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SIRIUS 3RT12 and 3TF6 vacuum contactors Parts

Siemens

3TF6844-8CQ7

Vacuum contactor AC-3e/AC-3 630 A, 335 kW / 400 V

Siemens

3TF6844-8CP7

Vacuum contactor AC-3e/AC-3 630 A, 335 kW / 400 V

Siemens

3RT1275-6AR36

Vacuum contactor AC-3e/AC-3 400 A, 200 kW / 400 V, 3-pole

Siemens

3RT1275-6AP36

Vacuum contactor AC-3e/AC-3 400 A, 200 kW / 400 V, 3-pole

Siemens

3RT1275-6AM36

Vacuum contactor AC-3e/AC-3 400 A, 200 kW / 400 V, 3-pole

Siemens

3RT1266-6LA06

Vacuum contactor AC-3e/AC-3 300 A, 160 kW / 400 V, 3-pole

Siemens

3RT1266-6AV36

Vacuum contactor AC-3e/AC-3 300 A, 160 kW / 400 V, 3-pole

Siemens

3RT1266-6AU36

Vacuum contactor AC-3e/AC-3 300 A, 160 kW / 400 V, 3-pole

Siemens

3TF6833-8DM4

Vacuum contactor AC-3e/AC-3 630 A, 335 kW / 400 V

Siemens

3TF6833-8DF4

Vacuum contactor AC-3e/AC-3 630 A, 335 kW / 400 V

Siemens

3TF6833-8DB4

Vacuum contactor AC-3e/AC-3 630 A, 335 kW / 400 V

Siemens

3RT1266-6NP36

Vacuum contactor AC-3e/AC-3 300 A, 160 kW / 400 V, 3-pole

Siemens

3RT1266-6NF36

Vacuum contactor AC-3e/AC-3 300 A, 160 kW / 400 V, 3-pole

Siemens

3RT1266-6NB36

Vacuum contactor AC-3e/AC-3 300 A, 160 kW / 400 V, 3-pole

Siemens

3RT1265-6AV36

Vacuum contactor AC-3e/AC-3 265 A, 132 kW / 400 V, 3-pole

Siemens

3RT1265-6AU36

Vacuum contactor AC-3e/AC-3 265 A, 132 kW / 400 V, 3-pole

Siemens

3RT1265-6AT36

Vacuum contactor AC-3e/AC-3 265 A, 132 kW / 400 V, 3-pole

Siemens

3RT1265-6AS36

Vacuum contactor AC-3e/AC-3 265 A, 132 kW / 400 V, 3-pole

Siemens

3RT1265-6AR36

Vacuum contactor AC-3e/AC-3 265 A, 132 kW / 400 V, 3-pole

Siemens

3RT1265-6AP36

Vacuum contactor AC-3e/AC-3 265 A, 132 kW / 400 V, 3-pole

Siemens

3TF6944-0CM7

Vacuum contactor AC-3e 630 A, 335 kW / 400 V, AC-3 820 A

Siemens

3TF6944-0CF7

Vacuum contactor AC-3e 630 A, 335 kW / 400 V, AC-3 820 A

Siemens

3TF6933-8QL7

Vacuum contactor AC-3e 630 A, 335 kW / 400 V, AC-3 820 A

Siemens

3TF6944-8CQ7

Vacuum contactor AC-3e 630 A, 335 kW / 400 V, AC-3 820 A

Compare SIRIUS 3RT12 and 3TF6 vacuum contactors

Key specifications of the parts listed on this page, taken from the manufacturer's data sheets.

MPN	Net Weight	operational current — at AC-3 — at 400 V rated value	control supply voltage at AC — at 50 Hz rated value	control supply voltage at AC — at 60 Hz rated value	control supply voltage at DC rated value
3TF6844-8CQ7	19.426 kg	630 A	380 ... 460 V	380 ... 460 V	—
3TF6844-8CP7	19.234 kg	630 A	230 ... 276 V	230 ... 276 V	—
3RT1275-6AR36	10.526 kg	400 A	440 ... 480 V	440 ... 480 V	440 ... 480 V
3RT1275-6AP36	10.5 kg	400 A	220 ... 240 V	220 ... 240 V	220 ... 240 V
3RT1275-6AM36	10.44 kg	400 A	200 ... 220 V	200 ... 220 V	200 ... 220 V
3RT1266-6LA06	6.172 kg	300 A	—	—	—
3RT1266-6AV36	6.832 kg	300 A	380 ... 420 V	380 ... 420 V	380 ... 420 V
3RT1266-6AU36	6.052 kg	300 A	240 ... 277 V	240 ... 277 V	240 ... 277 V
3TF6833-8DM4	19.879 kg	—	—	—	220 V
3TF6833-8DF4	20.44 kg	—	—	—	110 V
3TF6833-8DB4	20.783 kg	630 A	—	—	24 V
3RT1266-6NP36	6.937 kg	300 A	200 ... 277 V	200 ... 277 V	200 ... 277 V
3RT1266-6NF36	7.012 kg	300 A	96 ... 127 V	96 ... 127 V	96 ... 127 V
3RT1266-6NB36	7.006 kg	300 A	21 ... 27.3 V	21 ... 27.3 V	21 ... 27.3 V
3RT1265-6AV36	6.941 kg	265 A	380 ... 420 V	380 ... 420 V	380 ... 420 V
3RT1265-6AU36	6.982 kg	265 A	240 ... 277 V	240 ... 277 V	240 ... 277 V
3RT1265-6AT36	6.927 kg	265 A	575 ... 600 V	575 ... 600 V	575 ... 600 V
3RT1265-6AS36	6.963 kg	265 A	500 ... 550 V	500 ... 550 V	500 ... 550 V
3RT1265-6AR36	6.948 kg	265 A	440 ... 480 V	440 ... 480 V	440 ... 480 V
3RT1265-6AP36	6.907 kg	265 A	220 ... 240 V	220 ... 240 V	220 ... 240 V
3TF6944-0CM7	22.202 kg	820 A	200 ... 240 V	200 ... 240 V	—
3TF6944-0CF7	20.734 kg	820 A	110 ... 132 V	110 ... 132 V	—
3TF6933-8QL7	22.897 kg	820 A	220 ... 240 V	220 ... 240 V	—
3TF6944-8CQ7	22.472 kg	820 A	380 ... 460 V	380 ... 460 V	—

Common to all listed parts

reference code according to IEC 81346-2	Q
installation altitude at height above sea level maximum	2 000 m
relative humidity minimum	10 %
relative humidity at 55 °C according to IEC 60068-2-30 maximum	95 %
number of poles for main current circuit	3
number of NO contacts for main contacts	3
number of NC contacts for main contacts	0
arcing time	10 ... 15 ms