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Siemens SIRIUS 3RT2045-1AR60 80A 37kW Power Contactor

Siemens SIRIUS 3RT2045-1AR60 80A 3-pole Power Contactor

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ManufacturerSiemens

Part number3RT2045-1AR60

Poles 3

Current Rating (AC-3e/AC-3) 80 A

Power Rating (AC-3) 37 kW @ 400 V

Coil Voltage 400 V AC (50/60 Hz)

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AC-3e/AC-3 rating 80A operational current 37kW @ 400V power 400V AC coil 1 NO + 1 NC auxiliary contacts Size S3 Screw terminals

Product description

The Siemens SIRIUS 3RT2045-1AR60 is a high-performance, 3-pole power contactor designed for reliable switching of motor loads and other industrial applications. It features an AC-3e/AC-3 rating of 80A and can handle motor power up to 37 kW at 400 V. This contactor operates on a 400 V AC coil (50 Hz or 400-440 V AC at 60 Hz) and includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts for control and signaling circuits. Its compact Size S3 design with screw terminals ensures easy installation.

This power contactor is ideal for a wide range of applications, including motor control centers, pump stations, conveyor systems, and HVAC control panels. Its robust construction and adherence to IEC standards make it suitable for demanding industrial environments across various sectors such as manufacturing, processing, and building automation.

Source your Siemens 3RT2045-1AR60 contactor from Stanlo Automation, a veteran-owned surplus parts distributor committed to providing quality components and exceptional service. We ensure reliable sourcing and fast delivery to keep your operations running smoothly.

Technical specifications

Poles	3
Current Rating (AC-3e/AC-3)	80 A
Power Rating (AC-3)	37 kW @ 400 V
Coil Voltage	400 V AC (50/60 Hz)
Auxiliary Contacts	1 NO + 1 NC
Terminal Type	Screw
Size	S3
Mounting	DIN Rail / Surface

Common applications

Motor Control Centers

Pump Stations

Conveyor Systems

HVAC Control Panels

Industrial Automation

Manufacturing Equipment

Compatible systems

Compatible with Siemens SIRIUS 3RT accessories and overload relays.

Also known as

Siemens Contactor 3RT2045-1AR60 SIRIUS Power Contactor S3

Replaces / compatible with

Compatible with Siemens SIRIUS 3RT series accessories and related components.

Technical note

Expert tip

The 3RT2045-1AR60 utilizes screw terminals, ensuring a secure connection for demanding industrial environments. Ensure proper torque is applied for reliable operation.

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Frequently asked questions

What are the key specifications of the Siemens 3RT2045-1AR60 power contactor?

The Siemens 3RT2045-1AR60 is a 3-pole power contactor with an AC-3e/AC-3 rating of 80A, handling up to 37kW at 400V. It features a 400V AC coil, 1 NO + 1 NC auxiliary contacts, and screw terminals in Size S3.