Accessory Modules for IL-NT, IC-NT, IA-NT and ID-Lite Global Guide
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4.6 IG-MTU/IG-MTU-C/MTU-2-1
4.6.1 Description
Voltage transformer unit, for three wire system, system with separated Neutral or when galvanic separation
between generator or mains voltage and controller is required.
IG-MTU with voltage ratio 1 : 1, conversion accuracy ± 1.5%, phase shift ± 2°
IG-MTU-2-1 with voltage ratio 2 : 1, conversion accuracy ± 1.5%, phase shift ± 2°
IG-MTU-C with voltage ratio 1 : 1, conversion accuracy ± 3%, phase shift ± 3° .Additional filter for the
cases of extreme distortion of generator voltage by higher harmonics due to inverters etc.
4.6.2 Connectors
IN Input voltage
OUT Output voltage
4.6.3 Wiring
Connect one or two IG-MTU units to separate generator and Mains/bus voltage from controller.
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