Surge arrester B88069X2910****
2-electrode arrester EM550X
PPD AB PD / PPD AB PM Issue 03 / 2014-11-17
Please read Cautions and warnings and Page 2 of 5
Important notes at the end of this document.
Features Applications
Small size
Fast response time
High current handling capability
Stable performance over service life
Low capacitance and insertion loss
High insulation resistance
RoHS-compatible
Power supplies
Antenna protection
Air condition
Modem
Consumer electronics
Dataline protection
Electrical specifications
DC spark-over voltage
1) 2)
Tolerance
Min.
Max.
550
20
440
660
V
%
V
V
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
< 1000
< 850
< 1100
< 950
V
V
V
V
Service life
10 operations 50 Hz, 1 s
2.5 A
1 operations 50 Hz, 0.18 s (9 cycles) 5 A
10 operations 8/20 µs 2.5 kA
1 operation 8/20 µs 5 kA
Insulation resistance at 100 V
DC
> 1
G
Capacitance at 1 MHz < 1
pF
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
~ 10
< 0.3
~ 60
V
A
V
Weight ~ 1 g
Operation and storage temperature
40 ... +90
°C
Climatic category (IEC 60068-1) 40/ 90/ 21
Marking, red positive
EM 550 YY O
EM - Series
550 - Nominal voltage
YY - Year of production
O - Non radioactive
1)
At delivery AQL 0.65 level II, DIN ISO 2859
2)
In ionized mode
3)
Combination wave generator (2
During service life: Impulse spark-over voltage < 730V
Terms in accordance with ITU-T Rec. K.12; IEC 61663-2 and IEC 61643-311.
