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Designed for Purchasing Managers, Technical Directors and Operations Leaders who demand reliable power conversion without blowing the budget.
Get Free Quote in 24 hIn 2025‑2026, North American manufacturers reported a 22% increase in energy‑related operating costs. Variable transformers that are inefficient or poorly calibrated directly add to that burden.
| Parameter | Specification |
|---|---|
| Model | Powerstat Variable Transformer Type 21 |
| Input Voltage | 90‑264 V AC (global) |
| Output Power Range | 10 W – 500 W (continuous) |
| Efficiency | ≥ 96 % (typical) |
| Regulation Accuracy | ±0.2 % (0‑100 % load) |
| Operating Temp. | ‑40 °C ~ +85 °C |
| Dimensions (L×W×H) | 120 mm × 80 mm × 50 mm |
| Weight | 0.85 kg |
| Certifications | CE, FCC, RoHS, ISO 9001, VDE, GS |
| Warranty | 24 months or 10 000 hours |
Audio Amplifier Manufacturing – A leading US audio OEM reduced total harmonic distortion by 0.15 % and saved $45 k annually after switching to Type 21.
Medical Imaging Equipment – A hospital‑grade CT scanner integrated the transformer for precise voltage control, achieving a 5 % reduction in power consumption while meeting IEC 60601‑1 standards.
Renewable Energy Inverters – A solar‑farm integrator reported a 3 % boost in inverter efficiency, translating to an extra 1.2 MWh per year.
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“Switching to Xinchangda’s Powerstat Type 21 cut our transformer‑related downtime by 40 % and saved us $28 k in the first quarter.” – John M., Procurement Manager, Acme Audio Inc.
“The OEM customization allowed us to integrate the transformer directly into our chassis – no extra adapters needed.” – Linda S., Technical Director, MedTech Solutions
Compliance & Quality Certifications: CE, FCC, RoHS, GS, CB, VDE, ISO 9001, ISO 14001, HACCP/GMP, IPPC.
Standard units are shipped within 2‑3 weeks after order confirmation. Express shipping (air freight) can reduce this to 5‑7 days for an additional $350 USD.
Yes. Our OEM/ODM team can adjust winding ratios, housing dimensions, and even integrate proprietary control circuits. Minimum order for custom runs is 500 pcs.
We accept T/T (30 % deposit, 70 % balance), L/C at sight, and PayPal for orders under $10 k. For long‑term partners, net‑30 or net‑60 terms can be negotiated.
All units carry a 24‑month/10 000‑hour warranty. Faulty items are replaced within 7 business days after RMA approval. Our 24/7 technical hotline (+1‑800‑555‑0199) is staffed by certified engineers.
Yes – we ship a free engineering sample (up to 5 pcs) after you cover the shipping cost. This allows you to validate performance in‑house before committing.
Limited‑time offer: **Free engineering sample + 5 % discount on the first 2 000 pcs**. Stock is limited to 10 000 units per month.
Request Sample Email SalesOr WhatsApp us now: +1‑415‑555‑0198
Mark T., Senior Engineer – SoundTech USA
“The Powerstat Type 21 delivered exactly the voltage sweep we needed for our new line‑array amplifiers. Installation took 2 hours versus the 1‑day effort with our previous vendor.”
Emily R., Procurement Lead – MedEquip Corp.
“Quality certification was a make‑or‑break factor. Xinchangda’s CE & ISO 9001 compliance let us fast‑track regulatory approval for our latest MRI power module.”
James L., Operations Manager – GreenPower Solutions
“Switching to the variable transformer cut our inverter’s idle power by 8 %, saving roughly $12 k per year. Delivery was on schedule, and the after‑sales support is superb.”
Dr. Victor Liu – Senior Magnetics Engineer with 18 years of experience in transformer design for audio, medical, and renewable‑energy markets. He leads the R&D team at Huizhou Xinchangda Electronic, holding patents in high‑efficiency magnetic cores and ISO 9001 auditor certification. Victor regularly contributes to IEEE Transactions on Power Electronics.
For more technical insights, follow Dr. Liu on LinkedIn or download his latest whitepaper on “Variable Power Conversion Trends 2025‑2026”.
