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ABB ACS Series ACS550-01-125A-4

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ACS550-01-125A-4

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The ACS550-01-125A-4 from ABB is a variable frequency drive designed for versatile applications. It offers a voltage rating suitable for 3-phase systems, specifically operating within the range of 380 to 480 volts (with tolerances of +10% and -15%). Its power ratings allow for both normal and heavy-duty installations, capable of handling 100 HP (124 A) in standard conditions and 75 HP (96 A) under more demanding scenarios.

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Technical specifications for ACS550-01-125A-4

ManufacturerABB
Product TypeVariable Frequency Drive (VFD)
Product LineACS Series
Part NumberACS550-01-125A-4
Weight99.00 lbs (44.91 kg)
Voltage Rating3-phase, 380-480V (+10%/-15%)
Power Rating (Normal Duty)100 HP (124 A)
Power Rating (Heavy Duty)75 HP (96 A)
Frame SizeR5
Output Frequency Range0 - 500 Hz
Power Factor0.98
Overload Capacity (Normal Duty)110% of rated current for 1 min every 10 min
Overload Capacity (Heavy Duty)150% of rated current for 1 min every 10 min
Built-in EMC FilterCategory C2 (1st environment)
Switching Frequency Options1 kHz, 4 kHz, 8 kHz, 12 kHz
Ambient Temperature Range-15°C to 40°C (up to 50°C with derating)
Protection ClassUL Type 1 or Type 12 (NEMA 1 or NEMA 12)
Communication InterfaceRS-485 (Modbus RTU)
Digital and Analog I/O6 digital inputs, 2 analog inputs, 2 analog outputs, 3 relay outputs
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The ABB ACS550-01-125A-4 variable frequency drive (VFD) stands out with its impressive voltage capability, supporting 3-phase configurations from 380 to 480 volts, with variations permitted of +10% and -15%. This VFD not only provides a power output of 100 HP (124 A) for normal applications but can also effectively deliver up to 75 HP (96 A) under heavy-duty conditions.

The drive operates with an output frequency range extending from 0 up to 500 Hz, catering to demanding speed control requirements. It maintains a strong power factor of 0.98, enhancing energy efficiency during operation. Furthermore, the ACS550-01-125A-4 has robust overload capacities; it can tolerate 110% of rated current for 1 minute in every 10 minutes for normal usage while allowing 150% for heavy-duty tasks.

With a built-in EMC filter that meets Category C2 standards, this unit guarantees electromagnetic compliance suitable for various environments. This drive also offers flexibility in switching frequency options, allowing users to select between 1 kHz, 4 kHz, 8 kHz, or 12 kHz based on specific requirements. Its operating temperature capabilities range from -15°C to 40°C, with a potential expansion to 50°C subject to derating.

The ACS550-01-125A-4 is constructed with a protection class rating of either UL Type 1 or Type 12 (NEMA 1 or NEMA 12), making it suitable for diverse installation environments. Communication is seamless through the RS-485 interface supporting Modbus RTU, while the unit supports extensive I/O capabilities, including 6 digital inputs, 2 analog inputs, 2 analog outputs, and 3 relay outputs, thereby ensuring compatibility with a wide array of control systems.