Major Tech Industrial RCD (ELCB) Tester MT328

  • Microprocessor controlled for accuracy and reliability
  • Direct readout of disconnection time
  • Display mA Sensitivity
  • Current setting 5mA – 1000mA
  • Indicates tripping phase angle
  • 0° or 180° Phase angle selection
  • Operating voltage 100V – 450V L-E
  • Checks ELCB trip time and trip point sensitivity
  • Auto Off
  • Built-in 100s Timer
  • MT319 is an optional 3-phase adaptor
  • CAT III 450V

1 in stock (can be backordered)


1 in stock (can be backordered)

Major Tech Industrial RCD (ELCB) Tester MT328

The MT328 is a Microprocessor controlled Industrial Earth Leakage tester designed to operate on 550V, 380V and 220V systems, or circuits with a maximum of 450V AC (L-E). The MT328 has been designed for ease of operation while still maintaining safety, reliability and accuracy thus providing consistent results throughout all operating ranges. The MT328 offers both the Trip Time and the Sensitivity at which the ELCB tripped.

The Trip can be timed to a maximum of 100 Seconds, while the sensitivity can either be set at a certain milli amp rating or the operator can simply let the instrument ramp to 1000mA. The MT328 is ideally suited for Mining, Industrial and Domestic applications.

Pouch for leads
Test leads
Instruction Manual

SKU: MT328 Category:


Voltage Measurement 115V to 450V
Voltage accuracy ±(5%)
Frequency Response 50/60Hz
Range Fixed setting, auto ramp mA
Test Current 5mA to 1000mA
Measuring Range 0.1ms, 100s
Measuring range accuracy ±(1ms)
Display Dual display
Phase angle selection 0° to 180°
Enclosure Moulded case
Low battery indication Yes
Power source 8 x R6P
Weight 800g
Dimensions 170 x 120 x 95mm

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