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Siemens 3RT1045-1AF00 Power Contactor - 80A, 110V AC Coil

Siemens 3RT1045-1AF00 3-Pole Power Contactor

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ManufacturerSiemens

Part number3RT1045-1AF00

AC-3 Rating 80 A

Power 37 kW / 400 V

Coil Voltage 110 V AC

Poles 3

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80A AC-3 rating 37kW power at 400V 110V AC control coil 3-pole configuration Size S3 SIRIUS series Screw terminals

Product description

The Siemens 3RT1045-1AF00 is a 3-pole power contactor within the renowned SIRIUS line. It is rated for AC-3 duty at 80 Amps and handles 37 kW of power at 400 Volts. This Size S3 contactor utilizes a 110V AC coil for its control circuit and features standard screw terminals for reliable connections. It is designed for general industrial applications requiring robust motor control.

This contactor is well-suited for switching motors and loads in industrial automation, manufacturing, and process control systems. The 110V AC coil is a common control voltage, facilitating integration into many existing electrical control systems and panels. Its 80A rating ensures dependable operation for a wide range of three-phase motor applications.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3RT1045-1AF00. We are dedicated to providing high-quality components and exceptional customer service. Source your critical automation needs from Stanlo Automation and benefit from our expertise and competitive pricing.

Technical specifications

AC-3 Rating	80 A
Power	37 kW / 400 V
Coil Voltage	110 V AC
Poles	3
Size	S3
Terminals	Screw

Common applications

Motor control

Three-phase motors

Industrial automation

Manufacturing

Control panels

Power switching

Compatible systems

Siemens SIRIUS motor starters Industrial control systems 35mm DIN rail mounting

Also known as

SIRIUS 3RT1045-1AF00 Siemens 80A Contactor

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RT2038-1AF00.

Technical note

Expert tip

The 110V AC coil voltage is standard for many control systems, ensuring broad compatibility.

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Frequently asked questions

What is the typical application for the Siemens 3RT1045-1AF00 power contactor?

The Siemens 3RT1045-1AF00 is typically used for switching three-phase motors and other industrial loads. Its 80A rating and 110V AC coil make it suitable for many standard motor control applications.