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Block Open Frame 10 kVA Auto-Transformer 208 V ac Input 200 V Primary 400 V ac Secondary AT3 10-20/21-4
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Block |
| Length | 350mm |
| Model | AT3 10-20/21-4 |
| Depth | 280mm |
| Gross Weight | 47.6kg |
| Width | 192mm |
| Mount Type | Chassis, Wall, Floor Standing |
| Construction | Open Frame |
| Termination Type | Screw |
| Maximum Operating Temperature | 40°C |
| Standards/Approvals | C-UL-US |
| Primary Voltage | 208 V ac, 200 V |
| Secondary Voltage | 400 V ac |
| Minimum Operating Frequency | 50Hz |
| Maximum Operating Frequency | 60Hz |
Key Features
- High efficiency low heat loss three-phase design for stable performance.
- Open frame construction suitable for chassis, wall, and floor mounting.
- Screw terminal connections ensure reliable electrical contact.
- Operates within 50 Hz to 60 Hz frequency range.
- Maximum operating temperature of 40°C for safe continuous use.
- Robust weight of 47.6 kg ensures durable build quality.
- Tested and approved to C-UL-US and UL 5085-1/2 CSA 22.2 standards.
- Designed and manufactured in Germany ensuring premium quality.
Product Description
Block AT3 10-20/21-4 Open Frame Auto-Transformer delivers reliable 10 kVA power capacity with a primary voltage input of 208 V AC and 200 V nominal primary voltage, stepping up to 400 V AC secondary output. This open frame auto-transformer is designed for industrial and electrical applications requiring efficient voltage transformation with low heat dissipation.
The transformer supports three-phase power efficiently, providing stable output for industrial, laboratory, and commercial power supply needs. It features an open frame construction suitable for versatile mounting options including chassis, wall, or floor standing installations. The screw termination type allows for secure and easy wiring connections.
Operating within a frequency range of 50 Hz to 60 Hz, this unit is rated for a maximum temperature of 40°C, ensuring safe performance under continuous operation. Its compact form factor with dimensions 350 mm (L) x 192 mm (W) x 280 mm (D) and weight of 47.6 kg makes it manageable for installation without compromising structural integrity.
The Block AT3 series auto-transformers use vacuum impregnation technology for enhanced insulation and durability. This model is compliant with international safety standards including UL 5085-1/2 and CSA 22.2, certified under C-UL-US approvals, reflecting rigorous quality assurance and safety.
High efficiency low heat loss design for energy savings. Open frame chassis with multiple mounting options. Screw terminal connections for secure wiring. Frequency operation range suitable for global power systems. Compact size suited for limited space installations.
Robust weight ensuring stability and durability. Compliant with international safety standards for transformers. Manufactured in Germany with advanced technology. Ideal for industrial, HVAC, manufacturing, and power supply applications.
This Auto-Transformer is an excellent choice for replacing or upgrading your electrical supply components with a reliable, tested, and certified product from Block. Browse EnvMart for more transformers and industrial electrical components.
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Frequently Asked Questions
This model delivers a power capacity of 10 kVA.
It has a primary voltage input of 208 V AC and a nominal primary voltage of 200 V, stepping up to a secondary output of 400 V AC.
This unit operates within a frequency range of 50 Hz to 60 Hz.
The dimensions are 350 mm in length, 192 mm in width, and 280 mm in depth.
The maximum operating temperature is 40°C.
It features an open frame construction suitable for chassis, wall, or floor standing installations.
It uses screw terminal connections for secure and easy wiring.
It is compliant with C-UL-US approvals and meets UL 5085-1/2 and CSA 22.2 standards.
The gross weight of this model is 47.6 kg.
This transformer is designed for industrial, laboratory, and commercial power supply applications.
It features an open frame construction, which allows for versatile mounting options.
This model is designed and manufactured in Germany.
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