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Block Open Frame 25 kVA Auto-Transformer, 500 V AC Primary, 400 V AC Secondary AT3 25-48/50-4
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Block |
| Length | 350mm |
| Model | AT3 25-48/50-4 |
| Depth | 280mm |
| Gross Weight | 44kg |
| Width | 192mm |
| Mount Type | Floor Standing, Chassis, Wall |
| Construction | Open Frame |
| Series | AT3 |
| Termination Type | Screw |
| Maximum Operating Temperature | 40°C |
| Primary Voltage | 500 V ac |
| Secondary Voltage | 400 V ac |
| Minimum Operating Frequency | 50Hz |
| Maximum Operating Frequency | 60Hz |
Key Features
- Open frame construction providing easy access and ventilation.
- Mounting options include floor standing, chassis, and wall installation.
- Screw termination type ensures secure electrical connections.
- Operates within a frequency range of 50 Hz to 60 Hz.
- Designed for maximum operating temperature of 40°C.
- Series AT3 design emphasizes high efficiency and low heat loss.
- Reverse operation is possible for flexible electrical configurations.
- Complies with UL 5085-1/2 CSA 22.2 standards for safety and performance.
Product Description
Block AT3 25-48/50-4 is a high quality open frame auto-transformer designed for industrial and commercial electrical applications. It features a power rating of 25 kVA, with a primary voltage of 500 V AC and a secondary voltage of 400 V AC, suitable for various power supply needs.
The open frame construction provides excellent ventilation and ease of maintenance, making it suitable for installation in varied environments. Flexible mounting options include floor standing, chassis, and wall mounting, supported by convenient mounting holes.
Equipped with secure screw terminals, it facilitates reliable electrical connections. The transformer is rated to operate efficiently over a frequency range from 50 Hz to 60 Hz and withstands a maximum operating temperature of 40°C, ensuring durability in demanding conditions.
Its compact form factor, measuring 350 mm in length, 192 mm in width, and 280 mm in depth, combined with a gross weight of 44 kg, supports stable installation and handling. The AT3 series emphasizes reduced heat loss and high efficiency, backed by BLOCKIMPEX vacuum impregnation technology for enhanced insulation.
Designed for versatility, the transformer supports reverse operation configurations. Safety is assured through compliance with UL 5085-1/2 CSA 22.2 standards, reflecting adherence to recognized industry safety and performance guidelines.
Open frame construction for superior ventilation and maintenance access. Multiple mounting options: floor, chassis, and wall. Screw terminal connections for secure electrical interface. Frequency range compatibility of 50 Hz to 60 Hz.
Maximum operating temperature rated at 40°C. Compact dimensions for ease of installation and spatial efficiency. Robust 44 kg gross weight ensuring stable positioning. High efficiency and low heat loss AT3 series design.
Supports reverse operation for flexible electrical layouts. Safety certifications: UL 5085-1/2 CSA 22.2 compliance.
This Block AT3 Auto-Transformer is ideal for use in industrial power systems, commercial electric distribution, manufacturing setups, HVAC equipment, and other applications requiring reliable voltage transformation. Its design focuses on performance, safety, and installation versatility. For comprehensive transformer and power supply solutions, explore the Electronics & Electricals category at EnvMart.
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Frequently Asked Questions
The Block AT3 25-48/50-4 has a power rating of 25 kVA.
This model features a primary voltage of 500 V AC and a secondary voltage of 400 V AC.
It operates efficiently over a frequency range of 50 Hz to 60 Hz.
The maximum operating temperature is rated at 40°C.
The transformer measures 350 mm in length, 192 mm in width, and 280 mm in depth, with a gross weight of 44 kg.
It features an open frame construction, which provides excellent ventilation and ease of maintenance.
This unit can be mounted in three ways: floor standing, chassis, or wall installation.
It is equipped with screw terminals, which facilitate reliable electrical connections.
Yes, it supports reverse operation configurations for flexible electrical layouts.
It complies with UL 5085-1/2 and CSA 22.2 standards for safety and performance.
The country of origin for this model is Germany.
This model is part of the AT3 series, which emphasizes high efficiency and low heat loss.
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