Surge arrester B88069X1470B502
3-electrode arrester T33-A350X
KB AB E / KB AB PM Issue 04 / 2007-03-29
Please read Cautions and warnings and Page 2 of 4
Important notes at the end of this document.
Features Applications
Very small size
Extremely fast response time
High current rating
Stable performance over life
Extremely low capacitance
High insulation resistance
RoHS-compatible
Line protection
Station protection
Base stations
Electrical specifications
DC spark-over voltage
1) 2) 4)
350
± 20
V
%
Impulse spark-over voltage
4)
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
< 800
< 650
< 900
< 700
V
V
V
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 V
dc
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
~ 1
~ 200
V
A
V
Weight ~ 1.4 g
Operation and storage temperature -40 ... +90 °C
Climatic category (IEC 60068-1) 40/ 90/ 21
Marking, blue negative
350 YY O
350 - Nominal voltage
YY - Year of production
O - Non radioactive