Oil-immersed 3 Phase Variac Transformer | TSJA Series Industrial
Adjustable Voltage Regulator
Product Overview
Our TSJA Series Oil-immersed 3 Phase Variac Transformer, developed
and manufactured by Shanghai Lepus Electrical Equipment Co., Ltd.,
is a heavy-duty, energy-saving industrial AC voltage regulation
solution engineered for continuous, high-power voltage adjustment
in rigorous industrial scenarios. This oil-cooled contact-type
variac transformer features ONAN natural oil cooling for superior
heat dissipation, full-capacity operation, zero additional waveform
distortion, and exceptional instantaneous overload tolerance,
adapting seamlessly to resistive, inductive, and capacitive loads.
It is the trusted choice for electrical engineers, factory
operators and industrial clients worldwide, widely deployed in
motor testing, voltage test benches, CNC machine tools,
photovoltaic systems, EV charging stations, laser cutting
equipment, and power transmission systems.
Key Features & Competitive Advantages
Purpose-built for global heavy-duty industrial applications, this
oil-immersed 3 phase variac transformer delivers industry-leading
performance:
- Superior Thermal Performance: Premium 25# transformer oil enables
fast heat dissipation, low temperature rise, and excellent
insulation for long-term continuous operation.
- High Precision & Stable Output: ±1% output accuracy with zero
waveform distortion, ensuring reliable voltage control for
sensitive motor testing and precision industrial equipment.
- Premium Industrial Build: Oxygen-free copper windings for high
conductivity and low loss, new low-noise high-flux iron core, and
high-strength steel enclosure for maximum durability and voltage
stability.
- Wide Adjustable Voltage Range: Standard 3 phase 380V input with
0-700V fully adjustable output, customizable to match global
industrial power standards.
- Safe & Reliable Design: High-insulation reinforced terminals, Class
F insulation, and robust construction guarantee safe operation in
harsh industrial environments.
Why Choose SHLEPUSI
As an ISO9001, CE and UL certified professional industrial variac
transformer manufacturer, we serve clients across 60+ countries and
regions in Central Asia, East Asia, South Asia, Africa, Europe,
North and South America. We provide full OEM/ODM customization,
including tailored rated capacity (50-2000KVA), voltage parameters,
brand logo printing, and custom packaging to fit your unique
requirements. Every unit undergoes strict multi-stage quality
inspection and pre-shipment testing to ensure zero defects, backed
by a 2-year warranty. We offer flexible global shipping with full
Incoterms support, lifetime free technical guidance, and on-site
engineer installation and debugging services, with a low minimum
order quantity of 1 unit for all orders.
Technical Specifications
| Core Parameter | Standard Specification |
|---|
| Product Name | Oil-immersed 3 Phase Variac Transformer |
| Standard Model | TSJA-1250KVA (Fully Customizable) |
| Brand | SHLEPUSI (OEM/ODM Supported) |
| Rated Capacity | 1250KVA (Customizable 50-2000KVA) |
| Rated Input Voltage | 3 Phase 380VAC (Customizable) |
| Rated Output Voltage | 3 Phase 0-700VAC Adjustable (Customizable) |
| Working Frequency | 50/60Hz |
| Output Precision | ±1% |
| Insulation Class | F |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Display System | Digital Voltage Display |
| Operating Temperature | -15℃ to +45℃ |
| Waveform Distortion | No Additional Waveform Distortion |
| Certifications | ISO9001, CE, UL |
| Warranty | 2 Years |
Frequently Asked Questions (FAQ)
Q1: What is your standard lead time for this oil-immersed variac
transformer? A: Standard in-stock orders ship within 3-7 working days.
Customized or bulk orders take 10-30 days based on order
specifications.
Q2: How do you ensure product quality? A: We implement full-process quality inspection from raw material
incoming to final assembly, with strict pre-shipment testing for
every unit.
Q3: What are your accepted payment terms? A: 30% deposit for standard products, minimum 50% advance payment
for customized orders, with full balance settled before shipment.
Q4: Do you provide technical support for installation? A: Yes. Our professional technical team offers full installation
guidance, on-site engineer dispatch, and lifetime free telephone
technical support.
Q5: What packaging do you use for international shipping? A: Large industrial units use reinforced fumigated wooden cases for
protection. Custom packaging is available upon request.
Q6: Do you accept OEM/ODM orders with our company logo? A: Yes, we provide full OEM/ODM services, including custom logo
printing on products and technical documents for eligible orders.
Q7: What are your main global markets? A: We serve clients worldwide, covering Central Asia, East Asia,
South Asia, Africa, Europe, North America and South America.
Q8: What is your monthly production capacity for oil-immersed
variac transformers? A: We produce up to 2,000 high-power industrial units monthly,
supporting bulk orders of all sizes.
Q9: Can you customize rated capacity and voltage range? A: Absolutely. We fully customize capacity from 50KVA to 2000KVA
and voltage parameters to meet your specific industrial needs.
Q10: What is your minimum order quantity (MOQ)? A: Our MOQ is 1 unit, accommodating both sample testing and
large-scale bulk procurement needs.
Contact Us
TEL / WeChat: +86 15926315252 | Email: daniel@shlepus.com |
Whatsapp: +86 18979230829
Oil Immersed Three Phase Variac Transformer 1250KVA 0-700V Adjustable Output
