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Siemens 3RT2045-1AF04 Power Contactor - 80A, 37kW, 110V AC, 2NO/2NC

Siemens 3RT2045-1AF04: 80A, 37kW 3-pole power contactor, 110V AC coil, 2NO/2NC aux.

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ManufacturerSiemens
Part number3RT2045-1AF04
Rated operational current AC-3e/AC-3 80 A
Rated power AC-3 (at 400 V) 37 kW
Poles 3
Coil voltage 110 V AC 50 Hz
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AC-3e/AC-3 rated operation 80A current rating 37kW power capacity 110V AC coil 2 NO + 2 NC auxiliary contacts Removable auxiliary switch S3 frame size

The Siemens 3RT2045-1AF04 is a 3-pole power contactor designed for AC-3e/AC-3 duty, with an 80A rating and 37 kW power capacity at 400V. This S3 frame size contactor features a 110V AC coil and is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. It also includes a removable auxiliary switch for added flexibility. The main circuit connections are made via screw terminals.

This contactor is suitable for a broad range of industrial applications requiring reliable power switching and control. The inclusion of 2 NO and 2 NC auxiliary contacts allows for more complex control logic and status feedback within automation systems. The removable auxiliary switch provides an easy way to add or change auxiliary contacts without replacing the entire contactor, enhancing its adaptability.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT2045-1AF04, providing access to quality industrial components. We understand the importance of reliable equipment in automation and are committed to supplying functional surplus parts to meet your operational needs. Partner with Stanlo Automation for your industrial automation requirements and benefit from our dedication to service and quality.

Rated operational current AC-3e/AC-380 A
Rated power AC-3 (at 400 V)37 kW
Poles3
Coil voltage110 V AC 50 Hz
Auxiliary contacts2 NO + 2 NC
Terminal typeScrew
Frame sizeS3
Removable auxiliary switchYes
Motor control
Load switching
Industrial automation
Control panels
Manufacturing automation
Power distribution
Machine control
Industrial control systems utilizing 110V AC control circuits and requiring extensive auxiliary contact configurations.
Siemens 3RT2045-1AF04 Contactor SIRIUS 3RT20 Contactor Siemens 80A 110V AC Contactor 3RT2045-1AF04
This contactor is suitable for replacing other Siemens SIRIUS 3RT20 series contactors with similar specifications and coil voltage. It can be used with various Siemens auxiliary contact modules.
Expert tip
The removable auxiliary switch on the 3RT2045-1AF04 simplifies retrofitting or changing auxiliary contact configurations without needing to remove the main contactor from its mounting.
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What are the auxiliary contact configurations available for the Siemens 3RT2045-1AF04?
The Siemens 3RT2045-1AF04 comes with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. It also features a removable auxiliary switch for added flexibility in configuring auxiliary functions.