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Siemens SIRIUS 3RT1056-6AB36

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3RT1056-6AB36

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The Siemens 3RT1056-6AB36 is a versatile contactor designed to handle substantial operational currents. It supports a rated operational power of up to 90 kW at 400 V and accommodates a control supply voltage range of 23-26 V (AC/DC).

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Technical specifications for 3RT1056-6AB36

ManufacturerSiemens
Product TypeContactor
Product LineSIRIUS
Part Number3RT1056-6AB36
UPC754554771731
Weight3.00 lbs (1.36 kg)
SeriesContactors
Rated Operational Current (AC-3)185 A
Rated Operational Power (AC-3)90 kW at 400 V
Rated Control Supply Voltage23-26 V (AC/DC)
Number of Poles3-pole configuration
Auxiliary Contacts2 Normally Open (NO) + 2 Normally Closed (NC)
SizeS6
Connection TypeBusbar connections for the main circuit
Control and Auxiliary Circuit ConnectionScrew Terminals
Surge Voltage Resistance8 kV for the main circuit and 6 kV for the auxiliary circuit
Shock Resistance8.5g/5 ms and 4.2g/10 ms for rectangular impulse
Mechanical Service Life10 million switching cycles
Maximum Installation Altitude2000 meters above sea level
Rated VoltageUp to 1000 V for the main circuit
Ambient Temperature-25°C to +60°C during operation
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The Siemens 3RT1056-6AB36 contactor efficiently manages high loads in industrial environments. It handles a rated operational current of 185 A and can deliver an operational power of 90 kW when connected to a 400 V supply. Designed with a 3-pole configuration, the contactor includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, increasing its versatility in control and automation tasks.

This model supports busbar connections for the main circuit and utilizes screw terminals for connections to control and auxiliary circuits. It possesses a surge voltage resistance rated at 8 kV for the main circuit and 6 kV for its auxiliary contacts, enhancing its reliability in fluctuating electrical environments.

The contactor is robust against mechanical stress, rated for an impressive mechanical service life of 10 million switching cycles. Furthermore, it can operate in various environmental conditions, with a defined ambient temperature range of -25°C to +60°C. The device is suitable for installations up to 2000 meters in altitude, making it adaptable to many industrial applications. The rated voltage for the main circuit extends up to 1000 V, linking it to diverse machinery and control systems.