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3RT1275-6AP36
The Siemens 3RT1275-6AP36 model is a vacuum contactor rated at a current of 400 A. This product is engineered to work effectively with a power output of 200 kW and supports both AC and DC supply voltages of 400 volts.
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Technical specifications for 3RT1275-6AP36
| Manufacturer | Siemens |
|---|---|
| Product Type | Vacuum Contactor |
| Product Line | SIRIUS |
| Part Number | 3RT1275-6AP36 |
| UPC | 754554773179 |
| Weight | 23.00 lbs (10.43 kg) |
| Rated Current | 400 A |
| Rated Power | 200 kW |
| Supply Voltage | 400 V AC (50-60 Hz) / DC |
| Number of Poles | 3 |
| Auxiliary Contacts | 2 NO + 2 NC |
| Control Method | Busbar control and screw terminal |
| Product Size | S12 |
| Power Loss | 63 W at rated value of current (AC hot operating state) |
| Surge Voltage Resistance | 8 kV (main circuit), 6 kV (auxiliary circuit) |
| Shock Resistance | 8.5g / 5 ms, 4.2g / 10 ms (AC and DC) |
| Mechanical Service Life | 10,000,000 switching cycles (typical) |
| Operating Temperature | -25°C to +60°C (operation), -55°C to +80°C (storage) |
| Installation Altitude | Up to 2,000 m above sea level |
Siemens' 3RT1275-6AP36 contactor is designed as a vacuum contactor, perfect for controlling significant electrical loads. With a rated current of 400 A and a power rating of 200 kW, it efficiently manages a supply voltage of 400 V AC within a frequency range of 50-60 Hz, and is also compatible with DC applications.
This vacuum contactor features three poles and is equipped with auxiliary contacts that include two normally open and two normally closed options, enhancing its versatility in various configurations. The control can be managed through busbar or screw terminals, offering flexibility in installation. In typical operational scenarios, the power loss reaches 63 W in an AC hot operating state, ensuring effective energy management.
The 3RT1275-6AP36 exhibits impressive surge voltage resistance, rated at 8 kV for the main circuit and 6 kV for the auxiliary circuit. It also withstands significant shock, rated at 8.5g for 5 milliseconds and 4.2g for 10 milliseconds, ensuring reliable performance in dynamic environments.
Thermal resilience is another key asset, operating within a temperature range of -25°C to +60°C during operation and capable of storage in conditions between -55°C and +80°C. This contactor can be installed at altitudes up to 2,000 meters, allowing versatility across different industrial conditions. With a mechanical service life estimate of around 10 million cycles, the Siemens 3RT1275-6AP36 ensures prolonged, dependable operation in demanding applications.
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