CA01082E_Catalog 30

30 - ARRESTERS

Accessories: Surge Counters

Counters: • Arrester surge counters, also known as discharge counters can be provided with or without a built-in milliamp meter to provide a continuous grading current reading. • Operation of an arrester surge counter and the optional grading current instrument requires that the arrester base be insulated from the ground. Insulating bases are required to mount the surge counter.

Catalog Information Part Number

Description

Surge Counter only

245170

Surge Counter with Total Leakage Current Measurement (30 mA)

245171

Surge Counter with Total Leakage Current Measurement w/ Auxiliary Connection

245176

Surge Counter with Total Leakage Current Measurement (50mA)

245177

Surge Counter

Product Details

Minimum Count Current

200 Amp (8/20 μs)

Maximum High Current Withstand

100 kA (4/10 μs)

Surge Counter

Nominal Residual Voltage at 100 kA

5 kV peak

Count Rate

up to 10 per second

Vibration stability

30 m/s 2 (10-500 Hz) per IEC 60068-2-6

Shock stability

800 m/s 2 (6ms) per IEC 60068-2-27

Electro-Mechanical Cyclometer

Maintenance-free operation

10 million pulses

General Design

According to EN 61010-1, EN 50178

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