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Siemens SIRIUS 3RT1045-3AP00 Power Contactor — 80A AC-3, 37kW

Siemens 3RT1045-3AP00 3-pole power contactor.

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ManufacturerSiemens

Part number3RT1045-3AP00

Type Power Contactor

Manufacturer Siemens

Part Number 3RT1045-3AP00

AC-3 Current 80 A

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AC-3 switching capability 37 kW power rating at 400V 230V AC coil 3-pole configuration Size S3 Spring-type terminals

Product description

The Siemens 3RT1045-3AP00 is a 3-pole power contactor designed for AC-3 switching duties, rated for 80 amps and 37 kW at 400V. It features a 230V AC coil and is built in Size S3. This specific model utilizes spring-type terminals for reliable connections.

This contactor is suitable for controlling three-phase motors and other electrical loads in industrial applications. It is commonly found in motor control centers, power distribution systems, and machinery automation across various industries.

As a veteran-owned surplus parts distributor, Stanlo Automation offers this phased-out Siemens contactor. We provide a reliable source for hard-to-find components, ensuring you can maintain and repair your existing industrial equipment without costly system upgrades. Trust Stanlo for your automation needs.

Technical specifications

Type	Power Contactor
Manufacturer	Siemens
Part Number	3RT1045-3AP00
AC-3 Current	80 A
Power	37 kW at 400V
Coil Voltage	230 V AC
Frequency	50 Hz
Poles	3
Size	S3
Terminal Type	Spring-type
Status	Phased-out

Common applications

Motor control

Power distribution

Industrial automation

Machine building

Switchgear

Control panels

Compatible systems

Industrial motor control systems Control cabinets Power distribution units

Also known as

Siemens SIRIUS 3RT1045 3RT1045 AC Contactor Siemens S3 Contactor

Replaces / compatible with

This part is phased out. The preferred successor is the Siemens SIRIUS 3RT2038-3AP00.

Technical note

Expert tip

This model is phased out and uses spring-type terminals, requiring proper wire insertion and retention for reliable operation in demanding industrial environments.

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Frequently asked questions

What is the coil voltage for the Siemens 3RT1045-3AP00 contactor?

The Siemens 3RT1045-3AP00 power contactor operates with a 230V AC coil. This voltage is required to energize the coil and close the main contacts for switching loads.