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Megger Magnus Step Up Transformer (230V)

SKU
BT-12390
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£6,300.00 £5,250.00
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The Megger Magnus Step Up Transformer is used to check that instrument transformers in power systems are providing test instruments and protective relay equipment with the correct outputs. The Megger Magnus Step Up Transformer can be used to check power systems before they are put into operation and/or when a fault occurs.

The Megger Magnus Step Up Transformer can be used to demagnetise current transformer cores, conduct turn-ratio tests on voltage transformers, and prepare excitation curves for instrument transformers.

Preparing excitation curves using the Megger Magnus Step Up Transformer is quick and easy:

  • Read the user manual before operating the Megger Magnus Step Up Transformer
  • Connect the Megger Magnus Step Up Transformer to the secondary side of the current transformer and to an ammeter and voltmeter
  • Use the dial to increase the voltage
  • Record the voltage (U) and current (I) values
  • Repeat steps 3-4 until there is a sharp rise in the current (I) without any significant voltage (U) increase
  • Reduce voltage (U) slowly to zero to demagnetise the transformer and conclude the test

The Megger Magnus Step Up Transformer is able to provide 1A at 2.2kV. It features a two-hand control to improve user safety.

Finally, the Megger Magnus Step Up Transformer weighs just 16kg (35 lbs) and is supplied with a special high-voltage cable and robust transport case.

The Megger Magnus Step Up Transformer is an efficient, simple-to-use and safety-optimised transformer tester.

Megger Magnus Step Up Transformer (230V) Key Features

  • Check instrument transformers in power systems
  • Ensure transformers are providing test instruments and protective relay equipment with correct outputs
  • Check power systems before they are put into operation
  • Check power systems when a fault occurs
  • Demagnetise current transformer cores
  • Conduct turn-ratio tests on voltage transformers
  • Prepare excitation curves for instrument transformers
  • Preparing excitation curves is quick and easy
  • Can provide 1A at 2.2kV
  • Two-hand control for improved user safety
  • Weighs: 16kg (35 lbs)
  • Supplied with a special high-voltage cable
  • Supplied with a robust transport case
  • Efficient, simple-to-use and safety-optimised transformer tester

What’s Included?

  • Megger Magnus Step Up Transformer (230V)
  • Megger GA-0090 High Voltage Cable Set
  • Megger GD-00182 Transport Case

Please note that this model is optimised for the UK/Europe and requires a mains voltage of 230V AC. Models requiring a mains voltage of 115V AC are available, please contact our sales team for further information.

Part Code

Megger Magnus Step Up Transformer (230V) Technical Specifications 

Specifications are valid at nominal input voltage and an ambient
temperature of +25°C, (77°F). Specifications are subject to change
without notice.
Environment
Application field The instrument is intended for use in high-voltage substations and industrial environments.
Temperature Operating 0°C to +50°C (32°F to +122°F)
Storage & transport -40°C to +70°C (-40°F to +158°F)
Humidity 5% – 95% RH, non-condensing
CE-Marking
EMC 2004/108/EC
LVD 2006/95/EC
General
Mains voltage 230 V AC, 50/60 Hz
Power consumption 2300 VA (max)
Protection Thermal cut-outs
Dimensions Instrument 356 x 203 x 241 mm
(14” x 8” x 9.5”)
Transport case 610 x 290 x 360 mm
(24” x 11,4” x 14,2”)
Weight 16.3 kg (35,9 lbs)
26.7 kg (58.9 lbs) with accessories
and transport case
High voltage cables 2 x 5 m (16.4 ft) / 1,5 mm2, 15 kV
Measuring Outputs
Voltage 100/1, (max load of 1 MΩ)
Voltage Inaccuracy ±1,5%
Current 10/1
Current Inaccuracy ±1,5% at 2 A output current
±3% at 0,5 A output current
Voltage Outputs, AC
(I) High voltage output (1) 0 – 2200 V AC    
(II) Variable transformer, not
isolated from mains (1)
0 – 250 V AC    
Voltage Current  Max. Load Time Rest Time 
2200 V AC 1 A 30 s (2) 10 minutes (2)
250 V AC 6 A Continuous -
Notes  (1) The outputs I and II must not be loaded at the same time
(2) The load time and rest time for the high voltage output is calculated at the maximum output voltage and current. During an excitation test the voltage and current is only at their maximum level at the end of the test.
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