400kVA Versatile 3-Phase Variable Frequency AC Power
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Product Highlights
- Advanced DDS Technology: Utilizes Direct Digital Synthesizer for high frequency stability and clean sinusoidal output.
- Wide Frequency Range: Standard 40-500Hz with optional 10-1000Hz customization for diverse testing needs.
- High Precision Regulation: Voltage resolution of 0.1V and frequency resolution of 0.1Hz for accurate measurements.
Product Attributes
- Customization
- Available
- Output Type
- Single
- Warranty
- 1 Year
- Model NO.
- AS1400S
- Output Power
- 400kw
- Input Voltage
- Full Range
- Connection Mode
- Parallel Switching Power Supply
- Starting Mode
- Switching Power Supply
- Voltage Regulating Mode
- Frequency Modulation Type
- Power Supplying System
- Terminal Power Distribution Equipment
- Energy Transmission
- Two-way Transmission
- Modulation System
- PWM
- Certification
- CE, ISO, CCC
- Brand
- Jethley
- Protection
- Over Voltage Over Current Over Temp Over Load Shor
- LED Display
- Vrms Arms Fre Wattage Pfc
- Input Frequency
- 47Hz - 63Hz
- Communication Interface
- RS232/485
- Output
- One-Output
- Voltage Regulation
- 0.1V
- Current Regulation
- 0.001A
- Cooling
- Fan Forced Cooling
- Transport Package
- Wooden Box
- Specification
- 1500*2000*1200
- Trademark
- Jethley
- Origin
- China
- HS Code
- 8504401300
- Production Capacity
- 500000
- Package Size
- 1050.00cm * 1000.00cm * 2000.00cm
- Package Gross Weight
- 1000.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 400kVA Versatile 3-Phase Variable Frequency AC Power
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Product Description




AS1000 Series Single-Phase Variable Frequency Power Supply | |||||
Model | Power capacity | OUTPUT Max Curren L= 120 V | OUTPUT Max Curren H= 240 V | weight( Kg) | volumeW×H×D( mm) |
AS1000 | 500VA | 4.2A | 2.1A | 15 | 430×133×370 |
AS1001 | 1KVA | 8.4A | 4.2A | 20 | |
AS1003 | 3KVA | 25A | 12.5A | 30 | 430×177×460 |
AS1005 | 5KVA | 42A | 21A | 50 | 430×430×450 |
AS1010 | 10KVA | 84A | 42A | 80 | 430×765×550 |
AS1015 | 15KVA | 125A | 62.5A | 120 | |
AS1020 | 20KVA | 168A | 84A | 150 | |
AS1030 | 30KVA | 250A | 125A | 200 | 550×1280×700 |
AS1050 | 50KVA | 420A | 210A | 400 | |
AS1100 | 100KVA | 840A | 420A | 500 | 800×1680×850 |
AS1150 | 150KVA | 1250A | 625A | 600 | |
Power capacity | 500VA-3KVA | 3KVA-15KVA | 15KVA-100KVA | 100KVA-150KVA | |||||
Production method | SPWM | ||||||||
INPUT | Phase | 1φ2 W+ PE Single-phase two-wire + ground wire | 3φ4 W+ PE Three-phase four-wire + ground wire | ||||||
Voltage | 220 V±15 % | 380 V±15 % | |||||||
Frequency | 47 Hz - 63 Hz | ||||||||
OUTPUT | Phase | 1φ2 W+ PE Single-phase two-wire + ground wire | |||||||
Voltage | Low range 0 - 150 VAC / High range 0 - 300 VAC | ||||||||
Frequency | 45-120 Hz(40 - 500 HZoptional),0 . 1 Step | ||||||||
LED Display | Vrms Arms Fre Wattage PFC | ||||||||
Linear Regulation | 0 . 1 % | ||||||||
