Surge arrester
2-electrode arrester
Series/Type: EC145X
Ordering code: B88069X5970****
Version/Date: Issue 02 / 2015-01-13
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Identification/Classification 1 Surge arrester
(header 1 + top left bar):
Identification/Classification 2 2-electrode arrester
(header 2 + bottom left header bar):
Ordering code: (top right header bar) B88069X5970****
Series/Type: (bottom right header bar) EC145X
Preliminary data (optional):
(if necessary)
EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohiPPD AB PD / PPD AB PM bited.
EPCOS AG is a TDK Group Company.
Surge arrester B88069X5970****
2-electrode arrester EC145X
Features Applications
Standard size Branch exchange
Very fast response time Line protection
High current rating Subscriber protection
Stable performance over life Alarm system
Very low capacitance Tuner
High insulation resistance Antenna protection
RoHS-compatible
Electrical specifications
1) 2)
DC spark-over voltage 145 V
Tolerance 20 %
Min. 116 V
Max. 174 V
Impulse spark-over voltage
at 100 V/s - for 99% of measured values < 500 V
- typical values of distribution < 450 V
at 1 kV/s - for 99% of measured values < 600 V
- typical values of distribution < 570 V
Service life
10 operations 50 Hz, 1 s 5 A
1 operation 50 Hz, 0.18 s (9 cycles) 20 A
10 operations 8/20 s 5 kA
1 operation 8/20 s 10 kA
Insulation resistance at 50 V > 10
DC G
Capacitance at 1 MHz < 1.5 pF
Arc voltage at 1 A ~ 12 V
Glow to arc transition current < 0.5 A
Glow voltage ~ 60 V
Weight ~ 1.5 g
Operation and storage temperature 40 ... +90 C
Climatic category (IEC 60068-1) 40/ 90/ 21
EC 145 YY O
Marking, red positive
EC - Series
145 - Nominal voltage
YY - Year of production
O - Non radioactive
Certification UL 497B (E163070)
1)
At delivery AQL 0.65 level II, DIN ISO 2859
2)
In ionized mode
Terms in accordance with ITU-T Rec. K.12; IEC 61663-2 and IEC 61643-311.
PPD AB PD / PPD AB PM Issue 02 / 2015-01-13
Please read Cautions and warnings and Page 2 of 5
Important notes at the end of this document.