SHGJ-4000VA 4000W Reversible Voltage Converter 220V to 110V & 110V to 220V Step Up Down Transformer

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SHGJ-4000VA 4000W Reversible Voltage Converter 220V to 110V & 110V to 220V Step Up Down Transformer

SHGJ-4000VA 4000W Reversible Voltage Converter 220V to 110V & 110V to 220V Step Up Down Transformer

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The SHGJ-4000VA is a high-output, commercial-grade bidirectional voltage converter engineered for demanding appliances and workshop equipment, facilitating reliable 220V to 110V and 110V to 220V power conversion. Powered by a heavy-gauge toroidal silicon core, enclosed in a flame-retardant cold-rolled steel chassis, and cooled by natural convection air vents, this CE & FCC certified 4000VA transformer provides generous headroom and thermal stability, making it the supreme choice for commercial induction cookers, ovens, and workshop machinery. (Please refer to the Technical Specifications and Appliance Compatibility Guide below for detailed continuous load sizing).

• Bidirectional Voltage Converter & Step Up & Step Down (Dual-Way): Features a heavy-current selector switch for effortless 220V to 110V and 110V to 220V transformation. Four rugged output sockets (2x US 110V + 2x Universal 220V) allow simultaneous connection of high-power imported appliances without adapters.

• 4000VA Toroidal Heavy-Duty Capacity with Superior Thermal Management: Engineered with premium toroidal core architecture delivering 98% efficiency with minimal idle power consumption. Heavy-duty power reserve easily powers commercial ovens, table saws, and simultaneous kitchen appliances with enduring stability. (See technical specifications below for continuous power ratings).

• Integrated Ergonomic Handle for Confident 13.2kg Transportation: Built with an extra-reinforced ergonomic metal carrying handle directly welded to the chassis frame. Safely move and position this 13.2kg commercial transformer between workshops, commercial kitchens, and utility closets with balanced control.

• Flame-Retardant Steel Housing & Convection Thermal Dissipation: Housed in cold-rolled industrial steel finished with fire-resistant electrostatic coating. Extensive multi-directional convection cooling vents disperse thermal buildup naturally without fan vibration, bearing wear, or noise.

• CE & FCC Safety Dual-Certified with Automatic Heavy-Load Breaker: Meets demanding CE European and FCC American compliance standards. Integrated heavy-duty push-to-reset breaker protects against unexpected short circuits and massive current surges, resetting in seconds without fuse replacements.

Model:
SHGJ-4000VA
Brand:
SUNSHUN
Code:
GJ4000

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Availability:





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Product Description

Enterprise whatsapp account: +86-13690698363

The SHGJ-4000VA is a high-output, commercial-grade bidirectional voltage converter engineered for heavy-draw appliances and industrial workshop equipment. Supporting reliable 220V/110V power transformation, it combines advanced magnetic engineering with superior thermal management.

1. Bidirectional Voltage Converter & Step Up & Step Down (Dual-Way)

Seamlessly switch between 220V to 110V step-down and 110V to 220V step-up with a single heavy-duty selector switch. One compact transformer powers both imported American/Japanese appliances and domestic European/Asian equipment globally without redundant hardware.

2. Worldwide Universal Use & Cross-Border Ready

Engineered for international relocations, cross-border business, and global travel. Fully compatible with worldwide 100V-120V and 220V-240V utility grids and 50Hz/60Hz electrical frequencies, eliminating equipment incompatibility across borders.

3. Portable Carry Handle & Ergonomic Handle for Effortless Transport

Heavy-duty integrated carrying handle recessed into the top panel provides balanced center-of-gravity lifting. Move high-capacity toroidal transformers between kitchen counters, workshops, and living areas with comfort and safety.

4. Fire-Resistant Casing & Industrial Heavy-Duty Steel Enclosure

Precision-stamped industrial flame-retardant cold-rolled steel housing shields internal magnetic components from drops, impacts, and thermal hazards. High-dielectric powder coating delivers exceptional insulation and fire resistance.

5. Convective Thermal Dissipation & Air Convection Cooling Architecture

Dual-flank convection cooling louvers create a natural thermal chimney effect, drawing cool ambient air across the toroidal core and exhausting heat without mechanical fan hum. Enjoy silent continuous 24/7 operation.

6.Premium-Grade Materials, CE & FCC Certified with Dependable Quality Assurance

Constructed with ultra-low-loss grain-oriented silicon steel toroidal cores and precision windings for 98% conversion efficiency. Fully certified under CE and FCC international electrical standards and backed by strict factory quality guarantees.

