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Siemens SIRIUS 3RT1466-6AP36

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3RT1466-6AP36

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The Siemens 3RT1466-6AP36 is classified as a power contactor within the 3RT14 series. This component is designed to handle an operational current of 400 A at 690 V under standard conditions but can carry 380 A at higher ambient temperatures between 55°C and 60°C.

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Technical specifications for 3RT1466-6AP36

ManufacturerSiemens
Product Type3RT14 Series Power Contactor
Product LineSIRIUS
Part Number3RT1466-6AP36
UPC754554773452
Weight2.75 lbs (1.25 kg)
SeriesContactors
AC-1 Operational Current Capacity400 A (690 V, 40°C); 380 A (690 V, 55-60°C)
Main Circuit Voltage Rating690 V AC, 3-pole
Control Circuit Voltage Range220–240 V AC/DC (50-60 Hz), with 0.8–1.1 operating range factor
Auxiliary Contact Configuration2 Normally Open (NO) + 2 Normally Closed (NC)
Power Dissipation at Rated Load105.6 W (total), 35.2 W per pole
Mechanical Durability10 million switching cycles (standard)
Surge Voltage Withstand8 kV (main circuit), 6 kV (auxiliary circuit)
Operating Temperature Range-25°C to +60°C (ambient)
Main Circuit ConnectionBusbar (25 mm width, 6 mm thickness) for 70–240 mm² conductors
Short-Circuit Protection RequirementsgG fuses (500 A, 690 V, 100 kA) for main circuit coordination
Insulation Voltage Rating1000 V (main circuit), 500 V (control/auxiliary circuit)
Switching Frequency (AC-1)Up to 600 operations/hour
Environmental Protection RatingIP00 (front); IP20 with terminal cover
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The 3RT1466-6AP36 from Siemens is a robust power contactor designed for effective operation in industrial environments. It can manage an AC-1 operational current capacity of 400 A at a temperature of 40°C and can sustain 380 A when the temperature rises to 55°C or 60°C. Significantly, this contactor supports a main circuit voltage of 690 V AC and includes three poles.

The control circuit functions efficiently within a voltage range of 220–240 V AC/DC at 50-60 Hz, able to utilize an operating range factor of 0.8 to 1.1. Two normally open and two normally closed auxiliary contacts allow for versatile integration into various control systems. Power dissipation at a rated load totals 105.6 W, with each pole dissipating approximately 35.2 W.

This contactor has been engineered for extensive mechanical durability, rated for approximately 10 million switching cycles under standard conditions. For instances of electrical surges, it can withstand a peak surge voltage of 8 kV on the main circuit and 6 kV on the auxiliary. It is designed to function within an ambient temperature range from -25°C to +60°C.

For connectivity, the main circuit connection utilizes a busbar designed to accommodate conductors with dimensions ranging from 70 mm² to 240 mm², supported by a busbar of 25 mm width and 6 mm thickness. Adhering to safety standards, short-circuit protection requires gG fuses rated at 500 A, 690 V for effective coordination.

Insulation voltage ratings stand at 1000 V for the main circuit and 500 V for the control and auxiliary circuits. Capable of achieving a switching frequency of up to 600 operations per hour, this contactor adheres to environmental protection classifications of IP00 at the front and IP20 when equipped with a terminal cover, emphasizing its suitability for various applications.