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3RT1275-6NF36
The Siemens 3RT1275-6NF36 is a vacuum contactor designed for reliable operation in varied industrial applications. Rated for a contact current of 400 amperes and a maximum operating voltage of 1,000 volts AC, this unit manages high power ratings effectively.
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Technical specifications for 3RT1275-6NF36
| Manufacturer | Siemens |
|---|---|
| Product Type | Vacuum Contactor |
| Product Line | SIRIUS |
| Part Number | 3RT1275-6NF36 |
| UPC | 754554773957 |
| Weight | 16.00 lbs (7.26 kg) |
| Rated Contact Current | 400 Amperes |
| Control Circuit Design | Surge suppressor with varistor |
| Electrical Connection Type | Connection bar and screw-type terminals |
| Number of Poles | 3 poles |
| Protection Rating | IP20 for the front cover and IP00 for terminals and front without cover |
| Mounting Method | Screw mount |
| Ambient Operating Temperature | -25 to 60°C (in a non-condensing environment) |
| Maximum Operating Voltage | 1,000 Volts AC |
| Installation Altitude | Up to 6,561.68 feet (2,000 meters) above sea level |
| Power Rating | 560 kilowatts |
| Storage Temperature | -55 to 80°C (in a non-condensing environment) |
| Rated Contact Voltage | 1 kilovolt |
| Power Loss | Approximately 8.2 Watts at rated current |
| Contactor Size | S12 |
Featuring part number 3RT1275-6NF36, the Siemens SIRIUS series presents a vacuum contactor well-suited for demanding applications. With a rated contact current of 400 amperes, this contactor is capable of handling significant electrical loads. It supports an impressive power rating of 560 kilowatts, ensuring efficiency in performance. Its maximum operational voltage can reach up to 1,000 volts AC, suitable for high-voltage environments.
The design includes three poles, which allows for versatile installation options. A surge suppressor with a varistor is incorporated in the control circuit, providing protection against voltage transients that could harm the equipment. The electrical connections involve connection bars and screw-type terminals, ensuring reliable and secure attachments.
For physical installation, this device employs a screw mount method, and its protection ratings are specified at IP20 for the front cover, and IP00 for terminals and the front without cover. It operates effectively in ambient temperatures ranging from -25°C to 60°C in non-condensing environments. The storage temperature range extends from -55°C to 80°C, further emphasizing its durability and adaptability to various conditions.
Power loss at rated current is approximately 8.2 watts, illustrating its efficiency at handling assigned loads. In terms of installation context, the contactor is designed for locations at altitudes up to 6,561.68 feet (2,000 meters) above sea level, enabling it to be deployed in elevated conditions without performance degradation. The contactor assembly is classified as size S12, supporting streamlined integration into control systems.
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