
1 2 3
Model designations
2
Note:Wire size 32/0.2 (1.0mm , 18AWG), length 150mm.
National Quality Supervision and Inspection Center for Products of
Process Automation Instrumentation
Cerfication standards:
GB/T 20438.1(IEC 61508-1)
GB/T 20438.2(IEC 61508-2)
GB/T 18802.21(IEC 61643-21)
Functional safety level:SIL3
Safety cerfication
Summarize
(1).Conveniently installed on spare screwed holes of protected devices.
(2).Paralleled with signal cables of protected devices.
(3).Total discharge current is 20kA.
(4).Protecting 2-wire, 3-wire, 4-wire field instruments.
CZLBX-48 series surge protective device is designed for protecting devices
in the field from damaging by surges and field instruments which is usually
caused by lightning strikes. The product has passed the test of shanghai
lightning protection center. Explosion protect performance has passed the
certificati- on of National Supervision and Inspection Centre for Explosion
Protection and Safety of Instrumentation.
Specification
Dimensions
Explosion-proof parameters
EX-standards:
Ex ia IIC T4~T6 Ga
Ex d IIC T4~T6 Gb
Cerfication standards:
GB3836.1-2010(IEC 60079-0)
GB3836.2-2010(IEC 60079-1)
GB3836.4 -2010(IEC 60079-11)
Explosion-proof parameters:
China National Quality Supervision and Testcentre for Explosion
Protected Electrical Products(CQST).
Rated operating voltage Un (DC):
Max. operating voltage Uc (DC) :
Rated discharge current In(8/20us):
Max. discharge current Imax(8/20us):
Total discharge current Itotal(8/20us):
Protection level Up (8/20us, line to line):
Protection level Up (8/20us, line to ground):
Response time (line to line):
Response time (line to ground):
Bandwidth(-0.5dB):
Leakage current:
Temperature range:
Relative humidity:
Material:
Degree of protection:
Test standards:
Lightning protection performance test:
24V
48V
5KA
10KA
20KA
85V
600V
1ns
100ns
2MHz
<2uA
-40℃~+85℃
5%~95%
304 stainless steel
IP65
GB 18802.21
IEC 61643-21
e
Shanghai lightning protection
centr
Customer can specify the thread standards:
□ M20×1.5(International)
□ 1/2" NPT(American)
□ Pg13.5(German)
□ G1/2"(British)
□ 3/4" NPT(American)
□ G3/4"(British)
I:M20×1.5
P:Pg13.5
N:1/2"NPT
g:G1/2"
n:3/4"NPT
G:G3/4"
28mm
14mm
75mm
14mm
75mm
24mm
75mm
20mm
24mm
CZLBX-48 - □ □
CZLBX s erie s SPD
Max. operating voltage
3:3-Wire
Blank:2-Wire
4:4-Wire
S:Cascade model
Blank:Parallel model
50V 32mA 0.4W
Type
CZLBX-48
CZLBX-48-3 50V 16mA 0.2W
Li
0uF 0mH
0mH
Ci
0uF
Pili
Ui
CZLBX-48-4 50V 0.4W32mA 0uF 0mH