ +60 ℃
Storage temperature -40 ℃ ~ +80 ℃
Mounting type Mounting in safe area, and connected to the intrinsic safety apparatus in hazardous area zone 0, zone 1, zone 2, ⅡA, ⅡB, ⅡC, T4 ~ T6
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, CCS, CCC
Ex marking [Ex ia Ga]ⅡC
Um 250 V
Uo 25.2 V (Terminals 2, 3; 5, 6)
Io 93 mA (Terminals 2, 3; 5, 6)
Po 586 mW (Terminals 2, 3; 5, 6)
Co 0.105 μF (Terminals 2, 3; 5, 6)
Lo 4.1 mH (Terminals 2, 3; 5, 6)
NPEXA-C11

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