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Siemens 3RT2026-1NB30 25A 3-Pole Contactor

Siemens 3RT2026-1NB30 25A 3-pole contactor with 21-28V AC/DC coil.

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ManufacturerSiemens

Part number3RT2026-1NB30

Type Power Contactor

AC-3e/AC-3 Rating 25A

Max Power (400V) 11 kW

Poles 3

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AC-3e/AC-3 rated 25A current 21-28V AC/DC coil 1 NO + 1 NC auxiliary contacts Integrated varistor Screw terminals

Product description

The Siemens 3RT2026-1NB30 is a 3-pole power contactor for AC-3e/AC-3 applications, rated at 25A and 11kW for 400V. It features a versatile 21-28V AC/DC coil, allowing for flexible power supply options, and includes an integrated varistor for surge suppression. This size S0 contactor is equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact and uses screw terminals for reliable connections.

This contactor is suitable for a wide range of industrial applications including motor control, lighting control, and general switching tasks. Its broad AC/DC coil voltage makes it adaptable to various power systems and control configurations in manufacturing, building services, and infrastructure projects.

Stanlo Automation, a veteran-owned surplus industrial automation parts distributor, offers the Siemens 3RT2026-1NB30. We specialize in providing quality, cost-effective components to keep your operations running smoothly. Partner with Stanlo Automation for your industrial automation needs.

Technical specifications

Type	Power Contactor
AC-3e/AC-3 Rating	25A
Max Power (400V)	11 kW
Poles	3
Coil Voltage	21-28 V AC/DC
Auxiliary Contacts	1 NO + 1 NC
Varistor	Integrated
Terminals	Screw
Size	S0

Common applications

Motor control

Industrial automation

Control panels

Building services

Lighting control

General switching

Compatible systems

AC control circuits DC control circuits Automation systems Motor control panels

Also known as

Siemens 3RT2 Contactor 3RT2026 Contactor Siemens S0 Contactor 3RT20261NB30

Replaces / compatible with

This contactor can replace Siemens 3RT series contactors with similar ratings and a broad AC/DC coil voltage requirement.

Technical note

Expert tip

The integrated varistor provides essential protection against voltage spikes, making this contactor suitable for applications where control voltage quality may be a concern.

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Frequently asked questions

What is the advantage of the 21-28V AC/DC coil on the 3RT2026-1NB30?

The wide 21-28V AC/DC coil voltage range of the Siemens 3RT2026-1NB30 offers significant flexibility. It allows the contactor to be used in systems with slightly varying AC or DC control voltages, simplifying inventory and application design.