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AC-30B Mains Frequency Spark Tester

The AC-30B is ideal for applications testing larger wires, multi-conductor cables, or whenever more than 15kV is required. The A-30B meets a variety of common industrial specifications including UL 2556, UL 1581, and IEC 62230 (when properly applied and using an application appropriate electrode).

Downloads & Questions

We often provide our spec sheets and manuals in multiple languages. Contact us to let us know what you need, and we will get it to you!

Technical Specifications

Major Features:

  • Pinhole/Bare Wire Differentiation

  • Flexible Communication Options

  • Reliability

  • Ease of Use



Test Voltage Range

1-30kV RMS

Test Frequency

Commercial Frequency (Typically 50/60 Hz depending on location)

Voltage Display

3-digit LED display

Accuracy 2% of reading

Fault Indication

3-digit LED counter

Amber Fault Indicating LED

Operating Modes

Continuous high voltage / Remove voltage on fault

Momentary relay closure on fault / latched relay closure on fault until reset

Power Requirements

100-240VAC 49-61Hz

Power supply is self-adjusting

Product Diameter (round wire/cable)

Up to 8 inches

Electrode Types

Bead chain

Bead Chain Electrode Lengths

6 to 36 inches

Compliant UL line speed with a standard 6-inch electrode at 60 Hz

Up to 200 feet per minute

Maximum compliant UL line speed with a 36-inch electrode at 60 Hz

Up to 1,200 feet per minute

Compliant IEC line speed with a standard 6-inch electrode at 60 Hz

Up to 600 feet per minute

Maximum IEC compliant line speed with a 36-inch electrode  

Up to 3,600 feet per minute.  

Output Power

6mA Resistive 

Detection Sensitivity

Conforms to IEC62230

Relay Outputs

4 x User-configurable relays may be tasked to any desired function.

Pinhole Alarm, Bare Wire Alarm, Voltage Watchdog, Cover Open, Pinhole/Bare Wire Count Limits etc.

Standard Communications

Modbus RTU via RS-485, Analog

Optional Communications (with purchase of accessory communication card)

Ethernet IP, Modbus TCP, Profibus, Pofinet, DeviceNET

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