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Three-phase power regulator (thyristor unit SCR) THW-A-THW-A1PZ020-4*NNN-1
Three-phase power regulator (thyristor unit SCR) THW-A-RKC INSTRUMENT

Three-phase power regulator (thyristor unit SCR) THW-A
RKC INSTRUMENT

RKC INSTRUMENT's Response Status

Response Rate

100.0%

Response Time

14.3hours

Relatively Fast Response


About This Product

■What is a power regulator (thyristor unit SCR)?

This is a device that inputs analog signals such as 4 to 20 mA and continuously and finely adjusts the power supply to the heater. You can choose between the phase control method that controls the power waveform and the low-noise zero-cross control method that controls the power cycle. With the phase control method, by using the soft start function, it is possible to control the primary side of heaters and transformers with large inrush currents.

■Excellent responsiveness and reproducibility with digital control

- Digitally controlled operation device equipped with a display and setting keys on the front. ・With a 1 second setting for soft up (soft start)/soft down, the response is quick and can handle high-speed temperature rises.

■Available for heaters with special characteristics

Constant voltage control, constant current control, and constant power control are possible, so it can be used with heaters whose resistance value changes greatly depending on temperature changes, such as noble metals (platinum/molybdenum), superkanthal, and silicon carbide.

■Equipped with a wide range of functions as standard

Abundant functions such as external contact input, soft up (soft start)/soft down, manual/automatic switching, slope setting, output limiter, output bias, input-phase angle proportional/input-voltage proportional/input-power phase angle proportional switching is equipped as standard. *Other product numbers are available.

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    Three-phase power regulator (thyristor unit SCR) THW-A

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10 Models of Three-phase power regulator (thyristor unit SCR) THW-A

Click on the part number for more information about each product

Image Part Number Price (excluding tax) Power supply voltage Power frequency Applicable load phase control Applicable load Zero cross control Fast-acting fuse Output limiter time at startup Output limiter at startup (upper limit) Mass Permissible frequency variation Permissible ambient humidity Permissible ambient temperature Insulation voltage Insulation resistance Absolute humidity Power consumption Minimum load current Manual configuration Rated current Installation method Gradient setting Control method Output voltage range Output limiter (lower limit) Output limiter (upper limit) Output mode Cooling method Input signal Base up setting (output bias) Optional features Accessories
Three-phase power regulator (thyristor unit SCR) THW-A-Part Number-THW-A1PZ020-4*NNN-1

THW-A1PZ020-4*NNN-1

Available upon quote

AC200~240V

50/60Hz shared (automatic detection)

Linearity (R: resistance) Load, transformer primary side control (magnetic flux density: approx. 8,000 Gauss or less)

Linearity (R: resistance) Load

No fast-acting fuse

0.0~600.0 seconds (front key)

0.0~100.0% (front key)

Approximately 5.8kg

50Hz±1Hz,60Hz±1Hz (performance guaranteed)
45~54.9Hz (50Hz) ,55~64.9Hz (60Hz) (operation guaranteed)

5~95%RH (no condensation)

Performance guarantee range: 0~+40℃
Guaranteed operation range: -15~+55℃

Between main circuit terminal, power supply terminal and heatsink: AC2,000V, 1 minute

Between main circuit terminal, power supply terminal and heatsink: 20MΩ or more, DC500V

MAX.W.C 29.3g/m3 dry air at 101.3kPa

17 VA or less

1A

0.0~100.0% [Front keys, external setting device (volume)]

AC20A

Vertical mounting

0.0~100.0% [Front keys, external setting device (volume)]

Phase control/zero cross control method (switchable) Factory setting: Phase control

0~98% of rated voltage

0.0~100.0% (front key)

0.0~100.0% (front key)

Standard (phase angle proportional, voltage proportional, voltage squared)

Natural cooling

DC0~5V

0.0~100.0% (front key)

No optional features

1 setting device (volume, knob, scale plate) + input/output connector (plug side) included

Three-phase power regulator (thyristor unit SCR) THW-A-Part Number-THW-A1PZ020-4*NNN-2

THW-A1PZ020-4*NNN-2

Available upon quote

AC200~240V

50/60Hz shared (automatic detection)

Linearity (R: resistance) Load, transformer primary side control (magnetic flux density: approx. 8,000 Gauss or less)

Linearity (R: resistance) Load

No fast-acting fuse

0.0~600.0 seconds (front key)

0.0~100.0% (front key)

Approximately 5.8kg

50Hz±1Hz,60Hz±1Hz (performance guaranteed)
45~54.9Hz (50Hz) ,55~64.9Hz (60Hz) (operation guaranteed)

5~95%RH (no condensation)

