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Siemens 3RT1045-1AK60 Contactor - 80A, 110/120V AC Coil

Siemens 3RT1045-1AK60 3-Pole Power Contactor

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ManufacturerSiemens

Part number3RT1045-1AK60

AC-3 Rating 80 A

Power 37 kW / 400 V

Coil Voltage 110/120 V AC (50/60 Hz)

Poles 3

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80A AC-3 rating 37kW power at 400V 110/120V AC 50/60Hz coil 3-pole configuration Size S3 SIRIUS series Screw terminals

Product description

The Siemens 3RT1045-1AK60 is a 3-pole power contactor from the SIRIUS series, designed for robust industrial motor control. It is rated for 80 Amps AC-3 and 37 kW at 400 Volts. This Size S3 contactor is equipped with a versatile 110/120V AC coil that operates on both 50 Hz and 60 Hz, and features screw terminals for secure connections.

This contactor is ideal for a wide array of applications in manufacturing, automation, and power distribution. The dual-voltage coil (110/120V AC) provides flexibility for use in systems with different power frequencies. Its 80A rating ensures reliable performance for significant three-phase motor loads.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3RT1045-1AK60. We pride ourselves on providing quality components and exceptional customer support. Source your essential Siemens automation parts from Stanlo Automation for reliable and cost-effective solutions.

Technical specifications

AC-3 Rating	80 A
Power	37 kW / 400 V
Coil Voltage	110/120 V AC (50/60 Hz)
Poles	3
Size	S3
Terminals	Screw

Common applications

Motor control

Three-phase motors

Industrial automation

Manufacturing

Power distribution

Control panels

Compatible systems

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

Also known as

SIRIUS 3RT1045-1AK60 Siemens 80A Contactor

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RT2038-1AK60.

Technical note

Expert tip

The 110/120V AC coil voltage provides flexibility for international applications or systems operating at different standard frequencies.

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Frequently asked questions

What is the coil voltage range for the Siemens 3RT1045-1AK60 contactor?

The Siemens 3RT1045-1AK60 power contactor features a coil voltage of 110/120V AC, making it compatible with both 50 Hz and 60 Hz power systems.