Step-up & Step Down Voltage Converters and Transformers
The Best Voltage Converters Available, with a FREE 5 Year Warranty!
All of our Type 3 Diamond Series step-up & step-down voltage converters come with a FREE industry leading 5 year warranty. Simply put, these are the best voltage transformers available. The Type 3 is both a Step up and Step Down Transformer which features a high-durability lifetime coil. For more information, please see our Voltage Converter Comparison Chart
Universal Output Plug for Use in Almost ANY Country!
The universal output plug allows devices from almost any country to be used with this voltage transformer.
Also Included: Euro Adapter Plug
Plug that fits into the wall outlet is a Grounded USA North America Style Plug. Free plug adaptor allows this voltage converter to be used in most of Europe, Asia, and Africa.
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100 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-100
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 3 lbs. (1.4 kg)
- Dimensions: 3.75 in x 5.25 in x 3.75 in
(9.5 cm x 13.3 cm x 9.5 cm)
Learn MoreRegular Price: $22.00
Now only: $19.80
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200 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-200
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 4 lbs. (1.8 kg)
- Dimensions: 3.75 in x 5.25 in x 3.75 in
(9.5 cm x 13.3 cm x 9.5 cm)
Learn MoreRegular Price: $31.00
Now only: $25.00
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300 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-300
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 6 lbs. (2.7 kg)
- Dimensions: 4.75 in x 6 in x 4 in
(12.1 cm x 15.2 cm x 10.2 cm)
Learn MoreRegular Price: $33.00
Now only: $29.70
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500 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-500
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 8 lbs. (3.6 kg)
- Dimensions: 4.75 in x 6 in x 4 in
(12.1 cm x 15.2 cm x 10.2 cm)
Learn MoreRegular Price: $44.00
Now only: $39.60
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750 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-750
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 11 lbs. (5 kg)
- Dimensions: 4.75 in x 7 in x 4 in
(12.1 cm x 17.8 cm x 10.2 cm)
Learn MoreRegular Price: $75.00
Now only: $55.90
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1000 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-1000
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 15 lbs. (6.8 kg)
- Dimensions: 7.25 in x 8.25 in x 5.75 in
(18.4 cm x 21 cm x 14.6 cm)
Learn MoreRegular Price: $77.00
Now only: $69.30
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1500 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-1500
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 19 lbs. (8.6 kg)
- Dimensions: 7.25 in x 9.75 in x 6 in
(18.4 cm x 24.8 cm x 15.2 cm)
Learn MoreRegular Price: $99.00
Now only: $89.10
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1750 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-1750
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 22 lbs. (10 kg)
- Dimensions: 7.25 in x 9.75 in x 6 in
(18.4 cm x 24.8 cm x 15.2 cm)
Learn MoreRegular Price: $122.00
Now only: $95.00
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2000 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-2000
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 22 lbs. (10 kg)
- Dimensions: 7.25 in x 9.75 in x 6 in
(18.4 cm x 24.8 cm x 15.2 cm)
Learn MoreRegular Price: $122.00
Now only: $109.80
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2500 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-2500
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 22 lbs. (10 kg)
- Dimensions: 7.25 in x 9.75 in x 6 in
(18.4 cm x 24.8 cm x 15.2 cm)
Learn MoreRegular Price: $132.00
Now only: $119.80
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3000 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-3000
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 28 lbs. (12.7 kg)
- Dimensions: 7.25 in x 9.75 in x 6 in
(18.4 cm x 24.8 cm x 15.2 cm)
Learn MoreRegular Price: $160.00
Now only: $144.00
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3500 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-3500
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 28 lbs. (12.7 kg)
- Dimensions: 7.25 in x 9.75 in x 6 in
(18.4 cm x 24.8 cm x 15.2 cm)
Learn MoreRegular Price: $170.00
Now only: $154.00
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5000 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-5000
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 42 lbs. (19 kg)
- Dimensions: 8.25 in x 12.5 in x 6.75 in
(21 cm x 31.8 cm x 17.1 cm)
Learn More -
5500 Watt Diamond Series Type 3 Voltage Converter
Model: International DS-5500
- BEST Diamond Series 5 Year Warranty!
