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Siemens 3RT1266-6AF36 Vacuum Contactor | 110-127V Coil

Siemens 3RT1266-6AF36 Vacuum Contactor

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ManufacturerSiemens

Part number3RT1266-6AF36

Part Number 3RT1266-6AF36

Manufacturer Siemens

Product Type Vacuum Contactor

Poles 3

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AC-3e/AC-3 rated up to 300A 160kW power capability at 400V 110-127V AC/DC coil 2 NO + 2 NC auxiliary contacts Vacuum interrupter technology Screw terminals for control/aux circuits

Product description

The Siemens 3RT1266-6AF36 is a 3-pole vacuum contactor rated for AC-3e/AC-3 applications, capable of handling 300A at 400V with a power output of 160kW. This model features a coil voltage of 110-127V AC/DC and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. The main circuit uses busbar connections, and the control and auxiliary circuits are equipped with screw terminals.

This vacuum contactor is designed for high-power industrial applications, including heavy-duty motor control, power switching, and automation systems in sectors such as manufacturing, processing plants, and infrastructure projects where reliable and robust switching is essential.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT1266-6AF36 to meet your industrial automation requirements. We provide access to quality surplus components, competitive pricing, and dedicated support to ensure your operations remain efficient and uninterrupted.

Technical specifications

Part Number	3RT1266-6AF36
Manufacturer	Siemens
Product Type	Vacuum Contactor
Poles	3
AC-3e/AC-3 Rating	300 A
Power Rating	160 kW / 400 V
Coil Voltage (Uc)	110-127 V AC/DC
Auxiliary Contacts	2 NO + 2 NC
Main Circuit Connection	Busbar
Control/Aux Circuit Terminal	Screw Terminal

Common applications

Motor Control

Power Switching

Industrial Automation

Manufacturing

Processing Plants

Infrastructure

Heavy Duty Applications

Compatible systems

Compatible with Siemens SIRIUS control units and accessories.

Also known as

Siemens 3RT1266 SIRIUS 3RT12 Vacuum Contactor Siemens 300A Vacuum Contactor

Replaces / compatible with

This vacuum contactor is part of the Siemens SIRIUS 3RT series and is designed for applications requiring enhanced switching performance and lifespan.

Technical note

Expert tip

The use of screw terminals on the auxiliary and control circuits ensures a secure and reliable connection, minimizing the risk of loose connections in vibration-prone industrial settings.

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Frequently asked questions

What is the coil voltage for the Siemens 3RT1266-6AF36 vacuum contactor?

The Siemens 3RT1266-6AF36 vacuum contactor operates with a coil voltage (Uc) of 110-127V AC/DC. This voltage is commonly used in industrial control systems for reliable operation.