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Siemens 3TF6844-0CP7 Vacuum Contactor - 630A

Siemens 3TF6844-0CP7 630A Vacuum Contactor, 690V, 230-276V AC Coil.

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ManufacturerSiemens
Part number3TF6844-0CP7
Manufacturer Siemens
Part Number 3TF6844-0CP7
Type Vacuum Contactor
Duty AC-3e / AC-3
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Vacuum interruption technology High breaking capacity Long electrical and mechanical life Suitable for frequent switching 4 NO + 4 NC auxiliary contacts Robust industrial design

The Siemens 3TF6844-0CP7 is a high-performance vacuum contactor rated for AC-3e/AC-3 duty. It features a main circuit capacity of 630 A and a power rating of 335 kW at 400 V, with a maximum system voltage of 690 V. This 3-pole contactor utilizes vacuum interruption technology for reliable switching in demanding applications. The control coil operates on a voltage range of 230-276 V AC (50/60 Hz).

This vacuum contactor is designed for switching medium to high-power inductive or resistive loads, commonly found in industrial motor control, power distribution, and heavy machinery applications. Its robust construction and vacuum technology ensure long electrical and mechanical life, making it suitable for frequent switching cycles. It includes conventional auxiliary contacts: 4 normally open (NO) and 4 normally closed (NC).

Stanlo Automation, a veteran-owned business specializing in surplus industrial automation parts, offers the Siemens 3TF6844-0CP7 vacuum contactor. We provide reliable access to essential components like this contactor, ensuring your systems are equipped with durable and high-quality parts to minimize operational risks.

ManufacturerSiemens
Part Number3TF6844-0CP7
TypeVacuum Contactor
DutyAC-3e / AC-3
Poles3-pole
Main Circuit Current630 A
Power Rating335 kW @ 400 V
System Voltage (Ue)690 V
Control Coil Voltage (Uc)230-276 V AC (50/60 Hz)
Auxiliary Contacts4 NO + 4 NC
TerminalsScrew terminal (control/auxiliary), Busbar (main)
Motor control
Power distribution
Industrial automation
Heavy machinery
Mining equipment
Pump and fan control
Switchgear
Compatible with Siemens PLC systems and control circuits designed for 230-276V AC coil voltage.
Siemens 630A Vacuum Contactor 3TF6844 Contactor
This contactor is designed to replace older Siemens vacuum contactors with similar ratings and specifications. Verify exact compatibility based on application requirements.
Expert tip
Proper surge suppression on the control coil circuit is recommended to protect against voltage spikes during switching.
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What is the control coil voltage for the Siemens 3TF6844-0CP7 vacuum contactor?
The Siemens 3TF6844-0CP7 vacuum contactor has a control coil voltage (Uc) of 230-276 V AC, operating on a 50/60 Hz frequency. This voltage is used to energize the coil and close the main contacts.