Product DescriptionHigh-power SCR (triac) AC voltage regulator designed for smooth, stepless control of voltage, heating temperature, lamp brightness, and motor speed. Built with an FR-4 high-temperature PCB, imported thyristor chip, and full aluminum heat-dissipation fins for stable performance. Features an independent power switch for safer operation and quick power cut-off. Ideal for DIY and industrial applications where reliable AC 220V to 0–220V adjustment is needed.Key Features Stepless AC control: Adjust output from 0–220V AC to fine-tune speed/heat/light without frequent on-off cycling. 4000W max (resistive load): Suitable for high-power resistive devices; for inductive loads, recommended capacity is about 1/3 of resistive. Efficient cooling & durable build: Aluminum housing with conductive aluminum fins supports heat dissipation for steadier operation. Upgraded electronics: FR-4 heat-resistant circuit board, precision high-voltage resistors, and high-voltage capacitors for stable regulation. Protection & stability: Peak voltage absorption circuit and multiple protections help safeguard the SCR during operation. Practical installation: Compact body with mounting holes; portable for workshop benches, equipment panels, and DIY test setups. Specifications Product Type SCR (Triac) AC Voltage Regulator Model NHT-4000W Input Voltage AC 220V Output Voltage AC 0–220V (adjustable) Maximum Power 4000W (resistive load) Rated Current 9A Maximum Current 18A Material Aluminum Color Black Main Unit Size 115 x 100 x 83 mm (4.53 x 3.94 x 3.27 in) Item Weight 459 g (1.01 lb) Package Size 180 x 100 x 115 mm (7.09 x 3.94 x 4.53 in) Package Weight 522 g (1.15 lb) Output Type AC Output (Not DC) UsageUse for stepless control of many heating and lighting applications such as rice cookers, water heaters, tungsten lamps, and heating wires, as well as some small motors (observe inductive-load limits). Important: metal enclosure should be safely grounded; this unit outputs AC only. Great for workshops, DIY electronics benches, and industrial equipment where smooth voltage regulation is required.Returns, Refunds and Replacements Products that are received faulty, damaged, or not as described are eligible for a return, refund, or replacement in accordance with the Australian Consumer Law (ACL). We are committed to ensuring all products meet the standards of quality and reliability expected by our customers. However, please note that we do not accept returns or provide refunds for change of mind. We encourage you to carefully consider your purchase to ensure it meets your needs and expectations. Delivery Timeframe Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows: For customers in Victoria, approximately 7-10 working days; For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days; For customers in WA, NT, and TAS, approximately 9-172 working days.
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