CA01082E_Catalog 30

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

245170 245171 245176 245177

Surge Counter only

Surge Counter with Total Leakage Current Measurement (30 mA)

Surge Counter with Total Leakage Current Measurement w/ Auxiliary Connection

Surge Counter with Total Leakage Current Measurement (50mA)

Surge Counter

Product Details

Minimum Count Current

200 Amp (8/20 μs) 100 kA (4/10 μs)

Maximum High Current Withstand Nominal Residual Voltage at 100 kA

Surge Counter

5 kV peak

Count Rate

up to 10 per second

30 m/s 2 (10-500 Hz) per IEC 60068-2-6 800 m/s 2 (6ms) per IEC 60068-2-27

Vibration stability

Shock stability

Electro-Mechanical Cyclometer

Maintenance-free operation

10 million pulses

General Design

According to EN 61010-1, EN 50178

Page 59 | October 2023