Three-Phase High-Precision Full-Automatic AC Power Stabilizers|SF-TNS Series

In stock
Regular price $387.00

Elevate Your Power Stability with the TNS Three-Phase High Precision Automatic AC Voltage Stabilizers

Are you in search of a reliable solution for your three-phase power systems? Look no further than our TNS Three-Phase High Precision Automatic AC Voltage Stabilizers, designed to bring stability and efficiency to your power supply.

Precision and Reliability:

The TNS series is a sophisticated combination of our single-phase stabilizer technology, adapted for the demanding needs of three-phase systems. This stabilizer ensures that your equipment always receives a stable and precise voltage, irrespective of fluctuations in the power grid or load changes.

Compact and Versatile:

Despite its advanced capabilities, the TNS stabilizer is compact and lightweight, making it an unobtrusive addition to any setup. It’s characterized by minimal output waveform distortion, ensuring that your equipment operates at peak performance.

Safety and Customization:

Safety is paramount with the TNS series. It comes equipped with overvoltage protection and offers customizable features like undervoltage and delay protection, tailored to your unique requirements.

Ideal for a Range of Applications:

This stabilizer is perfect for environments where precision and stability are crucial. It's ideal for voltage testing instruments, X-ray and photography equipment, communication systems, industrial robots, production line control devices, medical devices, laboratory instruments, CNC machines, and much more.


Technical Data

Specification Three-Phase Stabilizer
Output Voltage 380V±3%
Phase Three Phase
Frequency 50/60Hz
Adjustment Time >15V/second
Maximum Rated (KVA) 1.5, 3, 4, 5, 6, 9, 15, 20, 30, 50
Output Current (A) 2, 4, 6, 8, 12, 20, 28, 40, 68
Overvoltage Protection 425-255V
Ambient Temperature 5 to +40°C
Temperature Rise <60°C (under full load conditions)
Relative Humidity Less than 90%
Waveform Distortion No additional waveform distortion
Efficiency >95%
Withstand Voltage In line with ministerial standards

Model  Specifications

Model Capacity Size (mm) Input Voltage Range (V) Output Voltage (V) Output Current (A) Weight (kg)
TNS-1.5KVA 1.5 KVA 485×340×165 280-450 380 2 13
TNS-3KVA 3 KVA 485×340×165 280-450 380 4.5 16
TNS-4.5KVA 4.5 KVA 485×340×165 280-450 380 6.5 18
TNS-6KVA 6 KVA 300×500×680 280-450 380 9 30
TNS-9KVA 9 KVA 300×500×600 280-450 380 13 55
TNS-15KVA 15 KVA 300×500×600 280-450 380 22 60
TNS-20KVA 20 KVA 300×500×600 280-450 380 30 70
TNS-30KVA 30 KVA 300×500×600 280-450 380 45 75
TNS-40KVA 45 KVA 350×500×700 280-450 380 61 94
TNS-45KVA 45 KVA 600×520×1120 280-450 380 68 130
TNS-50KVA 50 KVA 420×680×800 280-450 380 75 146
TNS-60KVA 60 KVA 420×680×800 280-450 380 90 169
TNS-80KVA 80 KVA 600×520×1040 280-450 380 122 214
TNS-100KVA 100 KVA 600×520×1040 280-450 380 152 240

This table provides detailed specifications for each model in the TNS

Packing Information

Packing Size (mm) 420x680x880 500x760x1060 500x760x1060 420x680x880
Gross Weight (kg) 75 121 134 140
Voltage 380V 380V 380V 380V


Choose the TNS Three-Phase High Precision Automatic AC Voltage Stabilizers for a seamless, efficient, and reliable power supply solution. Ensure the safety and efficiency of your equipment with our state-of-the-art stabilizers – your gateway to stabilized power in a fluctuating world.

