Single-phase thyristor regulator JB series

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The JB series is a compact and relatively inexpensive single-phase thyristor regulator (without feedback). Six models are available with rated current ranging from 20A to 100A, making them easy to use.

Compact, lightweight, and simple body with high performance

  • Compact, one-piece design requires little installation space and allows for easy wiring
  • Switching between phase control and frequency division control is possible
  • Six models available with rated current from 20A to 100A
  • Improved control with soft start, soft up/down, and soft start functions when recovering from momentary power interruption
  • Equipped with automatic frequency discrimination function, gradient setting function, and lower limit setting function as standard features

Other features

A wide range of accessories are available.

Specifications

Model list

Models Rated current
JB-2020 20A
JB-2030 30A
JB-2040 40A
JB-2050 50A
JB-2075 75A
JB-2100 100A

Specifications

Number of phases Single Phase
Rated current Six types: 20A, 30A, 40A, 50A, 75A, and 100A
Rated voltage 100V-120VAC, 200V-240VAC
100V and 200V systems are shared (terminal switching)
Power frequency 50/60Hz (automatic switching)
Input Signal 4 to 20mADC, 1 to 5VDC or on/off contact signal (switchable via terminal)
input resistance 100Ω (4~20mADC), 25kΩ (1~5VDC)
Output Range 0 to 98% of rated voltage
Minimum load current 0.5A (at 98% output)
Applied load resistance load
inductive load (transformer primary side control, magnetic flux density 1.25T or less, phase control method only)
control Method Phase control /frequency division control (switchable by internal DIP switch)
Output Setting Range Gradient setting (0 to 100%)
lower limit setting (0 to 100%)
Other features Soft start, soft up/down (variable from 1 to 20 seconds)
Soft start when recovering from momentary power failure
External dimensions H172×W48×D143mm (for 20A, 30A)
H188×W68×D148mm (for 40A, 50A)
H200×W116×D157mm (for 75A, 100A)
Weight 20A type: approx. 1.0kg, 30A type: approx. 1.0kg, 40A type: approx. 1.3kg,
50A type: approx. 1.3kg, 75A type: approx. 1.9kg, 100A type: approx. 1.9kg

Download Documents & Softwares

Catalog

Specification Sheet (PS Sheet)

  • JB Series Single Phase Thyristor Regulator
    ファイルサイズ1MB
    Document No.
    PV-31-6
    Downloads
  • English) JB series Thyristor Regulator
    ファイルサイズ1MB
    Document No.
    PSE-297A
    Downloads

CAD Data

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  • JB (20A, 30A)
    ファイルサイズ1MB
    Downloads
  • JB (40A, 50A)
    ファイルサイズ1MB
    Downloads
  • JB (75A, 100A)
    ファイルサイズ1MB
    Downloads

Instruction Manual

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*If you wish to download, please login as a member and click "Download."
  • Single-phase thyristor regulator JB series
    ファイルサイズ1MB
    Models
    JB
    Document No.
    JB-11-9
    Downloads
  • English)JB Thyristor Regulator
    ファイルサイズ1MB
    Models
    JB
    Document No.
    INE-297F
    Downloads

Softwares

Application Examples

Related Info

Movie

FAQ

If you have any problems with temperature control,
 please feel free to contact us.

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