Load Regulation | 1 % | ||||||||
Harmonic T. H. D | 2%(purely resistive load) | ||||||||
Frequency Regulation | 0 . 01 % | ||||||||
Voltage Resolution | 0 . 1 V | ||||||||
Frequency Resolution | 0 . 1 Hz | ||||||||
Current Resolution | 0 . 0 01 A | 0 .01A | 0 . 1 A | 1A | |||||
Measurement accuracy | Voltage | 0 . 5 % FS+ 5 dgt | |||||||
Current | 0 . 5 % FS+ 5 dgt | ||||||||
Wattage | 0 . 5 % FS+ 5 dgt | ||||||||
Frequency | 0 . 01 % FS+ 5 dgt | ||||||||
Set accuracy | Voltage | 0.3 % FS | |||||||
Current | 0 . 1 % FS | ||||||||
Storage groups | M 1 ( V_ F_ A ) M 2 ( V_ F_ A ) M 3 ( V_ F_ A) | ||||||||
Interface | RS232C[IEEE488 . 2( GPIB) Optional] | ||||||||
I-LIM Set | O-Max Current | ||||||||
Protection | Over Current Over Temp Over Load Short Circuit | ||||||||
Environment | -10~45℃ 10 - 90 % RH | ||||||||
AS1000S Series Three-Phase Variable Frequency Power Supply | |||||
Model | Power capacity | OUTPUT Max Curren L= 120 V | OUTPUT Max Curren H= 240 V | weight( Kg) | volumeW×H×D( mm) |
AS1006S | 6KVA | 16.8A | 8.4A | 75 | 430×800×700 |
AS1010S | 10KVA | 28A | 14A | 90 | |
AS1015S | 15KVA | 42A | 21A | 120 | |
AS1020S | 20KVA | 56A | 28A | 150 | 550×1280×700 |
AS1030S | 30KVA | 84A | 42A | 200 | |
AS1045S | 45KVA | 168A | 84A | 300 | 800×1680×850 |
AS1060S | 60KVA | 280A | 140A | 500 | |
AS1100S | 100KVA | 420A | 210A | 900 | 1000×2000×1050 |
AS1150S | 150KVA | 560A | 280A | 1200 | |
AS1300S | 300KVA | 840A | 420A | 1800 | 1500×2000×1350 |
AS1450S | 450KVA | 1400A | 700A | 2500 | |
AS11000S | 1000KVA | 2800A | 1400A | 5000 | 3000×2000×105 |
output Capacity | 6KVA-10KVA | 15KVA-45KVA | 45KVA-450KVA | 45KVA-1000KVA | |||||
Production method | SPWM | ||||||||
INPUT | Phase | 1φ2W+PE Single-phase two-wire + ground wire | 3φ4W+PE Three-phase four-wire + ground wire | ||||||
Voltage | 220V±15% | 380V±15% | |||||||
Frequency | 47Hz-63Hz | ||||||||
OUTPUT | Phase | 3φ4W+PE Three-phase four-wire + ground wire | |||||||
Voltage | Low gear 0-150VAC / High gear 0-300VAC | ||||||||
Frequency | 45.00-120.0Hz(40.00-500.0HzOptional, 10-1000Hz custom-made),0.1Step | ||||||||
LED display (Phase A) Display | Vrms Arms Fre Wattage PFC | ||||||||
Line Regulation | 0.1% | ||||||||
Load Regulation | 1% | ||||||||
T.H.D | 2%(Purely resistive load) | ||||||||
Frequency Accuracy | 0.01% | ||||||||
Voltage Resolation | 0. 1V | ||||||||
Frequency Resolation | 0.1Hz | ||||||||
Current Resolation | 0.01A | 0.1A | 1A | ||||||
Measurement accuracy | Voltage | 0.5%FS+5dgt | |||||||
Current | 0.5%FS+5dgt | ||||||||
Watte | 0.5%FS+5dgt | ||||||||
Frequency | 0.01%FS+5dgt | ||||||||
Set precision | Voltage | 1% FS | |||||||
Current | 0.1% FS | ||||||||
Memor group | M1(V_F_A) M2(V_F_A) M3(V_F_A) | ||||||||
Interface | RS232/RS485[IEEE488.2(GPIB)optional] | ||||||||
I-LIM Set | 0—Max Current | ||||||||
Protection | Over Current Over Temp Over Load Short Circuit | ||||||||
Work Condition | -10~45℃ 10~90%RH | ||||||||
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.

