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| Part Number | 3RT1034-1AC20 |
| Manufacturer | Siemens |
| Type | Contactors |
| Model # | 3RT10341AC20 |
| Warranty | 2 Year |
| Range | SIRIUS |
| Category | Size S2 |
| Description | Power contactor |
| Insulation voltage rated value | 690 V |
| Protection | IP20 |
| Shock resistance @ AC | 10g / 5 ms, 5g / 10 ms at rectangular impulse |
| Shock resistance @ AC | 15g / 5 ms, 8g / 10 ms with sine pulse |
| Ambient temperature | -25 ... +60 °C |
| Main current circuit | 3 Poles |
| Number of NO contacts | 3 |
| Operating current | 50 A @ 40 °C rated value |
| Mounting | screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022, side-by-side |
| Height 112 mm | 112 mm |
| Width 55 mm | 55 mm |
| Depth | 115 mm |
MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.
MRO can restore your failed 3RT1034-1AC20 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.
Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.
Our technicians have vast experience with most manufacturers and models. In addition to this 3RT1034-1AC20 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.
If you are interested in getting credit for your faulty 3RT1034-1AC20, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.
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The Siemens 3RT1034-1AC20 is a power contactor designed for AC-3 applications with a rated current of 32 A and a power rating of 15 kW at 400 V. This 3-pole contactor is part of the SIRIUS product brand and belongs to the S2 size category. It operates on a 24 V AC control supply voltage at a frequency of 50/60 Hz.
The contactor has a rated insulation voltage of 690 V.
It is suitable for environments with a degree of pollution level 3.
The surge voltage resistance is rated at 6 kV.
Between coil and main contacts, the maximum permissible voltage is 400 V.
The front has a protection class of IP20, while the terminal has a protection class of IP00.
It can be installed at a maximum altitude of 2,000 m above sea level.
The operating temperature ranges from -25 to +60 °C, and during storage, it can withstand temperatures from -55 to +80 °C.
Number of Poles: The contactor has 3 poles for the main current circuit.
At AC-1 (at 400 V, 40 °C), the rated value is 50 A.
At AC-3 (at 400 V), the rated value is 32 A.
At AC-4 (at 400 V), the rated value is 29 A.
At AC-1, the minimum permissible conductor cross-section is 10 mm² at 60 °C and 16 mm² at 40 °C.
Operating current for approximately 200,000 operating cycles at AC-4 is 15.6 A at 400 V.
At AC-1, the rated power is 31 kW at 400 V.
At AC-3, the rated power is 15 kW at 400 V.
Operating power for approximately 200,000 operating cycles at AC-4 is 8.2 kW at 400 V.
Thermal Short-Time Current: Limited to 320 A for 10 seconds.
No-Load Switching Frequency: 5,000 cycles per hour.
The control supply voltage is AC with a rated value of 24 V.
The control supply voltage rated value of magnet coil at AC ranges from 0.8 to 1.1 at 50 Hz and 0.85 to 1.1 at 60 Hz.
The apparent pick-up power of the magnet coil at AC is 127 V·A, and the apparent holding power is 11.3 V·A.
The closing delay is between 11 and 30 ms, and the opening delay is between 7 and 20 ms.
Arcing Time: 10 to 15 ms.
It has no instantaneous contacts in the auxiliary circuit.
Operating current at AC-15 is 3 A at 400 V.
Contact rating of auxiliary contacts according to UL A600/Q600.
Short-circuit protection is required for both the main circuit and the auxiliary switch.
The contactor can be mounted using screw and snap-on mounting onto a 35 mm standard mounting rail (DIN EN 50022).
It supports side-by-side mounting.
Height - 112 mm, Width - 55 mm, Depth - 115 mm.
Required spacing for grounded parts is 6 mm at the side.
Type of electrical connection for the main current circuit is screw-type terminals.
Type of electrical connection for the auxiliary and control current circuit is also screw-type terminals.
It supports various connectable conductor cross-sections for both main and auxiliary contacts.
The 3RT1034-1AC20 is designed to control electrical loads in AC-3 applications, offering reliable switching for various industrial processes.
The control supply voltage is 24 V AC, operating at a frequency of 50/60 Hz.
The contactor has a rated insulation voltage of 690 V, ensuring safe and efficient operation.
It can be installed at altitudes of up to 2,000 m above sea level and can withstand operating temperatures ranging from -25 to +60 °C.
The contactor has 3 poles for the main current circuit. It has a rated current of 50 A at AC-1 (400 V, 40 °C), 32 A at AC-3 (400 V), and 29 A at AC-4 (400 V).
The thermal short-time current is limited to 320 A for a duration of 10 seconds.
The rated power varies for different operating conditions. For example, at AC-1, it is 31 kW at 400 V, and at AC-3, it is 15 kW at 400 V.
Yes, the contactor supports side-by-side mounting, providing flexibility in installation.
It uses screw-type terminals for both main and auxiliary circuits, supporting various conductor cross-sections based on application requirements.
Yes, short-circuit protection is required. For the main circuit, the required fuse is gL/gG: 125 A, and for the auxiliary switch, a fuse of gL/gG: 10 A is required.
Siemens products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry Contactors from other manufacturers such as FANUC and Yaskawa.
Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 3RT1034-1AC20, take a look at more from our Contactors line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 3RT1034-1AC20 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.
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