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Siemens 3RT2025-1FB44-3MA0 Contactor — 17A 7.5kW 24V DC

Siemens 3RT2025-1FB44-3MA0 3-pole power contactor with diode and captive switch.

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ManufacturerSiemens

Part number3RT2025-1FB44-3MA0

Type Power Contactor

AC-3e/AC-3 Rating 17A, 7.5kW @ 400V

Poles 3

Coil Voltage 24V DC

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AC-3e/AC-3 motor rating 3-pole configuration 2 NO + 2 NC captive auxiliary contacts 24V DC coil Plugged-in diode combination S0 frame size

Product description

The Siemens 3RT2025-1FB44-3MA0 is a 3-pole power contactor designed for AC-3e/AC-3 applications, rated for 17 A and 7.5 kW at 400 V. This S0-sized contactor operates with a 24 V DC coil and features a plugged-in diode combination for coil suppression. It comes equipped with 2 NO + 2 NC auxiliary contacts and a captive auxiliary switch.

This contactor is ideal for industrial automation and motor control where a 24V DC coil is needed, coupled with enhanced suppression and a robust auxiliary contact setup. The captive switch design ensures reliability in demanding environments.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT2025-1FB44-3MA0. We are committed to providing quality industrial automation components. Source your essential parts from Stanlo and ensure your systems remain operational.

Technical specifications

Type	Power Contactor
AC-3e/AC-3 Rating	17A, 7.5kW @ 400V
Poles	3
Coil Voltage	24V DC
Auxiliary Contacts	2 NO + 2 NC
Terminal Type	Screw
Size	S0

Common applications

Motor control

Industrial automation

Control panels

PLC applications

Machine safety

Power switching

Compatible systems

Industrial control systems PLC outputs Motor starter circuits Automation panels

Also known as

Siemens 3RT2025-1FB44-3MA0 SIRIUS 3RT2025-1FB44-3MA0 Siemens 17A DC Contactor

Replaces / compatible with

Suitable for applications requiring a 24V DC coil, built-in surge suppression, and reliable captive auxiliary contacts. Compatible with Siemens SIRIUS 3RT2 accessories.

Technical note

Expert tip

The combination of a 24V DC coil, integrated diode suppression, and captive auxiliary contacts makes this a highly reliable choice for demanding automation applications.

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Frequently asked questions

Does the Siemens 3RT2025-1FB44-3MA0 have surge suppression built-in?

Yes, the Siemens 3RT2025-1FB44-3MA0 features a plugged-in diode combination for coil suppression, protecting the control circuit from voltage spikes when the coil is de-energized. It also has a captive auxiliary switch.