3RT1055-6AF36 150A 3 POLE POWER CONTACTOR 75kW DC 110V MOTOR CONTACTOR
Power contactor, AC-3 150 A, 75 kW / 400 V AC (50-60 Hz) / DC operation 110-127 V UC Auxiliary contacts 2 NO + 2 NC 3-pole, Size S6 Busbar connections Drive: conventional screw terminal
Ratings of three-phase motors
The quoted rating (in kW) refers to the output power on the motor shaft (according to the nameplate).
The power rating specifications of the contactors in kW (in accordance with IEC 60947-4-1, Table G) are guide values for 4-pole standard motors at 50 Hz AC and specified voltage (e.g. 400 V AC). The actual starting and rated data of the motor to be switched must be considered when selecting the units. The motor current, motor protection device and the permissible contactor current according to the utilization category must be aligned with each other.
Operating mechanism types
3RT1 contactors
The following control and/or operating mechanism versions are available in sizes S6 to S12:
- Standard operating mechanism with economy circuit for AC and DC operation (switchover from closing coil to holding coil)
- Solid-state operating mechanism
Overvoltage damping of the operating mechanism coil is already integrated in the electronics for contactors with solid state operating mechanisms. The operating mechanisms are powered via a supply voltage with an operating range from 0.8 to 1.1 x Us, optionally also controlled depending on the chosen mode of operation. Alternatively, control is also possible via the separate 24 V DC control signal input. Various rated voltage ranges for AC/DC control are available.
The following versions are available: - With two operating modes: Direct control or via CPU input
- As above, but with additional remaining lifetime indicator (RLT)
- With fail-safe PLC input for simplification of safety applications (without mode of operation selection)
| General technical data |
| Size of contactor | S6 |
| Product extension | |
| ● function module for communication | No |
| ● Auxiliary switch | Yes |
| Power loss [W] for rated value of the current | |
| ● at AC in hot operating state | 27 W |
| ● at AC in hot operating state per pole | 9 W |
| Power loss [W] for rated value of the current without load current share typical | 5.2 W |
| Surge voltage resistance | |
| ● of main circuit rated value | 8 kV |
| ● of auxiliary circuit rated value | 6 kV |
| maximum permissible voltage for safe isolation | |
| ● between coil and main contacts acc. to EN 60947-1 | 690 V |
| Protection class IP | |
| ● on the front | IP00; IP20 on the front with cover / box terminal |
| ● of the terminal | IP00 |
| Shock resistance at rectangular impulse | |
| ● at AC | 8,5g / 5 ms, 4,2g / 10 ms |
| ● at DC | 8,5g / 5 ms, 4,2g / 10 ms |
| Shock resistance with sine pulse | |
| ● at AC | 13,4g / 5 ms, 6,5g / 10 ms |
| ● at DC | 13,4g / 5 ms, 6,5g / 10 ms |
| Mechanical service life (switching cycles) | |
| ● of contactor typical | 10 000 000 |
| ● of the contactor with added electronics-compatible auxiliary switch block typical | 5 000 000 |
| ● of the contactor with added auxiliary switch block typical | 10 000 000 |
| Reference code acc. to DIN EN 81346-2 | Q |
| Main circuit |
| Number of poles for main current circuit | 3 |
| Number of NO contacts for main contacts | 3 |
| Operating voltage | |
| ● at AC-3 rated value maximum | 1 000 V |
| Operating current | |
| ● at AC-1 at 400 V | |
| — at ambient temperature 40 °C rated value | 185 A |
| ● at AC-1 | |
| — up to 690 V at ambient temperature 40 °C rated value | 185 A |
| — up to 690 V at ambient temperature 60 °C rated value | 160 A |
| — up to 1000 V at ambient temperature 40 °C rated value | 90 A |
| — up to 1000 V at ambient temperature 60 °C rated value | 90 A |
| ● at AC-2 at 400 V rated value | 150 A |
| ● at AC-3 | |
| — at 400 V rated value | 150 A |
| — at 500 V rated value | 150 A |
| — at 690 V rated value | 150 A |
| — at 1000 V rated value | 65 A |
| ● at AC-4 at 400 V rated value | 132 A |
| ● at AC-5a up to 690 V rated value | 162 A |
| ● at AC-5b up to 400 V rated value | 124 A |
| ● at AC-6a | |
| — up to 230 V for current peak value n=20 rated value | 148 A |
| — up to 400 V for current peak value n=20 rated value | 148 A |
| — up to 500 V for current peak value n=20 rated value | 148 A |
| — up to 690 V for current peak value n=20 rated value | 148 A |
| — up to 1000 V for current peak value n=20 rated value | 57 A |
| ● at AC-6a | |
| — up to 230 V for current peak value n=30 rated value | 99 A |
| — up to 400 V for current peak value n=30 rated value | 99 A |
| — up to 500 V for current peak value n=30 rated value | 99 A |
| — up to 690 V for current peak value n=30 rated value | 99 A |
| — up to 1000 V for current peak value n=30 rated value | 57 A |
Main models:
3RT1055-1AF36 3RT1055-1AP36 3RT1055-1AV36 3RT1055-6AF36 RT1055-6AP36 RT1055-6AV36
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Best Quality Assurance:
1. We only provide the original new items, 100% make sure the best quality!
2.1 year warrant GUARRANTEE OF QUALITY
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