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Siemens 3RT1275-6AP36 400A 3-Pole Vacuum Contactor

Siemens 3RT1275-6AP36 3-Pole Vacuum Contactor

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ManufacturerSiemens

Part number3RT1275-6AP36

Type Vacuum Contactor

Poles 3

Amperage 400A (AC-3e/AC-3)

Voltage 400V

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Vacuum interrupter for arc suppression High current rating (400A AC-3e/AC-3) Robust construction for industrial use Integrated auxiliary contacts (2 NO + 2 NC) Suitable for motor control up to 200 kW

Product description

The Siemens 3RT1275-6AP36 is a high-performance vacuum contactor designed for robust AC-3e/AC-3 applications. It features a 400A rating at 400V, capable of handling up to 200 kW motor loads. This 3-pole contactor operates with a 220-240V AC/DC coil and includes conventional auxiliary contacts (2 NO + 2 NC) for integrated control and signaling.

This vacuum contactor is ideal for demanding motor control applications where reliable switching and arc suppression are critical. It finds use in various industries including manufacturing, material handling, and power distribution, ensuring safe and efficient operation of heavy-duty machinery.

Source your Siemens 3RT1275-6AP36 from Stanlo Automation, a veteran-owned surplus parts distributor. We offer competitive pricing and reliable service to meet your industrial automation needs. Our team is dedicated to providing quality components and exceptional customer support.

Technical specifications

Type	Vacuum Contactor
Poles	3
Amperage	400A (AC-3e/AC-3)
Voltage	400V
Motor Power	200 kW
Coil Voltage	220-240V AC/DC
Auxiliary Contacts	2 NO + 2 NC
Main Circuit	Busbar
Control Circuit	Screw Terminal
Size	S12

Common applications

Motor control

Industrial machinery

Power distribution

Material handling

Manufacturing automation

Compatible systems

Siemens SIRIUS 3RT12 system components

Also known as

Siemens SIRIUS 3RT12 Vacuum Contactor 3RT1275 400A Vacuum Contactor

Replaces / compatible with

This contactor is part of the Siemens SIRIUS 3RT12 series and can be used as a direct replacement for other contactors within this range, provided specifications match.

Technical note

Expert tip

Ensure proper busbar connection and torque settings for reliable operation and safety.

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Frequently asked questions

What is the coil voltage for the Siemens 3RT1275-6AP36?

The Siemens 3RT1275-6AP36 vacuum contactor features a coil voltage of 220-240V AC/DC. This allows for flexible integration into various control systems.