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Siemens SIRIUS 3RT1066-6NB36

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3RT1066-6NB36

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The Siemens 3RT1066-6NB36 is a robust power contactor designed for efficient control in industrial applications. It can handle operational currents of up to 330 A at 400 V and supports a substantial insulation voltage rating of 1000 V.

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Technical specifications for 3RT1066-6NB36

ManufacturerSiemens
Product LineSIRIUS
Part Number3RT1066-6NB36
UPC754554773766
Weight14.00 lbs (6.35 kg)
ProductPower Contactor
Power Loss at AC in Hot Operating State66 W
Power Loss at AC in Hot Operating State per Pole22 W
Insulation Voltage1000 V
Surge Voltage Resistance8 kV
Shock Resistance8.5g/5ms
Operational Current at 400 V330 A
Minimum Cross Section in Main Circuit185 mm²
Operating Power at 230 V90 kW
No Load Switching Frequency1000 1/h
Design of Surge SuppressorWith Varistor
Apparent Pick Up Power of Magnet Coil at AC530 VA
Apparent Holding Power5.5 VA
Number of Contacts2NO and 2NC
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Siemens' 3RT1066-6NB36 contactor is engineered as a power contactor, suitable for various electrical distribution and control applications. It supports an operational current of 330 A when used with a 400 V system, making it a practical choice for high-capacity installations. This contactor also requires a 1000 V insulation rating, ensuring safe operation even under heavy loads.

The product is designed to withstand an impressive surge voltage of up to 8 kV, which helps protect against voltage spikes during operation. Additionally, it can endure shocks of up to 8.5g throughout 5 milliseconds, making it suitable for robust industrial environments.

Weight is an essential factor in handling and installation; the 3RT1066-6NB36 weighs 6.52 kg. It is capable of handling a significant operating power of 90 kW at 230 V, which plays a crucial role in numerous setups.

Switching frequency without load can reach up to 1000 actions per hour. This unit features a surge suppressor designed with a varistor for better overvoltage protection. The magnet coil draws an apparent pickup power of 530 VA, while its holding power is rated at 5.5 VA.

This power contactor incorporates two normally open (2NO) and two normally closed (2NC) contacts, providing versatility in control schematics.