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KS-FLM-2-24.Ex

This SPD limits induced transients of different origin (lightning stroke, switching impulse, etc.). This is achieved by diverting the transient current to ground and limiting the signal line voltage to a safe level for the duration of the surge. It can be applied to 2-wire pressure transmitter, valve positioner, electrical converter, flowmeter, solenoid valve and other field instruments ect.
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Type

Wire system

Ex

Ground protection

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KS-FLM-2-24.Ex

¡¾Core technology¡¿

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¡¾Technical data¡¿ General parameters Lightning parameters Operating conditions Shell material ¡¾Mechanical specifications¡¿ Mechanical specifications ¡¾Certified data¡¿ Certified data
General parameters
Nominal voltage Un 24 V
Max. continuous operating voltage Uc(DC) 32 V
Max. continuous operating voltage Uc(AC) 22.5 V
Nominal current IL 600 mA
Series impedance <1¦¸
Response time Ta £¼1ns
Bandwidth fG 300 kHz
Lightning parameters
Total lightning impulse current Iimp(10/350 ¦Ìs) ,D1 5 kA
Lightning impulse current Iimp(10/350 ¦Ìs) ,D1 2.5 kA
Max. discharge current Imax(8/20 ¦Ìs) ,C2 20 kA
Nominal discharge current In(8/20 ¦Ìs) ,C2 10 kA
Voltage protection level Up(8/20 ¦Ìs) £¬£¬£¬£¬ £¬£¬£¬C2 L ¨C L ¡Ü60V/ L ¨C PE ¡Ü500V
Voltage protection level Up(1 kV/¦Ìs) £¬£¬£¬£¬ £¬£¬£¬C3 L ¨C L ¡Ü45 V/ L ¨C PE ¡Ü500V
Operating conditions
Operating temperature -40 ¡æ ~ +85 ¡æ
Shell material
Material PBT
Flame retardant grade(UL94) V0
Protection degree IP20
Mechanical specifications
Cross-sectional area (min.) 0.2 mm?
Cross-sectional area (max.) 2.5 mm?
Installtion 35mm DIN rail
Grounding mode Rail grounding
Certified data
Standards IEC 61643-21/GB/T 18802.21
Product approvals ATEX, IECEx, SIL, CE, Lightning protection
Device type Type A
HFT 0
Operating mode Low/High
SIL SIL3
¦ËS (1 FIT=10-9/h) 38.3 FIT
¦ËDU (1 FIT=10-9/h) 1.02 FIT
¦ËDD (1 FIT=10-9/h) 0 FIT
¦ËTOTAL (1 FIT=10-9/h) 39.2 FIT
SFF 97.4%
PFDavg(T1=7Y) 3.13E-05
PFH 1.02E-09 1/h
Intrinsically safe circuit certification Ex ia [ia Ma] ¢ñMb, Ex ia [ia Ga]¢òC T6/T5/T4 Gb
Ui 30 V
Ii 400 mA
Pi N/A
Ci 0 nF
Li 163.2 ¦ÌH
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NPEXA-C11

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