Performance guarantee range: 0~+40℃
Guaranteed operation range: -15~+55℃

Between main circuit terminal, power supply terminal and heatsink: AC2,000V, 1 minute

Between main circuit terminal, power supply terminal and heatsink: 20MΩ or more, DC500V

MAX.W.C 29.3g/m3 dry air at 101.3kPa

17 VA or less

1A

0.0~100.0% [Front keys, external setting device (volume)]

AC20A

Vertical mounting

0.0~100.0% [Front keys, external setting device (volume)]

Phase control/zero cross control method (switchable) Factory setting: Phase control

0~98% of rated voltage

0.0~100.0% (front key)

0.0~100.0% (front key)

Standard (phase angle proportional, voltage proportional, voltage squared)

Natural cooling

DC0~5V

0.0~100.0% (front key)

No optional features

2 setting devices (volume, knob, scale plate) + input/output connector (plug side) included

Three-phase power regulator (thyristor unit SCR) THW-A-Part Number-THW-A1PZ020-4*NNN-9

THW-A1PZ020-4*NNN-9

Available upon quote

AC200~240V

50/60Hz shared (automatic detection)

Linearity (R: resistance) Load, transformer primary side control (magnetic flux density: approx. 8,000 Gauss or less)

Linearity (R: resistance) Load

No fast-acting fuse

0.0~600.0 seconds (front key)

0.0~100.0% (front key)

Approximately 5.8kg

50Hz±1Hz,60Hz±1Hz (performance guaranteed)
45~54.9Hz (50Hz) ,55~64.9Hz (60Hz) (operation guaranteed)

5~95%RH (no condensation)

Performance guarantee range: 0~+40℃
Guaranteed operation range: -15~+55℃

Between main circuit terminal, power supply terminal and heatsink: AC2,000V, 1 minute

Between main circuit terminal, power supply terminal and heatsink: 20MΩ or more, DC500V

MAX.W.C 29.3g/m3 dry air at 101.3kPa

17 VA or less

1A

0.0~100.0% [Front keys, external setting device (volume)]

AC20A

Vertical mounting

0.0~100.0% [Front keys, external setting device (volume)]

Phase control/zero cross control method (switchable) Factory setting: Phase control

0~98% of rated voltage

0.0~100.0% (front key)

0.0~100.0% (front key)

Standard (phase angle proportional, voltage proportional, voltage squared)

Natural cooling

DC0~5V

0.0~100.0% (front key)

No optional features

Input/output connector (plug side) included

Three-phase power regulator (thyristor unit SCR) THW-A-Part Number-THW-A1PZ020-4*NFN-1

THW-A1PZ020-4*NFN-1

Available upon quote

AC200~240V

50/60Hz shared (automatic detection)

Linearity (R: resistance) Load, transformer primary side control (magnetic flux density: approx. 8,000 Gauss or less)

Linearity (R: resistance) Load

Built-in fast-acting fuse (fuse burnout alarm output not possible)

0.0~600.0 seconds (front key)

0.0~100.0% (front key)

Approximately 5.8kg

50Hz±1Hz,60Hz±1Hz (performance guaranteed)
45~54.9Hz (50Hz) ,55~64.9Hz (60Hz) (operation guaranteed)

5~95%RH (no condensation)

Performance guarantee range: 0~+40℃
Guaranteed operation range: -15~+55℃

Between main circuit terminal, power supply terminal and heatsink: AC2,000V, 1 minute

Between main circuit terminal, power supply terminal and heatsink: 20MΩ or more, DC500V

MAX.W.C 29.3g/m3 dry air at 101.3kPa

17 VA or less

1A

0.0~100.0% [Front keys, external setting device (volume)]

AC20A

Vertical mounting

0.0~100.0% [Front keys, external setting device (volume)]

Phase control/zero cross control method (switchable) Factory setting: Phase control

0~98% of rated voltage

0.0~100.0% (front key)

0.0~100.0% (front key)

Standard (phase angle proportional, voltage proportional, voltage squared)

Natural cooling

DC0~5V

0.0~100.0% (front key)

No optional features

1 setting device (volume, knob, scale plate) + input/output connector (plug side) included

Three-phase power regulator (thyristor unit SCR) THW-A-Part Number-THW-A1PZ020-4*NFN-2

THW-A1PZ020-4*NFN-2

Available upon quote

AC200~240V

50/60Hz shared (automatic detection)

Linearity (R: resistance) Load, transformer primary side control (magnetic flux density: approx. 8,000 Gauss or less)

Linearity (R: resistance) Load

Built-in fast-acting fuse (fuse burnout alarm output not possible)

0.0~600.0 seconds (front key)

0.0~100.0% (front key)

