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Magnetizer Magnetizer<High voltage capacitor type>

General-purpose analog control type / High voltage capacitor type magnetizer

SCB

Type L available
Control

Analog control

Strengths

Low-cost, general-purpose magnetizer with analog controller

  • High-output type is available. Low-impedance type magnetizer
  • Demagnetizer type is available.
  • Magnetizing/demagnetizing type is available.
Application

Micromotors, servo motors, stepping motors, spindle motors, VCMs, multi-pole motors for electrical components

Rated Value
  • Charge voltage: 1000 (V) to 6000 (V)...in 500 (V) increments
  • Capacitance: 200 (µF) to 5000 (µF)...in 200 (µF) increments
  • Maximum allowance current: 30 (kA)
Standard Specifications
Model SCB-1506 SCB-2510 SCB-2520 SCB-3530 SCB-4540
Maximum charge voltage (V) 1500 2500 3500 4500
Capacitance (µF) 600 1000 2000 3000 4000
Power input (V)*1 Single phase
AC200V, 15A		 Single phase
AC200V, 30A		 Single phase
AC200V, 50A		 Single phase
AC200V, 70A		 Single phase
AC200V, 70A
Maximum allowance current (kA) 20 30
Charging time (seconds)*2 3 4 6 8
Reference for external dimensions (mm)*3 600×640×1250 670×660×1250 750×800×1450 740×730×1650 1350×1300×1900
Reference for mass (Kg) 130 250 400 800 1000

*1 Options are available for customized specifications at local factory voltages.

*2 Charging time can be adjusted in line with production volumes.

*3 Dimensions: W x D x H. Can be modified to fit installation space (please contact us).

Type L Low-impedance high-output type
Strengths

This circuit configuration minimizes the current decay time by reducing the internal impedance of the magnetizer to the utmost limit and efficiently outputting the magnetizing current. When using general magnetizers to perform continuous magnetization, incomplete magnetization may occur due to a decrease in magnetizing current brought about by the damage to magnetizing yoke caused by its rising temperature leading to caused by a rise in winding resistance. The low impedance type (Type L) can suppress heat generation of the magnetizing yoke to less than 1/5 of the conventional type. An ultra-low impedance type (Type R) can also be produced with dedicated settings to match the operating load.

Rated Value

Can be set for SX, SR, SA, and SCB type magnetizers

  • Charge voltage: 1000 to 5000 (V)
  • Capacitance: 200 to 2000 (µF)
  • Maximum allowance current: 30 (kA)
  • Magnetizing current waveforms compared with conventional units (see figure on the right)
Application
  • In the situation when the durability of the magnetizing yoke is poor due to its generation of a large amount of heat at compact multi-pole magnetization with rare earths.
  • When high-precision magnetization controlled by a constant magnetizing current is required (constant-current SA type + L-type SA-L magnetizer).
  • For small-diameter multi-pole magnetization where the space between poles is narrow such as small motors, requiring large current by one or two winding
  • Magnetization of small diameter multi-pole PM-type stepping motors, spindle motors, small pickups, etc.
Discharge current waveform at load cable short circuit
Type LModel: SCB-L2510

Low-impedance high-output type

Charge voltage: max. 2500 (V)
Capacitance: 1000 (µF)
Maximum allowance current: 30 (kA)
Charging time: 4 sec.
Digital charge voltmeter
Digital peak hold ammeter
High output connector type magnetizing output

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