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SCR Power Controllers for Electrical Heaters Control

SCR19 and SCR39 Series

SCR Power Controllers for Electrical Heaters Control | Omega Enginering | SCR19 and SCR39 Series

MXN9,090.00 SCR19Z-24-040

2 años de garantía
  • SCR19 SCR Power Controllers Extend Heater Life Reducing Thermal Shocks
  • Zero Crossing or Phase Angle Fired
  • Single or Three Phase Load Switching
  • No Maintenance All Solid State Components
  • Close Control of Low Mass Heaters
  • Phase Angle with Soft Start for High Inrush Heaters
  • No Relay Noise Contact Arc Noise Eliminated
  • Semiconductor I2T Fusing
  • Optically Isolated Control Signal Input
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Descripción

The SCR19 Series SCR Power Controllers are designed to proportion electric power to resistive loads only, such as ovens, furnaces, heat sealers, etc. (NOTE: They are not designed to drive transformers or any inductive load.)

These heater controllers consist of power semi-conductors (SCRs), properly-sized heat sinks, trigger circuitry, and fuses supplied on panels for surface mounting. The SCR power controller accepts a 4 to 20 mA dc output from a temperature controller or can be supplied with manual option using a remote potentiometer.

The SCR19 Series controllers offers two methods of proportional control – Zero-voltage-switched and Phase-angled-fired. With the Zero-voltage-switching mode, the controller switches on complete cycles of the ac supply voltage. The trigger circuit is designed to turn on the SCRs as close as possible to the point where the AC sine wave crosses through zero. In effect, the line voltage is turned on and off and applied to the heaters in whole cycles.

With an input of 4 to 20 mA, the output of the heter controller will be off below 4 mA and full on at 20 mA. Proportioning action is obtained by varying the number of cycles on to the number of cycles off. The output will vary from one cycle on and nine cycles off at low input, to all cycles on at maximum input.

The output of the SCR19 SCR power controllers is integrated by the heaters which produce a smoothly proportioning heat output that varies directly with the input signal. With the Phase-angle-fired mode, the power to the load is controlled by governing the point of turn on (firing) of each half cycle of the full AC sine wave.
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Haga clic para abrir la lista de productos que otras personas han comprado al adquirir este modeloSCR19Z-12-040
SCR19Z-12-040
MXN9,230.00
Disponible en: Disponible
 
SCR power controller, Zero-Voltage-Switching, 120V, 40A
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SCR19Z-24-040
MXN9,090.00
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SCR power controller, Zero-Voltage-Switching, 240V, 40A
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MXN9,510.00
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SCR power controller, Zero-Voltage-Switching, 480V, 40A
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SCR19Z-24-060
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SCR power controller, Zero-Voltage-Switching, 240V, 60A
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SCR power controller, 3-phase, Zero-Voltage-Switching, 240V, 60A
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SCR power controller, 3-phase, Zero-Voltage-Switching, 480V, 60A
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SCR19P-24-040-S15
MXN11,050.00
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SCR power controller, Phase-Angle-Switching, 240V, 40A, 15 sec soft start circuit
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SCR19P-24-080-S9
MXN11,745.00
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SCR power controller, Phase-Angle-Switching, 240V, 80A, 9 sec soft start circuit
Accessories
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Haga clic para abrir la lista de productos que otras personas han comprado al adquirir este modeloSCR-210A015U01
SCR-210A015U01
MXN1,945.00
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Replacement Fuse, 40 A
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SCR-210A012U01
MXN2,560.00
Disponible en: Disponible
 
Replacement Fuse, 60 A
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SCR-210A014U01
MXN2,375.00
Disponible en: 4 Semanas
 
Replacement Fuse, 80 A
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SCR19Z-M
MXN2,965.00
Disponible en: 4 Semanas
 
Manual remote pot for 120V SCR19/39 models
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SCR19Z-M-220
MXN2,965.00
Disponible en: 3 Semanas
 
Manual remote pot for 240V SCR19/39 models
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SCR19Z-M-480
MXN2,965.00
Disponible en: Disponible
 
Manual remote pot for 480V SCR19/39 models

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Nota: Comes with complete operator’s manual
Ejemplo de pedido: (1) SCR19Z-24-040 SCR, Zero-Voltage-Switching, 240V, 40A, MXN9,090.00

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Opciónes de Descripción:


(1) Single or 3 Phase seleccionar de:
1 para Single Phase
3 para 3 Phase

(2) Method seleccionar de:
Z para Zero-Voltage Switching
P para Phase-Angle Firing

(3) Voltage seleccionar de:
-02 para 24 Vac for single phase only
-12 para 120 Vac for single phase only
-20 para 208 Vac for phase angle firing
-24 para 240 Vac
-48 para 480 Vac

(4) Current seleccionar de:
-040 para 40 Amps
-060 para 60 Amps
-080 para 80 Amps

(5) Phase-Angle Firing Items seleccionar de:
para Zero-Voltage Switching leave field blank
-S9 para the STANDARD Soft start 9 seconds
-S15 para Soft start 15 seconds
-S30 para Soft start 30 seconds
-S60 para Soft start 60 seconds
-S120 para Soft start 120 seconds
-V para Voltage limit
Nota: Todas las combinaciones pueden no ser válidas, revise la hoja de especificaciones para números de parte válidos