Approximately 5.8kg

50Hz±1Hz,60Hz±1Hz (performance guaranteed)
45~54.9Hz (50Hz) ,55~64.9Hz (60Hz) (operation guaranteed)

5~95%RH (no condensation)

Performance guarantee range: 0~+40℃
Guaranteed operation range: -15~+55℃

Between main circuit terminal, power supply terminal and heatsink: AC2,000V, 1 minute

Between main circuit terminal, power supply terminal and heatsink: 20MΩ or more, DC500V

MAX.W.C 29.3g/m3 dry air at 101.3kPa

17 VA or less

1A

0.0~100.0% [Front keys, external setting device (volume)]

AC20A

Vertical mounting

0.0~100.0% [Front keys, external setting device (volume)]

Phase control/zero cross control method (switchable) Factory setting: Phase control

0~98% of rated voltage

0.0~100.0% (front key)

0.0~100.0% (front key)

Standard (phase angle proportional, voltage proportional, voltage squared)

Natural cooling

DC0~5V

0.0~100.0% (front key)

No optional features

2 setting devices (volume, knob, scale plate) + input/output connector (plug side) included

Three-phase power regulator (thyristor unit SCR) THW-A-Part Number-THW-A1PZ020-4*NFN-9

THW-A1PZ020-4*NFN-9

Available upon quote

AC200~240V

50/60Hz shared (automatic detection)

Linearity (R: resistance) Load, transformer primary side control (magnetic flux density: approx. 8,000 Gauss or less)

Linearity (R: resistance) Load

Built-in fast-acting fuse (fuse burnout alarm output not possible)

0.0~600.0 seconds (front key)

0.0~100.0% (front key)

Approximately 5.8kg

50Hz±1Hz,60Hz±1Hz (performance guaranteed)
45~54.9Hz (50Hz) ,55~64.9Hz (60Hz) (operation guaranteed)

5~95%RH (no condensation)

Performance guarantee range: 0~+40℃
Guaranteed operation range: -15~+55℃

Between main circuit terminal, power supply terminal and heatsink: AC2,000V, 1 minute

Between main circuit terminal, power supply terminal and heatsink: 20MΩ or more, DC500V

MAX.W.C 29.3g/m3 dry air at 101.3kPa

17 VA or less

1A

0.0~100.0% [Front keys, external setting device (volume)]

AC20A

Vertical mounting

0.0~100.0% [Front keys, external setting device (volume)]

Phase control/zero cross control method (switchable) Factory setting: Phase control

0~98% of rated voltage

0.0~100.0% (front key)

0.0~100.0% (front key)

Standard (phase angle proportional, voltage proportional, voltage squared)

Natural cooling

DC0~5V

0.0~100.0% (front key)

No optional features

Input/output connector (plug side) included

Three-phase power regulator (thyristor unit SCR) THW-A-Part Number-THW-A1PZ020-4*NSN-1

THW-A1PZ020-4*NSN-1

Available upon quote

AC200~240V

50/60Hz shared (automatic detection)

Linearity (R: resistance) Load, transformer primary side control (magnetic flux density: approx. 8,000 Gauss or less)

Linearity (R: resistance) Load

Built-in quick-acting fuse with micro switch for alarm output

0.0~600.0 seconds (front key)

0.0~100.0% (front key)

Approximately 5.8kg

50Hz±1Hz,60Hz±1Hz (performance guaranteed)
45~54.9Hz (50Hz) ,55~64.9Hz (60Hz) (operation guaranteed)

5~95%RH (no condensation)

Performance guarantee range: 0~+40℃
Guaranteed operation range: -15~+55℃

Between main circuit terminal, power supply terminal and heatsink: AC2,000V, 1 minute

Between main circuit terminal, power supply terminal and heatsink: 20MΩ or more, DC500V

MAX.W.C 29.3g/m3 dry air at 101.3kPa

17 VA or less

1A

0.0~100.0% [Front keys, external setting device (volume)]

AC20A

Vertical mounting

0.0~100.0% [Front keys, external setting device (volume)]

Phase control/zero cross control method (switchable) Factory setting: Phase control

0~98% of rated voltage

0.0~100.0% (front key)

0.0~100.0% (front key)

Standard (phase angle proportional, voltage proportional, voltage squared)

Natural cooling

DC0~5V

0.0~100.0% (front key)

No optional features

1 setting device (volume, knob, scale plate) + input/output connector (plug side) included

Three-phase power regulator (thyristor unit SCR) THW-A-Part Number-THW-A1PZ020-4*NSN-2

THW-A1PZ020-4*NSN-2

Available upon quote

AC200~240V

50/60Hz shared (automatic detection)

Linearity (R: resistance) Load, transformer primary side control (magnetic flux density: approx. 8,000 Gauss or less)

