Input AC Power Module:
This module is an IEC320 interface to the mains power. The module has an integrated switch, fuse holder and input
filter module. Above the module are the voltage, frequency and power requirements for the product. Below the
module are the fuse type and ratings based on the input voltage used. The green light on the right side of the module
illuminates when power is ON.
O , OFF position
1 (-) , ON position
Primary Interface Connection from the Transformer to the Unit:
This connection has all of the interfaces required to connect current and voltage inputs from a three phase transformer
into the MTO300 unit.
Discharge Indicator – blinks every ½ second when a transformer is discharging
Test Indicator – stays on when a transformer is energized.
Secondary/Tertiary Interface Connection from the Transformer to the Unit:
This connection has all of the interfaces required to connect current and voltage inputs from a three phase transformer
into the MTO300 unit.
www.megger.com
MTO3XXX-UG-EN Rev 1 Feb 2018
8
Product overview 300/330A
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