The company has gathered an elite team who have been engaged in the R & D and production of power products in Japan and Taiwan for many years. It has absorbed advanced foreign technologies and management experience. With the tenet of "seeking truth and innovation, serving with heart" and the goal of "revitalizing national industry and achieving an international brand", it aims to promote Chinese power products to the world. At present, the full range of variable frequency power supply products (500VA - 2000KVA) produced by Jethley are widely used in various export - oriented manufacturing factories (such as home appliances, power tools, etc.), imported production lines (domestic introduction of foreign production lines), universities, and national institutions and research institutes for metrology, quality inspection, and international certification. The full range of DC power supply products (300W - 1000KW) are also widely used in motor aging, new energy testing, the LED industry due to their fast and professional customization and high - quality products, winning the long - term trust and cooperation of many customers in various industries.


Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions
AC/DC Load(Programmable)
AC/DC Electronic Load
EV Charger Test Equipment
A: Standard models ship in 15–30 days; customized units require 30–45 days.
A: Yes, we have partnered service centers in key regions.
A: Absolutely! We offer tailored attachments.
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
A: Contact us via email/phone for a quote, then confirm with a PO.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI2541589". Items marked "" are certified.
Company Profile
Jethley Electronics (Suzhou) Co., Ltd. is a national high-tech enterprise specializing in the independent R&D and production of AC/DC power supplies, AC/DC loads, and system integration services, possessing independent intellectual property rights.
We are a specialized manufacturer focused on test power supplies and test loads. Jethley Electronics (Suzhou) provides AC/DC power supply design, manufacturing, export, and logistics services to global customers.
Our factory is conveniently located in Suzhou, just an hour and a half drive from Shanghai. In recent years, we have been committed to elevating our product standards to meet the increasingly diverse demands of the power supply testing and load testing industries.
The company holds over 70 R&D patents and more than 30 individual patents, having successively obtained qualifications including High-Tech Enterprise, Dual-Software Enterprise, Specialized, Refined, Unique, and New Enterprise, and New Energy Product Testing Equipment Engineering Technology Research Center. Its products have received calibration certificates from national authoritative departments, CE certification, Quality Management System certification, Environmental Management System certification, and Occupational Health and Safety Management System certification.
With sales offices and after-sales service centers in Shenzhen, Hangzhou, Xi'an, and Beijing,
The company leverages its core products-test power supplies and test loads-alongside years of industry testing expertise. It specializes as a renowned comprehensive test solution system integrator, integrating R&D, production, sales, and service across power supply testing solutions, new energy testing solutions, electronic component testing solutions, industrial automation solutions, and product aging testing solutions.
About Our Factory & Business Background
- Address
- Building 6, No. 5, Datong Road, Suzhou High-Tech Zone, Suzhou, Jiangsu, China
- Terms of Payment
- T/T
- International Commercial Terms(Incoterms)
- FOB, EXW, FCA, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: one month - Nearest Port
- shanghai
Our Production Capability & Technical Expertise
- Main Products
- AC Power Source, DC Power Source, AC Load, DC Load, Programmable AC Power Source, Grid Simulator, Bidirectional DC Power Supply, PV Simulator, Battery Simulator, Anti-Islanding Test Load
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
Our Industry Experience & Global Business Record
- Export Year
- 2025-01-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
FAQ
- What is the output power range?
- The output power ranges from 1KW to 2000KW
- What is the adjustable voltage range?
- The output voltage is adjustable from 0 to 300 V
- Does it support remote control?
- Yes, it supports optional via RS232/RS485 communication interfaces.
- What protection features are included?
- It includes Over Voltage (OVP), Over Current (OCP), Over Temperature (OTP), and Short Circuit protection.
- What is the warranty period?
- The product comes with a 1-year warranty.
Send your message to this supplier
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