125 hp Single Phase DC Reactor, 250A

SKU: PH-DCR-125

$578.46

● DC reactor for sale, capacity 90 kW (125 hp), inductance 0.125mH ● IP00 protection rating, F.H insulation class, voltage range 200V-1200V ● Rated current 250A, single-phase structure, low-loss cold-rolled silicon steel sheet ● Reduces DC bus ripple, limits inrush current, applicable to inverters and rectifiers

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Overview
Specs
Application
FAQ
Reviews

Overview

Single-phase DC link choke, capacity 90 kW (125 hp), F.H insulation class, applicable to VFDs, inverters, rectifiers, and DC power systems. The DC smoothing reactor uses cold-rolled silicon steel sheets to reduce losses, is compact, and has a low-noise design. Used in DC circuits to limit current, reduce DC ripple, and improve power factor to extend equipment life.

Feature

Prevents inverter commutation failure.
Reduces ripple factor.
Reduces voltage and current harmonics in DC lines.
Limits current in rectifiers during line short circuits.

Details

Cold rolled silicon steel sheet
Iron core wire cover
Tinned copper terminal

125 hp DC Reactor Size

Size

Specs

Model	DCL-150
Phase	1 Phase
Power Adapter	55 kW (75 hp)
Recommended VFD Model	GK3000-4T0550G (75 hp 3 phase VFD)
VFD Voltage Adapter	220V-1200V (Contact us for other voltages)
Rated Current	150A
Inductance	0.21mH
Insulation Grade	F.H
Dimension	165165185mm (LWH)
Mounting Dimension	120*90mm
Electric Strength	Iron core-winding 3000VAC/50Hz/10mA/60s no arcing no breakdown
Insulation Resistance	iron core-winding 1000VDC, insulation resistance ≥100MV
Noise of Reactor	Less than 35dB (measured from 1 meter away in horizon from reactor)
Degree of Protection	IP00
Degree of Insulation	> Class F
Weight	17kg

Application

Power Grid

Transportation

Industrial Equipment

Commerce

FAQ

Q1: How to select the rated current of a DC reactor?

When selecting the rated current, the DC bus current of the frequency converter should be used as the reference: the rated current of the reactor must be greater than or equal to the DC input current of the frequency converter (usually selected based on the rated input current of the frequency converter or a margin of 1.1 to 1.3 times). This can prevent the DC link choke from overheating or saturating during long-term operation, ensuring stable and reliable system operation.

Q2: How does a DC reactor reduce ripple current?

A DC choke for vfd reduces ripple current through its inductive characteristics. When current fluctuations occur in the DC circuit, the DC reactor impedes the current change (i.e., "prevents sudden current changes"), converting the rapidly changing pulsating current into a relatively smooth current, thereby reducing the ripple amplitude.

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