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Block Open Frame 15 kVA Auto-Transformer 500 V AC Primary 480 V Secondary AT3 15-48/50-4
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Block |
| Length | 315mm |
| Model | AT3 15-48/50-4 |
| Depth | 250mm |
| Gross Weight | 29.4kg |
| Width | 165mm |
| Mount Type | Floor Standing, Wall, Chassis |
| Construction | Open Frame |
| Termination Type | Screw |
| Maximum Operating Temperature | 40°C |
| Pay online using | Or choose to pay later via bank transfer |
| Primary Voltage | 500 V ac, 480 V |
| Secondary Voltage | 400 V ac |
| Minimum Operating Frequency | 50Hz |
| Maximum Operating Frequency | 60Hz |
Key Features
- Open frame construction ensures efficient heat dissipation and durability.
- Mounting options include floor standing, wall, and chassis for versatile installation.
- Screw termination type enables secure electrical connections.
- Operates within frequency range of 50 Hz to 60 Hz and max temperature of 40°C.
- Includes BLOCKIMPEX vacuum impregnation and tested to EN 61558-2-13 for quality assurance.
- Reverse operation is possible, enhancing application flexibility.
Product Description
Block AT3 15-48/50-4 model auto-transformer is a rugged open frame 3-phase transformer rated at 15 kVA, designed for industrial and commercial power supply applications. It provides a primary voltage of 500 V AC (also compatible with 480 V) and a secondary voltage of 400 V AC, making it suitable for stable voltage transformation needs.
The transformer employs an open frame construction that facilitates low heat loss and high efficiency, aided by BLOCKIMPEX vacuum impregnation to enhance insulation and durability. Mounting is flexible with options for floor standing, wall, or chassis installation to meet varied site requirements.
Terminal connections use screw type terminations for secure and reliable electrical contacts. The device operates safely within a frequency range of 50 to 60 Hz and withstands maximum ambient temperatures of 40°C. Dimensionally compact, its 315 mm length, 250 mm depth, and 165 mm width allow installation in standard control panels and machinery.
Certified to multiple international standards including CSA 22.2, UL 506, VDE 0532, and IEC 61558-2-13, the AT3 15-48/50-4 ensures compliance with safety and performance benchmarks. The transformer weighs 29.4 kg, reflecting solid industrial-grade materials and construction.
Additional technical advantages include common input and output windings for phase efficiency, easy installation aided by mounting holes, and the ability to operate in reverse polarity if required. These characteristics make it ideal for industrial machinery, manufacturing setups, power distribution, and HVAC systems.
Open frame construction reduces heat loss and enhances efficiency. Multiple mounting methods for installation versatility. Screw terminations provide secure electrical connections. Operates at 50-60 Hz frequency and max 40°C temperature.
Compact dimensions fit standard industrial spaces. Comprehensive safety certifications for assured quality. Vacuum impregnation improves insulation and longevity. Reverse operation capability adds application flexibility.
Explore our selection of industrial Auto-Transformers for efficient and reliable power supply solutions, backed by quality standards and engineering precision.
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Frequently Asked Questions
The Block AT3 15-48/50-4 auto-transformer is rated at 15 kVA, suitable for industrial and commercial power supply applications.
It has a primary voltage rating of 500 V AC, compatible with 480 V, and a secondary voltage rating of 400 V AC.
The maximum operating temperature for this auto-transformer is 40°C.
This model offers flexible mounting options, including floor standing, wall, and chassis installation.
It uses screw type terminations for secure and reliable electrical connections.
The auto-transformer operates within a frequency range of 50 Hz to 60 Hz.
The dimensions of the Block AT3 15-48/50-4 are 315 mm in length, 250 mm in depth, and 165 mm in width.
It is certified to multiple international standards including CSA 22.2, UL 506, VDE 0532, and IEC 61558-2-13.
The gross weight of the transformer is 29.4 kg.
Yes, this model has the capability to operate in reverse polarity, enhancing application flexibility.
It features an open frame construction, which facilitates efficient heat dissipation and durability.
The BLOCKIMPEX vacuum impregnation enhances insulation and durability of the transformer.
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