110V220V bidirectional converter

Air-type overload protection switch

Dual-sided ventilation cooling grid

Free replacement of power cord

Heavy-duty iron shell and thermal barrier protection

Outstanding manufacturing standard

Inspection Certificate

Technical Parameters

Model Number	SHGJ-4000VA
Rated Capacity (VA)	4000VA
Continuous Working Power	≤ 2000W (Recommended for continuous use under 2000W)
Peak Surge Capacity	4000W Max
Voltage Direction	220V ⇄ 110V (Dual-Way Reversible Step Up & Step Down Converter)
Input Voltage Range	AC 110V-120V / 220V-240V
Output Sockets & Voltages	Simultaneous stable AC 110V-120V and AC 220V-240V outputs
Core Architecture	Grain-Oriented Toroidal Silicon Steel Core
Cooling Architecture	Air Convection Cooling Vents
Housing Enclosure	Industrial Flame-Retardant Steel Casing
Ergonomic Handle	Integrated Heavy-Duty Ergonomic Carrying Handle
Circuit Protection	Built-in Push-to-Reset Automatic Circuit Breaker
Safety Certifications	CE & FCC Safety Certified, RoHS
Net Weight & Dimensions	~13.2 kg (29.1 lbs) · 29.5 × 22.5 × 19.5 cm
Standard Package Contents	1x Voltage Transformer Unit, 1x Heavy-Duty Grounded Power Cord, 1x Multilingual User Manual & Warranty Card
Manufacturer Quality Pedigree	Backed by Shunhong 38-Year Direct Factory Manufacturing Pedigree (Since 1987) · Strict Dielectric Testing

Product Uses

Recommended Compatible Overseas Appliances

Commercial induction cookers & countertop ranges (≤2000W)
Workshop machinery, table saws, planers & air compressors (≤1600W motor load with surge buffer)
Commercial slushie machines, soft-serve ice cream makers & blast chillers (≤ 1800W)

Built-in domestic wall ovens & steam bake ovens (≤2000W)
Simultaneous kitchen combo: Espresso machine (1000W) + Air fryer (900W) concurrently (total under 2000W)
Whole-home water heaters & radiant space heaters (≤2000W)

Official Continuous Usage Guideline:

SHGJ-4000VA is recommended for continuous use with appliances under 2000W, ensuring massive safety margins for high-draw appliances and workshop tools.

Product Operate Guide

SHGJ-4000VA Simple Operating Instruction

FAQ

Q1: The SHGJ-4000VA is rated at 4000VA; can it run two high-power appliances simultaneously without overload?

A1: Yes! The SHGJ-4000VA is specifically engineered for multi-appliance countertop stations and commercial kitchen environments. Featuring 4000VA of toroidal apparent power, you can comfortably power an espresso machine (1000W) and an air fryer (900W) at the same time, provided the continuous simultaneous load remains within the recommended 2000W envelope.

Q2: Can the SHGJ-4000VA withstand 8-to-10 hour non-stop daily operation in commercial beverage kiosks or bakeries?

A2: Absolutely. The SHGJ-4000VA utilizes low-loss grain-oriented cold-rolled silicon steel and an industrial fire-retardant cold-rolled steel chassis. Its oversized bilateral convective ventilation louvers create a constant chimney-effect draft, dissipating heat naturally and keeping operating thermal rise well within 50°C without mechanical fan failure risks.

Q3: How does the automatic circuit breaker protect valuable imported equipment during sudden electrical surges?

A3: The unit is equipped with a high-current thermal-magnetic automatic circuit breaker. When detecting unexpected short circuits or surge spikes exceeding safety limits, the breaker trips instantaneously in milliseconds. Once the fault is cleared, pressing the one-touch push-button reset restores power immediately—eliminating fuse hunting and replacement downtime.

Q4: Can the SHGJ-4000VA handle heavy workshop machinery with inductive motor loads like table saws and thickness planers?

A4: Yes, with outstanding torque delivery. High-horsepower workshop motors draw massive 2.5x to 3x inductive surge currents at cold startup. The 4000VA toroidal core provides abundant instantaneous electromagnetic flux headroom, preventing voltage drops, tripping, or motor stalling during heavy cuts.

Q5: Does the 4000VA unit support wall mounting and how portable is it with the integrated carrying handle?

A5: Yes. The heavy-duty steel backplate includes pre-punched reinforced wall-mounting eyelets, allowing secure suspension against workshop walls or coffee bar backsplashes to clear premium counter space. The top-mounted ergonomic steel handle features reinforced spot welds, engineered to comfortably bear over 25kg for balanced, strain-free transport.