M50_A350X Datasheet, PDF (2/4 Pages) EPCOS – Surge arrester 2-electrode arrester

Surge arrester
2-electrode arrester
B88069X4630xxxx ^a)
M50-A350X
Features
ƒ Very small size
ƒ High current rating
ƒ Very fast response time
ƒ Stable performance over life
ƒ Very low capacitance
ƒ High insulation resistance
ƒ RoHS-compatible
Applications
ƒ Branch exchange
ƒ Line protection
ƒ Subscriber protection
ƒ Alarm system
Electrical specifications
DC spark-over voltage ^{1) 2)}
Impulse spark-over voltage
at 100 V/µs - for 99 % of measured values
- typical values of distribution
at 1 kV/µs - for 99 % of measured values
- typical values of distribution
Service life
10 operations
1 operation
10 operations
1 operation
1 operation
50 Hz, 1 s
50 Hz, 0.18 s (9 cycles)
8/20 µs
8/20 µs
10/350 µs
Insulation resistance at 100 V_dc
Capacitance at 1 MHz
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
Weight
Operation and storage temperature
Climatic category (IEC 60068-1)
Marking, blue negative
a) _{xxxx = C102 (container with 100 pcs.)}
= C253 (container with 2500 pcs.)
1) _{At delivery AQL 0.65 level II, DIN ISO 2859}
2) _{In ionized mode}
Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845
350
V
± 20
%
< 800
V
< 750
V
< 900
V
< 800
V
5
A
10
A
5
kA
10
kA
0.5
kA
>1
GΩ
<1
pF
~ 15
V
~ 0.5
A
~ 60
V
~1
g
-40 ... +90
°C
40/ 90/ 21
350 YY O
350 - Nominal voltage
YY
- Year of production
O
- Non radioactive
KB AB E / KB AB PM
Please read Cautions and warnings and
Important notes at the end of this document.
Page 2 of 4
Issue 03 / 2007-04-19