ABB ACS550-01-157A-4 3ABD64726820 Frequency Converter

Release time	Aug 10, 2026
Brand	ABB PLC
Product Numbe	ACS550-01-157A-4
Country Of Origin	Sweden (SE)
Dimensions	955 x 350 x 420 mm
Weight	78 kg
Condition	New & In Stock
Payment Methods	T/T, PayPal, Western Union
Lead Time	1-3 Working Days
Warranty	One Year
Courier partners	DHL, UPS, TNT, FedEx and EMS.

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Overview

The ABB ACS550-01-157A-4 is a high-power general-purpose frequency converter designed for advanced AC motor control in industrial automation, heavy machinery, pumps, fans, and process applications. It provides reliable motor speed regulation, energy-efficient operation, and comprehensive protection features for demanding industrial environments.

The ACS550 series delivers stable performance, flexible configuration, and convenient commissioning for large-scale motor drive systems.

General Information

Part Number: ACS550-01-157A-4 3ABD64726820

Manufacturer: ABB

Brand / Country of Origin: ABB / Finland

Series: ACS550 General Purpose Drive

Type: Frequency Converter / Variable Frequency Drive (VFD)

Application: Industrial motor control, pumps, fans, conveyors, and heavy-duty process equipment

Installation: Cabinet or wall-mounted installation

Control Technology: Sensorless vector control and scalar motor control

Power Specifications

Input Voltage: 380–480 V AC, three-phase

Rated Power: Approx. 75 kW

Rated Current: 157 A

Input Frequency: 50/60 Hz

Output Frequency: 0–500 Hz adjustable

Motor Control: Supports accurate speed and torque regulation for induction motors

Protection Functions: Overcurrent, overload, overvoltage, undervoltage, short circuit, and motor protection

Communication & Interface

Control Interface: Digital and analog control terminals

Communication Support: Optional fieldbus communication modules for industrial network integration

Input Signals: Configurable digital inputs and analog inputs

Output Signals: Relay outputs and analog monitoring outputs

Operator Interface: Control panel for parameter configuration, monitoring, and diagnostics

Diagnostics: Fault detection, alarm indication, and operating status feedback

Environmental

Operating Temperature: −15 to +50 °C

Storage Temperature: −40 to +70 °C

Humidity: Up to 95% RH, non-condensing

Protection Rating: IP21 standard enclosure

Installation Environment: Suitable for industrial cabinet environments

Cooling Method: Forced air cooling system

Dimensions & Weight

Dimensions (L × W × H): 955 × 350 × 420 mm

Weight: 78 kg

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QDo you provide technical support or installation services?

A Yes, we offertechnical supportfor installation, configuration, and troubleshooting.

QCan I return products if they don’t meet my requirements?

A Returns are accepted within30 daysif the product is unused, unopened, and in its original packaging. Return shipping costs are the buyer's responsibility.

QHow can I ensure compatibility with my existing systems?

A If unsure, please provide yoursystem details, and our support team will verify compatibility before purchase.

QAre there discounts for new wholesale customers?

A We occasionally offerpromotional discountsfor new wholesale customers. Contact us for current offers.

QCan I purchase different quantities of a product?

A Yes, we offerflexible ordering options, whether you need a single unit or a large batch.

QWhat payment methods do you accept for wholesale orders?

A We accept various methods, includingbank transfers (T/T), letters of credit (L/C), and more upon agreement.

QCan I get discounts for bulk purchases?

A Yes, we offercompetitive pricingfor bulk purchases. Contact our sales team for a custom quote.

QWhat is the minimum order quantity (MOQ)?

A The MOQ is usuallyone unit. For bulk orders, please contact us for discounts and pricing details.

QHow long does shipping take?

A Shipping times vary by location. With our16 global warehouses, we strive for fast delivery. Contact us for an estimated delivery time.

QHow can I verify the product before purchasing?

A We can provide high-resolution product images upon request, and our team can arrange warehouse photos for verification.

QDoes this product come with a warranty?

A Yes, we provide a1-year warrantyand support returns and exchanges to protect your rights.

Company Information
E-mail		[email protected]
Mobile		+8613620394314
Whatsapp		+8613620394314
WeChat		+8613620394314
Add		Room 1102, Jiuzhou Commercial Building, Siming District, Xiamen, China

Warranty Conditions

At Qunlebu Co., Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.

🛡️Coverage Details:

This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.

📝Claim Process:

To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.

🚚Shipping Assistance:

We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.

🚫Exclusions:

Unauthorized modifications, repairs, or misuse of the product.

Normal wear and tear.

Negligence.

Extreme environmental conditions beyond product specifications.

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