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Siemens SIRIUS 3RT1266-6AV36

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3RT1266-6AV36

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The Siemens 3RT1266-6AV36 is a vacuum contactor within the SIRIUS series, designed for robust industrial applications. It operates efficiently with a coil voltage between 380 to 420 Volts AC and supports a contact current rating of 300 Amperes.

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Technical specifications for 3RT1266-6AV36

ManufacturerSiemens
Product TypeVacuum Contactor
Product LineSIRIUS
Part Number3RT1266-6AV36
UPC754554773094
Weight14.00 lbs (6.35 kg)
Contactor SizeS10
Coil Voltage380 to 420 Volts AC
Contact Voltage Rating1 kilovolt
Maximum Operating Voltage1,000 Volts AC
Ambient Operating Temperature-25 to 60°C (in a non-condensing environment)
Power LossApproximately 8.2 Watts at rated current
Contact Current Rating300 Amperes
Storage Temperature-55 to 80°C (in a non-condensing environment)
Power Rating400 kilowatts
Number of Poles3 poles
Electrical Connection TypeConnection bar and screw-type terminals
Number of Contacts For The Main Contacts3 Normally-Open (NO) contacts
Installation AltitudeUp to 6,561.68 feet (2,000 meters) above sea level
Protection RatingIP20 for the front cover and IP00 for the terminal and the front with no cover

The 3RT1266-6AV36 vacuum contactor from Siemens is a robust component designed for demanding industrial environments. Constructed in accordance with the SIRIUS series specifications, this device offers a substantial contact current rating of up to 300 Amperes. The coil operates effectively within a voltage range of 380 to 420 Volts AC. With a maximum operating voltage capacity of 1,000 Volts AC, it is well-suited for a wide array of applications.

The device features three normally-open (NO) main contacts and is rated to manage power loads of 400 kilowatts. Its operation is efficient, consuming approximately 8.2 Watts under rated current conditions. Designed for varied environmental conditions, the contactor functions optimally in temperatures ranging from -25 to 60°C in non-condensing environments. For storage, it tolerates conditions between -55 to 80°C without affecting performance. The contactor’s mounting capabilities extend to altitudes of up to 6,561.68 feet (2,000 meters), providing flexibility in installation.

Electrical connections are facilitated through connection bars and screw-type terminals, ensuring reliable and robust connectivity. Regarding protection, this model has an IP20 rating for the front cover, while terminals and areas without covers maintain an IP00 rating. The intellectual design of the 3RT1266-6AV36 makes it a dependable component for industrial electrical applications requiring precision and reliability.