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Siemens 3RT1025-3BB40 SIRIUS 3RT Power Contactor

Siemens 3RT1025-3BB40 SIRIUS 3RT power contactor, 17A, 24V DC coil, spring terminals.

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ManufacturerSiemens

Part number3RT1025-3BB40

AC-3 Rating 17 A

Power 7.5 kW / 400 V

Poles 3

Coil Voltage 24 V DC

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AC-3 rating of 17A 7.5kW power capacity 24V DC coil Spring-type terminals Size S0 Robust connection

Product description

The Siemens 3RT1025-3BB40 is a 3-pole power contactor designed for AC-3 applications, rated for 17A and 7.5kW at 400V. This size S0 contactor features a 24V DC coil and utilizes spring-type terminals for quick and secure connections. It is a standard configuration without integrated auxiliary contacts.

This contactor is ideal for applications where fast installation is required or in environments with significant vibration, as spring terminals offer a robust connection. It is commonly used in motor control, automation systems, and industrial machinery where reliable switching is paramount.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT1025-3BB40. We are dedicated to providing access to essential and hard-to-find industrial automation components, ensuring your operations can continue efficiently with reliable parts.

Technical specifications

AC-3 Rating	17 A
Power	7.5 kW / 400 V
Poles	3
Coil Voltage	24 V DC
Terminal Type	Spring-type
Size	S0
Status	Phased-out

Common applications

Motor control

Industrial automation

Control panels

Machine building

High vibration environments

Automation systems

Compatible systems

Control circuits Motor starters Automation panels

Also known as

Siemens 3RT1025-3BB40 SIRIUS 3RT1025 3RT1025 Contactor

Replaces / compatible with

This is a phased-out product. The preferred successor type is Siemens SIRIUS 3RT2025-2BB40.

Technical note

Expert tip

The spring-type terminals on the 3RT1025-3BB40 eliminate the need for retightening screws, providing a consistently reliable connection in demanding industrial applications.

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Frequently asked questions

What type of terminals does the Siemens 3RT1025-3BB40 power contactor use?

The Siemens 3RT1025-3BB40 power contactor features spring-type terminals. It is rated for 17A AC-3 at 400V and has a 24V DC coil, making it suitable for quick and vibration-resistant installations.