Linearity (R: resistance) Load

Built-in quick-acting fuse with micro switch for alarm output

0.0~600.0 seconds (front key)

0.0~100.0% (front key)

Approximately 5.8kg

50Hz±1Hz,60Hz±1Hz (performance guaranteed)
45~54.9Hz (50Hz) ,55~64.9Hz (60Hz) (operation guaranteed)

5~95%RH (no condensation)

Performance guarantee range: 0~+40℃
Guaranteed operation range: -15~+55℃

Between main circuit terminal, power supply terminal and heatsink: AC2,000V, 1 minute

Between main circuit terminal, power supply terminal and heatsink: 20MΩ or more, DC500V

MAX.W.C 29.3g/m3 dry air at 101.3kPa

17 VA or less

1A

0.0~100.0% [Front keys, external setting device (volume)]

AC20A

Vertical mounting

0.0~100.0% [Front keys, external setting device (volume)]

Phase control/zero cross control method (switchable) Factory setting: Phase control

0~98% of rated voltage

0.0~100.0% (front key)

0.0~100.0% (front key)

Standard (phase angle proportional, voltage proportional, voltage squared)

Natural cooling

DC0~5V

0.0~100.0% (front key)

No optional features

2 setting devices (volume, knob, scale plate) + input/output connector (plug side) included

Three-phase power regulator (thyristor unit SCR) THW-A-Part Number-THW-A1PZ020-4*NSN-9

THW-A1PZ020-4*NSN-9

Available upon quote

AC200~240V

50/60Hz shared (automatic detection)

Linearity (R: resistance) Load, transformer primary side control (magnetic flux density: approx. 8,000 Gauss or less)

Linearity (R: resistance) Load

Built-in quick-acting fuse with micro switch for alarm output

0.0~600.0 seconds (front key)

0.0~100.0% (front key)

Approximately 5.8kg

50Hz±1Hz,60Hz±1Hz (performance guaranteed)
45~54.9Hz (50Hz) ,55~64.9Hz (60Hz) (operation guaranteed)

5~95%RH (no condensation)

Performance guarantee range: 0~+40℃
Guaranteed operation range: -15~+55℃

Between main circuit terminal, power supply terminal and heatsink: AC2,000V, 1 minute

Between main circuit terminal, power supply terminal and heatsink: 20MΩ or more, DC500V

MAX.W.C 29.3g/m3 dry air at 101.3kPa

17 VA or less

1A

0.0~100.0% [Front keys, external setting device (volume)]

AC20A

Vertical mounting

0.0~100.0% [Front keys, external setting device (volume)]

Phase control/zero cross control method (switchable) Factory setting: Phase control

0~98% of rated voltage

0.0~100.0% (front key)

0.0~100.0% (front key)

Standard (phase angle proportional, voltage proportional, voltage squared)

Natural cooling

DC0~5V

0.0~100.0% (front key)

No optional features

Input/output connector (plug side) included

Three-phase power regulator (thyristor unit SCR) THW-A-Part Number-THW-A1PZ020-4*6NN-1

THW-A1PZ020-4*6NN-1

Available upon quote

AC200~240V

50/60Hz shared (automatic detection)

Linearity (R: resistance) Load, transformer primary side control (magnetic flux density: approx. 8,000 Gauss or less)

Linearity (R: resistance) Load

No fast-acting fuse

0.0~600.0 seconds (front key)

0.0~100.0% (front key)

Approximately 5.8kg

50Hz±1Hz,60Hz±1Hz (performance guaranteed)
45~54.9Hz (50Hz) ,55~64.9Hz (60Hz) (operation guaranteed)

5~95%RH (no condensation)

Performance guarantee range: 0~+40℃
Guaranteed operation range: -15~+55℃

Between main circuit terminal, power supply terminal and heatsink: AC2,000V, 1 minute

Between main circuit terminal, power supply terminal and heatsink: 20MΩ or more, DC500V

MAX.W.C 29.3g/m3 dry air at 101.3kPa

17 VA or less

1A

0.0~100.0% [Front keys, external setting device (volume)]

AC20A

Vertical mounting

0.0~100.0% [Front keys, external setting device (volume)]

Phase control/zero cross control method (switchable) Factory setting: Phase control

0~98% of rated voltage

0.0~100.0% (front key)

0.0~100.0% (front key)

Standard + constant voltage control (no heater burnout alarm)

Natural cooling

DC0~5V

0.0~100.0% (front key)

No optional features

1 setting device (volume, knob, scale plate) + input/output connector (plug side) included

Click on the part number for more information about each product

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About Company Handling This Product

Response Rate

100.0%


Response Time

14.3hrs

Company Overview

RKC Instrument has been continually growing for over half a century and strives to be a solution provider of m...

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