TNS-30KVA: Size 300×500×600mm, Weight 75kg; TNS-50KVA: Size 420×680×800mm, Weight 146kg; TNS-60KVA: Size 420×680×800mm, Weight 169kg; TNS-80KVA: Size 600×520×1040mm, Weight 214kg.

Shipping Information

Shipping Time and Costs

  • Delivery Timeframe: 5-10 business days.
  • Machines: Fees calculated at checkout or via email at
  • Accessories: Fees calculated at checkout or via email.
  • Consumables: Shipped free of charge.

IMPORTANT NOTICE: Free shipping is exclusive to laser consumables. For discrepancies at checkout, contact us for actual shipping costs.

Tariff Policy

  • Offline Payments: Tariffs based on trade terms. Export duties are covered by us under FOB, CFR, or CIF terms; import duties by the customer. For DDP, all duties are covered by us.
  • Online Payments: Export duties are covered by us; import duties by the customer. Check "Tariff Rate" on our website for specifics.

Order Tracking

  • Confirmation: Receive an email upon successful order placement.
  • Shipping Notification: Includes order number, courier, and tracking number. Track your order via email for updates, modifications, and shipping details.

Important Notes

Delivery Address

  • Confirm your address before finalizing your order. To change it, email within 48 hours of purchase.

Damage and Returns

  • For transit damage due to force majeure, contact immediately upon receipt.
  • To cancel an order, contact us rather than refusing the package to avoid risks of loss or damage.

Non-receipt and Package Damage

  • If not received within 7 days past the delivery date, email We are not liable for delays not reported within this timeframe.
  • Report any package or product damage on the day of receipt with photos/videos to for assistance.

Technical Support After Purchase

  • For technical support, take detailed inventory and photos of unpacked items and contact promptly. We provide support via email or online contact.

1. Overview

We strive for your satisfaction with every order. Understanding that returns may sometimes be necessary, we offer a refund in USD, provided the goods meet our policy requirements.

2. How to Return

Before Delivery

  • Email: Send a request to to cancel and refund your order.
  • Note: Avoid initiating a bank refund to prevent fees and delays. Any bank fees incurred will be deducted from your refund.

After Delivery

  • Email: Contact for return assistance.
  • Conditions: Adhere to our return conditions. Be prepared for a service fee and transportation costs.

3. Return/Refund Conditions

Returns within 15 days of delivery are accepted under the following conditions, along with the original receipt and a refund service fee:

  • Not Packed, Not Shipped: 4.4% service fee for machines, accessories, and consumables.
  • Packaged, Not Shipped: 10% for machines; 20% for accessories and consumables.
  • Shipped, Unopened: 20% for machines; 25% for accessories and consumables.
  • Opened, Unused: 30% for machines; 50% for accessories and consumables.
  • Opened, Used: 50% for machines; 80% for accessories and consumables.

Important: Service fees apply due to instant fund deductions by payment platforms. Bank charges, taxes, and shipping expenses are deducted from refunds. No exchanges. Items must return in pristine condition, with machinery/components having no more than 3 uses. Stand-alone consumables are non-returnable.

4. Refund Processing Time

  • Packing Details: Include a packing list, order number, and customer name in your return package.
  • Tracking: If returning the order yourself, email the tracking number to
  • Timeline: Refunds typically processed in 10-15 business days post-return inspection. Confirmation emails will be sent, followed by bank processing.

5. Disclaimer

  • Approval: Only approved returns are accepted.
  • Rights: Sky Fire Laser reserves the right to refuse returns not meeting policy requirements.
  • Shipping: Returns must be sent to the address provided in your return confirmation. No on-site returns.

6. Questions?

For any inquiries, email us at

1 year

  1. International Shipping: Please be aware that for orders shipped internationally, any customs fees incurred will be the responsibility of the customer. These fees are not covered by our shipping charges.
  2. Refund Processing Fee: For orders that have not been packed or shipped, a refund processing fee will apply. This fee is due to the immediate deduction of funds by payment platforms such as PayPal, Visa, etc., and will be calculated as a percentage of the total order cost.

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