- USA Grounded Male Plug Attached
Extra Adapter Included to Use with 220 Volt Outlets - Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Weighs 30 lbs. (13.5 kg)
- Dimensions: 7.25 in x 9.75 in x 6 in
(18.4 cm x 24.8 cm x 15.2 cm)
Learn MoreRegular Price: $249.00
Now only: $185.00
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10,000 Watt Diamond Series Voltage Transformer
Model: International DS-10000
- BEST Diamond Series 5 Year Warranty!
- Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Must be hardwired into home circuitry - does not have an outlet plug
- Weighs 50 lbs. (22.7 kg)
- Dimensions: 11.5 in x 12 in x 6.5 in
(29.2 cm x 30.5 cm x 16.5 cm)
Learn MoreRegular Price: $475.00
Now only: $378.00
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12,500 Watt Diamond Series Voltage Transformer
Model: International DS-12500
- BEST Diamond Series 5 Year Warranty!
- Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Must be hardwired into home circuitry - does not have an outlet plug
- Weighs 50 lbs. (22.7 kg)
- Dimensions: 11.5 in x 12 in x 6.5 in
(29.2 cm x 30.5 cm x 16.5 cm)
Learn MoreRegular Price: $470.00
Now only: $423.00
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17,500 Watt Diamond Series Voltage Transformer
Model: International DS-17500
- BEST Diamond Series 5 Year Warranty!
- Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Must be hardwired into home circuitry - does not have an outlet plug
- Weighs 65 lbs. (29.5 kg)
- Dimensions: 14.5 in x 12 in x 7 in
(36.8 cm x 30.5 cm 17.8 cm)
Learn MoreRegular Price: $550.00
Now only: $495.00
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25,000 Watt Diamond Series Voltage Transformer
Model: International DS-25000
- BEST Diamond Series 5 Year Warranty!
- Step-up 110/120 to 220/240 volts
Step-down 220v/240v to 110v/120v - Works Anywhere in the World
- Heavy Duty for Continuous Use
Using an Extra Durable Lifetime Coil - Recommended for High Value and/or Sensitive Items
- Approved and Used by USA Military
- Must be hardwired into home circuitry - does not have an outlet plug
- Weighs 65 lbs. (29.5 kg)
- Dimensions: 14.5 in x 12 in x 7 in
(36.8 cm x 30.5 cm 17.8 cm)
Learn MoreRegular Price: $695.00
Now only: $598.50
Voltage Converter Comparison Chart • Voltage Transformer Comparison Chart
Roll Over  for More Information |
Type 1 | Type 2 | Type 3 Diamond Series |
Type 4 | Type 5 Diamond Series |
| Step Down Converter |  |
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| On/Off Switch w/ Indicator Light |
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| Heavy Duty Design | |
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| Extra Strong Lifetime Copper Coil |
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| Recommended for High Value Items |
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| Extra Durable Lifetime Coil | |
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| Limited Warranty | 1 year | 1 year | 5 YEAR | 1 year | 5 YEAR |
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Dynamic Design
w/ Smart Circuitry Dynamic Design and built in smart circuitry provides multiple layers of defense against harmful surges or voltage spikes. |
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| Universal Output Plug | |
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Recommended for
Sensitive Equipment By using the highest quality transformer components, these voltage transformers protect your electronic appliances and equipment. |
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| Starting Price... | $7.99 | $9.00 | $19.80 | $30.00 | $89.88 |
| Star Rating | 4 Stars |
4½ Stars |
5 Stars |
4½ Stars |
5 Stars |
| Shop Now! | Type 1 | Type 2 | Type 3 Diamond Series |
Type 4 | Type 5 Diamond Series |
These Type 3 Voltage Converters/Transformers Feature ALL this...
Step Up & Step Down Voltage Converter
• Step Up & Step Down Converter
• Converts 110v/120v to 220v/240v volts
• Converts 220v/240v to 110v/120v volts
• 12 Available Sizes up to 5000 Watts!
• Works Anywhere in the world
• Use in USA or Overseas
• Heavy Duty for Continuous Use
• Diamond Series 5 Year Limited warranty
For more detailed information and help deciding which is right for you, see our Voltage Converter Buying Guide
Shop: Type 1 • Type 2 • Type 3 • Type 4 • Type 5
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