OEM Three-phase incoming and outgoing lines Reactor Factories, Factory
OEM Three-phase incoming and outgoing lines Reactor Factories, Factory
OEM Three-phase incoming and outgoing lines Reactor Factories, Factory
OEM Three-phase incoming and outgoing lines Reactor Factories, Factory
OEM Three-phase incoming and outgoing lines Reactor Factories, Factory
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OEM Three-phase incoming and outgoing lines Reactor Factories, Factory
OEM Three-phase incoming and outgoing lines Reactor Factories, Factory
OEM Three-phase incoming and outgoing lines Reactor Factories, Factory
OEM Three-phase incoming and outgoing lines Reactor Factories, Factory
OEM Three-phase incoming and outgoing lines Reactor Factories, Factory

OEM Three-phase incoming and outgoing lines Reactor Factories, Factory

Input/Output Reactors for VFDs: Designed for VFD and speed controller systems. Input reactors are installed to suppress inrush current/voltage, protecting the equipment and extending service life. Output reactors are used to filter harmonics and improve power quality. Made of high-quality imported silicon steel, our reactors feature a compact design, low temperature rise, and quiet operation. The reactors produced by our company are compatible with VFDs from domestic and foreign brands.

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Product Description

Type Designation

ACL Input Line Reactor
ACL Input Line Reactor
□ Rated Voltage Drop
□ Rated Current
□ Customer Number
OCL Output Line Reactor
OCL Output Line Reactor
□ Rated Voltage Drop
□ Rated Current
□ Customer Number

Product Features

1 Suppresses significant power interference (harmonics, overvoltage) affecting other equipment.
2 Balances line supply when phase-to-phase voltage unbalance exceeds 1.8% of rated voltage.
3 Provides impedance matching on extremely low-impedance lines (power transformer capacity > 10× VFD rated value).
4 Effectively reduces peak line current when multiple VFD systems are installed on a single circuit.
5 Optimizes circuits utilizing power factor (COSφ) correction capacitors or power factor conditioning units.

Product Display

Three Phase Incoming Reactor
Three Phase Incoming Line Reactor (ACL)
Three Phase Outgoing Reactor
Three Phase Outgoing Line Reactor (OCL)

Operating Conditions

1 Installation Altitude: ≤ 1000 meters above sea level.
2 Temperature & Humidity: Ambient operating temperature between -25℃ and +45℃; relative humidity ≤ 90%.
3 Environment: Free from toxic/harmful gases, flammable substances, and explosive materials.
4 Ventilation Requirements: Adequate ventilation is mandatory; forced air cooling must be installed when mounted in enclosed control cabinets.

Technical Performance Parameters

Rated Operating Voltage 380V / 440V, 50Hz
Rated Operating Current 5A to 1600A @ 40℃
Dielectric Strength Core-winding: 3000VAC / 50Hz / 5mA / 10s without flashover breakdown (factory standard test)
Insulation Resistance ≥ 100MΩ at 1000VDC
Reactor Noise Level < 65dB (measured horizontally at a 1-meter distance)
Protection Class IP00
Insulation Class Class F or above
Compliance Standards IEC289:1987 (Reactors), GB10229-88 (Reactors, eqv IEC289:1987), JB9644-1999 (Semiconductor Motor Drives - Reactors)

External Dimensions and Installation Dimensions

Three-phase incoming and outgoing lines Wiring mode
Wiring Mode & Mounting Layout Diagram

Frequently Asked Questions

What is the functional difference between an ACL and an OCL reactor?
An ACL (Input Line Reactor) is installed between the AC power supply and the variable frequency drive (VFD) to suppress surge voltages and harmonic feedback into the grid. An OCL (Output Line Reactor) is placed between the VFD and the electric motor to attenuate high-frequency dv/dt, smooth voltage spikes, and safeguard motor insulation across long cable runs.
When is installing an input line reactor (ACL) mandatory?
An input line reactor is strongly recommended when the power supply network experiences voltage unbalance exceeding 1.8%, when the upstream transformer capacity exceeds 10 times the VFD capacity, or when power factor correction capacitors are directly attached to the same power branch.
What is the operating noise limit of these line reactors?
These units are engineered to maintain a low operational acoustic profile below 65 decibels (dB), measured horizontally at a distance of 1 meter under standard operating loads.
Can these reactors be operated inside compact electrical switch cabinets?
Yes. However, because they are rated IP00 open-type components and generate natural thermal loss during line filtering, the cabinet must be configured with auxiliary forced-air cooling or ventilation fans to maintain the ambient operating temperature between -25℃ and +45℃.
Which industrial standards do these reactors comply with?
The equipment conforms strictly to IEC289:1987, GB10229-88 (equivalent to IEC289), and JB9644-1999 standards for semiconductor electric motor drive reactors, ensuring superior dielectric strength and sustained insulation resistance.

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