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ACS550-01-125A-4
ACS550-01-180A-4
  1. ACS550-01-125A-4
  2. ACS550-01-180A-4

ABB ACS550-01-125A-4 Inverter Drive – 45kW/55kW, IP21

£2,663.35 inc VAT

In Stock · Delivered in 3–5 Working Days
Estimated UK delivery time, subject to order confirmation, courier services and destination. International delivery times vary.
Technical SpecificationsABB
Input Voltage 380–480 V AC (±10%)
Model ACS550-01-125A-4
Power Output 45 kW (60 HP) at High Overload / 55 kW (75 HP) Fan & Pump Duty
Phase 3-phase
Output Current (HO / ND) 87 A (High Overload) / 125 A (Normal Duty)
Series ACS550
Type Variable Frequency Drive (VFD)
Enclosure IP21
Control Type VxF and Sensorless Vector Control
Mounting Type Wall or cubicle-mounted
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ABB ACS550-01-125A-4 Inverter Drive – 45kW/55kW, IP21

The ABB ACS550-01-125A-4 inverter drive is a high-capacity, industrial-grade VFD designed for motors up to 55 kW. Delivering precise and efficient control, it is ideal for large-scale HVAC systems, pumping stations, conveyors, and heavy-duty automation environments.

Technical Specifications

Model ACS550-01-125A-4
Series ACS550
Type Variable Frequency Drive (VFD)
Power Output 45 kW (60 HP) at High Overload / 55 kW (75 HP) Fan & Pump Duty
Enclosure IP21
Mounting Wall or Cubicle Mount
Application Pumps, fans, HVAC, water treatment, material handling, and heavy process systems

Electrical Specifications

Input Voltage 380–480 V AC (±10%)
Phase 3-phase
Frequency Range 50–60 Hz (±5%)
Output Frequency 0–500 Hz
Output Current (HO / ND) 87 A (High Overload) / 125 A (Normal Duty)
Overload Capacity 150% for 60 s (HO) / 110% for 60 s (ND)
Control Type VxF and Sensorless Vector Control
Brake Chopper Not included (external braking unit optional)
Heat Dissipation Max 1.44 kW

I/O and Communication

Digital Inputs 6 programmable
Analog Inputs 2
Analog Outputs 2
Relay Outputs 3 contact sets
Keypad Assistant Control Panel (included)
RS-485 / Modbus RTU Built-in

Mechanical and Environmental

Mounting Type Wall or cubicle-mounted
Frame Size R5
Weight 34 kg
Dimensions 736 × 265 × 286 mm (H × W × D, incl. gland kit)
Cooling Internal fan (ventilation: 200 mm above/below, 0 mm sides)
Mounting Holes 4 × 6.5 mm slotted holes (238 mm × 588 mm centres)
Operating Temp Up to +40 °C ambient

Compliance and Certifications

EMC Compliance IEC EN61800-3:2004 (C3/C2)
Manufacturing Standards ISO 9001, ISO 14001
Standards & approvals CE CertifiedUL / cUL ListedRoHS Compliant

Replacement Information

The ABB ACS550 series has been replaced by the ABB ACS580 as of January 2018 ACS580 equivalents offer improved efficiency, diagnostics, and connectivity

Related Products & Helpful Links

Frequently Asked Questions

How can I check whether ACS550-01-125A-4 is the correct replacement?

Check the motor rating, supply voltage, drive output current, enclosure rating and control interface against your existing installation or the relevant manufacturer datasheet.

How quickly can ACS550-01-125A-4 be delivered?

This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.

Where can I check specifications and compatibility?

Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.

What warranty does Drive Outlet Megastore offer?

Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

Weight 34 kg

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ACS550-User-Manual.pdfABB-ACS550-01-Quick-Start-1.pdf

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Need the correct inverter drive for your application?

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