Siemens SIRIUS 3RT2046-1AC20 95A 45kW Power Contactor

Siemens SIRIUS 3RT2046-1AC20 95A 3-pole Power Contactor

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ManufacturerSiemens

Part number3RT2046-1AC20

Poles 3

Current Rating (AC-3e/AC-3) 95 A

Power Rating (AC-3) 45 kW @ 400 V

Coil Voltage 24 V AC (50/60 Hz)

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95A AC-3e/AC-3 rating 45kW @ 400V power 24V AC coil 1 NO + 1 NC auxiliary contacts Size S3 Screw terminals Robust construction

Product description

The Siemens SIRIUS 3RT2046-1AC20 is a robust 3-pole power contactor designed for heavy-duty industrial applications. It boasts a high operational current rating of 95A (AC-3e/AC-3) and can handle motor loads up to 45 kW at 400 V. This contactor features a 24 V AC coil, making it suitable for standard industrial control systems. It includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts for essential control and feedback functions. The Size S3 frame and screw terminals ensure secure and straightforward installation.

This contactor is widely used in motor control centers, pump stations, conveyor systems, and other demanding industrial applications where reliable switching of high-power loads is critical. Its durable construction ensures longevity in harsh environments across manufacturing, processing, and utilities sectors.

Stanlo Automation, a veteran-owned surplus parts distributor, is your reliable source for the Siemens 3RT2046-1AC20. We are dedicated to providing quality automation components and exceptional customer service to ensure your operational continuity.

Technical specifications

Poles	3
Current Rating (AC-3e/AC-3)	95 A
Power Rating (AC-3)	45 kW @ 400 V
Coil Voltage	24 V AC (50/60 Hz)
Auxiliary Contacts	1 NO + 1 NC
Terminal Type	Screw
Size	S3

Common applications

Motor Control Centers

Pump Stations

Conveyor Systems

Industrial Machinery

Manufacturing

HVAC Systems

Compatible systems

Siemens control systems Allen-Bradley ControlLogix Other systems with 24VAC control signals.

Also known as

Siemens Contactor 3RT2046-1AC20 SIRIUS Power Contactor 95A

Replaces / compatible with

This model replaces the older Siemens 3RT1046-1AC20.

Technical note

Expert tip

The 3RT2046-1AC20 is designed for direct-on-line (DOL) motor starting and FVNR (Full-Voltage Non-Reversing) applications, utilizing its 24VAC coil for control.

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Frequently asked questions

What is the current and power rating of the Siemens 3RT2046-1AC20?

The Siemens 3RT2046-1AC20 is rated for 95 Amps under AC-3e/AC-3 conditions and can switch motor loads up to 45 kW at 400 Volts.