---
title: "3TF6944-8CM7 Contactor size 14, 3-pole, AC-3, 450 kW, 400/380 V (1000 V) (4 NO + 4 NC)"
category: "Drives > Frequency converters"
---

**Kategorie:** Drives > Frequency converters

# 3TF6944-8CM7 Contactor size 14, 3-pole, AC-3, 450 kW, 400/380 V (1000 V) (4 NO + 4 NC)

Contactor size 14, 3-pole, AC-3, 450 kW, 400/380 V (1000 V) (4 NO + 4 NC)

## Základní informace

| Parametr | Hodnota |
| --- | --- |
| Unit | pcs |
| Code 1 | SI_3TF6944-8CM7 |
| Code 2 | 3TF6944-8CM7 |
| Warranty | 12 |
| Warranty for companies | 12 |
| Brand | SIEMENS |

## Podrobný popis

Vacuum contactor AC-3e 630 A, 335 kW / 400 V, AC-3 820 A, 450 kW / 400 V, Ue 1000 V, 3-pole, Uc: 200-240 V AC(50/60 Hz) drive: conventional auxiliary contacts 4 NO + 4 NC main circuit: busbar control and auxiliary circuit: screw terminal Vacuum contactor 3TF6 for switching motors. The 3TF6 vacuum contactors offer convincing high performance from a compact design with high contact reliability. They are also characterized by their particularly long switching endurance. They are therefore particularly well suited to frequent switching in inching operation. Pre-installed auxiliary switches reduce the complexity of your design. The devices are approved for worldwide use (e.g. IEC and UL/CSA) and are IE3/IE4-ready. They are available in two sizes, with AC and DC operation, and in a wide performance range. The devices can be connected in the main circuit by means of rails. A wide range of accessories is available for these contactors, such as surge suppressors, auxiliary switches or terminal covers.