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B88069X3040C253 Datasheet, PDF (2/4 Pages) EPCOS – SURGE ARRESTER 3-electrode arrester
Surge arrester
3-electrode arrester
B88069X3040C253
T30-A420X
Features
ƒ Very small size
ƒ Extremely fast response time
ƒ High current rating
ƒ Stable performance over life
ƒ Extremely low capacitance
ƒ High insulation resistance
ƒ RoHS-compatible
Applications
ƒ Line protection
ƒ Station protection
ƒ Base stations
Electrical specifications
DC spark-over voltage 1) 2) 4)
357 … 525
V
Impulse spark-over voltage 4)
at 100 V/µs - for 99 % of measured values
< 750
V
- typical values of distribution
< 700
V
at 1 kV/µs - for 99 % of measured values
< 800
V
- typical values of distribution
< 750
V
Service life
10 operations
50 Hz; 1 s 5)
10
A
1 operation
50 Hz; 0.18 s (9 cycles) 5) 30
A
10 operations [5x (+) & 5x (-)] 8/20 µs 5)
10
kA
1 operation
8/20 µs 5)
10
kA
1 operation
10/350 µs 5)
2
kA
Insulation resistance at 100 Vdc 4)
> 10
GΩ
Capacitance at 1 MHz 4)
< 1.5
pF
Transverse delay time 3)
< 0.2
µs
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
~ 30
V
~1
A
~ 200
V
Weight
~ 1.4
g
Operation and storage temperature
-40 ... +90
°C
Climatic category (IEC 60068-1)
40/ 90/ 21
Marking, blue negative
420 YY O
420 - 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 05 / 2007-03-29