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Rectangular voltage regulator module with screw terminals and metal heatsink fins

Ruth's sister

Ruth's sister 2000W SCR Voltage Regulator AC 220V internal power cable

SKU CH-SFWQ-QTR56

A 2000W SCR voltage regulator for AC 220V motor speed, temperature and dimming control

  • 2000 W capacity handles high-power motors and heaters
  • AC 220 V input matches standard mains supply
  • SCR control enables smooth speed regulation
  • Supports temperature regulation and dimming functions

AC 220V SCR voltage regulator

The Ruth's sister 2000W SCR unit regulates voltage for AC 220V loads up to 2000W. It supports motor voltage control, temperature regulation, speed regulation and dimming functions. Designed as an internal power cable component for integration into compatible systems.

Thermals, noise and power draw

The SCR regulator dissipates heat in proportion to the load being controlled. No active cooling is included so airflow in the enclosure must handle the thermal load. Operation is silent with no moving parts. Power draw is determined by the connected device up to the 2000W rating.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 80% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How is the 2000W SCR regulator wired into a 220V AC circuit, and which terminal mistake causes erratic output?

Connect the supply to the input terminals and the load to the output terminals; reversing them feeds the SCR gate from the load side and makes voltage control unstable.

What part of the 2000W SCR regulator will need replacement first, and how can I tell?

The internal SCR chip degrades with heat cycles; if the motor speed or lamp brightness drifts at a fixed knob position, the SCR is failing and the module must be swapped.

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