Surge arrester B88069X8750B502
EPCOS 3-electrode arrester T23-A230XF4
KB AB E / KB AB PM Issue 09 / 2007-10-18
Please readCautions and warningsand Page 2 of 4
Important notesat the end of this document.
Features Applications
Standard size
Fast response time
High current rating
Stable performance over life
Very low capacitance
High insulation resistance
Reliable failsafe device
RoHS-compatible
Branch exchange (MDF)
Line protection
Station protection
Electrical specifications
DC spark-over voltage 1) 2) 4) 230
± 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
< 400
< 350
< 450
< 400
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) 50 A
10 operations [5x (+) & 5x (-)] 8/20 μs 5) 20 kA
1 operation 8/20 μs 5) 25 kA
1 operation 10/350 μs 5) 5 kA
300 operations 10/1000 μs 5) 200 A
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
~ 35
~ 1
~ 200
V
A
V
Weight ~ 2 g
Storage temperature -40 ... +90 °C
Climatic category (IEC 60068-1) 40/ 90/ 21
Marking, blue negative
230 YY O
230 - Nominal voltage
YY - Year of production
O - Non radioactive
