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1 INTRODUCTION
Within the ZAPIMOS family, the AC3 inverter is the model suitable for control of 7÷12 KW
motors; the AC4 inverter is the model suitable for control of 12kW to 20kW motors. They
have been expressly designed for battery electric traction.
They are fit for electric truck, electric cars, tractors and buses.
2 SPECIFICATION
2.1 AC-3 TECHNICAL SPECIFICATIONS
Inverter for AC asynchronous 3-phase motors
Regenerative braking functions
Can-bus interface
Digital control based upon a microcontroller
Voltage: ......................................................................................... 36 - 48 - 72 - 80V
Maximum current (36V,48V): ......................................................... 600A (RMS) for 3'
Maximum current (72V,80V): ......................................................... 450A (RMS) for 3'
Booster (all version) .............................. 10% of maximum current for some seconds;
Operating frequency: ..........................................................................................8kHz
External temperature range: ................................................................. -30°C ÷ 40°C
Maximum inverter temperature (at full power): .................................................... 75°C
2.2 AC-4 TECHNICAL SPECIFICATIONS
Inverter for AC asynchronous 3-phase motors
Regenerative braking functions
Can-bus interface
Digital control based upon a microcontroller
Voltage: ................................................................................................ 48 - 72 - 80V
Maximum current (48V): ................................................................ 700A (RMS) for 3'
Maximum current (72V,80V): ......................................................... 550A (RMS) for 3'
Booster (all version) .............................. 10% of maximum current for some seconds;
Operating frequency: ..........................................................................................8kHz
External temperature range: ................................................................. -30°C ÷ 40°C
Maximum inverter temperature (at full power): .................................................... 75°C
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