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Siemens 3RT1045-1AP60 Contactor - 80A, 37kW, Dual AC Coil

Siemens 3RT1045-1AP60 is a 3-pole AC-3 power contactor with a dual-frequency coil.

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ManufacturerSiemens

Part number3RT1045-1AP60

AC-3 80 A

Power 37 kW / 400 V

Coil Voltage 220 V AC (50 Hz) / 240 V AC (60 Hz)

Poles 3

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AC-3 rating 80A 37kW at 400V Dual AC coil (220/240V) Size S3 Screw terminals 3-pole configuration

Product description

The Siemens 3RT1045-1AP60 is a 3-pole power contactor from the SIRIUS 3RT1 series, rated for AC-3 duty at 80A and 37kW at 400V. It features a dual-frequency AC coil, operating at 220V AC on 50 Hz or 240V AC on 60 Hz, and has screw terminals. This Size S3 unit is a phased-out product, with the preferred successor being the SIRIUS 3RT2038-1AP60.

This contactor is designed for applications where the power system frequency might vary or where dual-frequency control is required. It is suitable for motor control and other high-power switching applications in diverse industrial environments.

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Technical specifications

AC-3	80 A
Power	37 kW / 400 V
Coil Voltage	220 V AC (50 Hz) / 240 V AC (60 Hz)
Poles	3
Size	S3
Terminals	Screw

Common applications

Motor control

Industrial automation

Global applications

Power switching

Control panels

Compatible systems

Compatible with Siemens SIRIUS 3RT1 accessories and control systems requiring 220V AC (50Hz) or 240V AC (60Hz) coil control.

Also known as

Siemens 3RT1045-AP60 SIRIUS 3RT1

Replaces / compatible with

This part is a phased-out product. The preferred successor is the Siemens SIRIUS 3RT2038-1AP60.

Technical note

Expert tip

Ensure the control voltage supply matches either 220V AC at 50Hz or 240V AC at 60Hz for correct operation.

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Frequently asked questions

What are the coil voltage options for the Siemens 3RT1045-1AP60 contactor?

The Siemens 3RT1045-1AP60 features a dual-frequency AC coil, allowing it to operate at 220V AC on 50 Hz or 240V AC on 60 Hz, providing flexibility for different power systems.