3KG Electric Gold Melting Furnace Kit

Model: TGF3000
Voltage: 110V/220V
Max Temp: 1100°C (2000°F)
Power: 1400W
Package Dimensions: 16.6 x 12.5 x 12.1 inches
Item Weight: 13.2 pounds
Material: Heat-resistant metal
Melting Time: 45–60 mins
Use: Indoor home, studio, metal melting, Jewelry store

• PID Intelligent Temp Control: High-precision PID adjusts every 2 sec. Lab test: melts copper to 1100°C in 48 min with ±3°C stability—cutting casting failures by 67% vs. non-PID models for reliable, repeatable results.
  
• 48-Minute Rapid Melting: 1400W + heat-seal design melts 3kg copper in 48 min—35 min faster than 800W units. Gold/silver/aluminium melts in 45–60 min, boosting daily output for jewellers and small foundries.
  
• Grooved Graphite Crucible: Textured interior ensures even heating & residue-free pours. After five 20g gold melts, zero slag remained—achieving >98% metal recovery and slashing precious metal loss in real use.
  
• Triple Safety Protection: Heat-seal lid + auto shut-off + 800°C gloves. Outer shell stays at 65°C after 1 hr full load—below 70°C burn threshold. Safe for beginners, trusted by pros in home studios.
  
• 3 kg Large Capacity: Holds up to 3kg (6.6 lbs)—melts 2.8kg copper without overflow. Nearly doubles output vs. 1.5kg furnaces, enabling multi-part casts in one batch. Ideal for production-scale hobbyists & artisans.

Application & Basic Parameters

What metals can this 3KG gold melting furnace melt?

This 3KG gold melting furnace is designed for melting a variety of metals, including gold, silver, aluminum, copper, lead, and zinc.

It is especially suitable for gold melting, silver melting, jewelry making, precious metal recycling, and small-batch metal casting projects. Aluminum can be melted efficiently, while higher-temperature metals such as copper require proper preparation and sufficient heating time for the best results.

This furnace is ideal for jewelry makers, hobby metal casters, DIY precious metal projects, and small-scale metal recycling applications.

What are the capacity, power, and temperature specifications?

The furnace features a compact design optimized for small-batch metal melting projects.

It has a maximum capacity of 3KG, with a recommended working capacity of 1–2KG for better heating efficiency. The furnace uses an 1800W heating system, 110V power supply, maximum temperature of approximately 1100–1150°C (2012–2102°F), and PID digital temperature control for convenient temperature adjustment.

Its compact size makes it especially suitable for gold, silver, and jewelry-making applications where flexibility and space efficiency are important.

Is this 3KG gold melting furnace beginner-friendly?

Yes. The furnace is designed with simple operation and comes with a complete accessory kit, making it suitable for beginners and hobby users.

The PID digital controller allows users to adjust and monitor temperature easily. For first-time users, we recommend following proper melting procedures and learning basic techniques to achieve better results.

Heating Performance & Temperature Control

How fast does the furnace heat up?

The furnace typically reaches melting temperature within 20–40 minutes, depending on the metal type, material quantity, crucible condition, and surrounding environment.

The 1800W heating system provides efficient performance for small-batch gold, silver, aluminum, and jewelry melting projects.

Does this furnace provide accurate temperature control?

The built-in PID digital temperature controller helps maintain stable heating and provides convenient temperature adjustment during operation.

For the best melting performance, we recommend preheating the crucible, avoiding overloading, and using appropriate material quantities, especially when working with higher-temperature metals.

What type of power supply is required?

Due to the 1800W power output, this furnace requires a stable electrical supply for reliable operation.

For optimal performance, we recommend using a 20A dedicated circuit and a heavy-duty extension cord. Using an unsuitable power supply may cause breaker trips or unstable heating during operation.

Durability & Maintenance

How durable is this gold melting furnace?

This furnace is designed for hobby users and small-batch melting applications.

With proper operation and regular maintenance, it can provide reliable performance for gold, silver, aluminum, and other metal melting projects. Frequent operation at maximum temperature may increase wear on components such as heating elements, thermocouples, temperature probes, and crucibles.

Following recommended operating procedures can help extend the service life of the furnace.

How long does the crucible last?

Crucible lifespan depends on the material being melted, operating temperature, and usage frequency.

Higher-temperature applications, such as gold or copper melting, may cause faster crucible wear over time. To improve crucible durability, avoid thermal shock, preheat the crucible before use, do not exceed the recommended capacity, and apply borax protection when appropriate.

For users who frequently melt precious metals, keeping spare crucibles available is recommended for uninterrupted operation.

What are common issues and solutions?

If the furnace does not reach the expected temperature, make sure the crucible is properly preheated, reduce the material load, and allow sufficient heating time.

If the circuit breaker trips during operation, use a dedicated 20A circuit with a suitable heavy-duty extension cord.

For issues involving heating elements, temperature probes, or other components, contact ToAuto customer support for troubleshooting assistance and replacement solutions.

Accessories & Safety

Are the included accessories sufficient?

The included accessories provide a complete starting setup for beginners and hobby users.

For regular gold and silver melting projects, additional accessories such as spare crucibles, heat-resistant gloves, stronger crucible tongs, borax flux, and larger casting molds can further improve the overall experience.

Is this furnace safe to use?

The electric heating design provides stable operation without an open flame, making it a cleaner and more convenient alternative to traditional propane furnaces.

However, molten gold, silver, and other metals reach extremely high temperatures and require careful handling. Always wear appropriate protective equipment, including heat-resistant gloves and eye protection, and operate the furnace in a well-ventilated area on a stable, heat-resistant surface.

Keep the workspace clear of flammable materials and handle molten metal carefully to prevent spills or burns.

Customer Support & Buying Value

How is customer support for this furnace?

ToAuto provides customer support to help users operate and maintain their melting furnace.

Our team can assist with technical questions, troubleshooting, and replacement parts related to heating elements, temperature probes, and other components.

Is this 3KG gold melting furnace worth buying?

This 3KG gold melting furnace is a practical entry-level solution for users who need an affordable and reliable option for small gold, silver, jewelry, and metal casting projects.

With its 3KG capacity, PID temperature control, 1800W heating system, compact design, and complete starter accessories, it provides a good balance of performance, convenience, and value.

It is especially suitable for:

Jewelry makers, precious metal hobbyists, small-scale recyclers, and DIY casting enthusiasts.

For users who require frequent professional-level production or heavy-duty continuous operation, a higher-capacity furnace may be a better choice.

Recommended Usage Tips

For the best melting performance and longer product lifespan, use a dedicated 20A circuit, preheat the crucible before operation, avoid exceeding the recommended capacity, prepare spare crucibles for frequent projects, apply borax protection when appropriate, and always wear proper personal protective equipment (PPE).