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- NORD NORDAC
- SK700E-401-340-A
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· Product image is representative; revision or series may vary. Contact us to request a specific version.
We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for SK700E-401-340-A
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Product ModelSK700E-401-340-A
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Product ParametersFrequency inverter
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size12.2x21.8x28.4cm
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ManufacturerNORD NORDAC
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Weight4.1 kg
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Resistor typeSK BR1-200/300-F
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Resistance200 Ω
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Continuousoutput300 W
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Pulse output3 kW
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Connectionleads, 500mm2 x 0.75 mm2
Description
The NORDAC SK 700E frequency inverter is designedfor the power range between 1.5 kW and 160 kW.The system works with sensorless current vectorregulation (ISD). The typical overload capacity is150% for 60 s or 200% for 3.5 s. As standard, thedevices are equipped with a brake chopper andline filter (for limit curve A according to EN 55011,up to 22 kW). The combination of a powerfulcontrol module and comprehensive protection andmonitoring systems for the controller and the motorensure great system reliability
During dynamic braking (frequency reduction) of a three phase motor, electrical energy is returned to the frequency inverter. Inorder to avoid overcurrent cut-off of the frequency inverter, the integrated brake chopper can convert the returned energy intoheat by connecting an external brake resistor.For inverter outputs up to 7.5 kW, a standard substructure resistor can be fitted;it can also be optionally equipped with a heat monitor for additionalthermal protection of the resistor.This design is no longer possible with higher frequencyinverter outputs.
During dynamic braking (frequency reduction) of a three phase motor, electrical energy is returned to the frequency inverter. Inorder to avoid overcurrent cut-off of the frequency inverter, the integrated brake chopper can convert the returned energy intoheat by connecting an external brake resistor.For inverter outputs up to 7.5 kW, a standard substructure resistor can be fitted;it can also be optionally equipped with a heat monitor for additionalthermal protection of the resistor.This design is no longer possible with higher frequencyinverter outputs.
Information
Overview
Manuals
Application Notes
Product Applications
Electrical Connections
Features:
- Wide power range from 1.5 kW to 160 kW
- Sensorless current vector regulation
- Integrated brake chopper and line filter as standard
- Modular Construction with Optional Accessories
The SK 700E-401-340-A is equipped with an integrated brake chopper that enables dynamic braking capability by connecting an external brake resistor. When a three-phase motor decelerates, electrical energy is regenerated and returned to the frequency inverter; the brake chopper in the SK 700E-401-340-A converts this energy into heat through the resistor, preventing overcurrent or overvoltage shutdown. The recommended brake resistor for the SK 700E-401-340-A is the SK BR1-100/400-F, which offers 100 Ω resistance with 400 W continuous output and 4 kW pulse output. All chassis resistors are UL certified and not subject to restrictions in the North American market.
The SK 700E-401-340-A Nord Frequency inverter may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Nord SK 700E-401-340-A Frequency inverter Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The SK 700E-401-340-A accepts a 3-phase AC input voltage of 380–480V (±10%) with an input frequency of 47–63 Hz, and delivers an output frequency range of 0–400 Hz with an output current of approximately 9.5 A. The SK 700E-401-340-A features a compact form factor measuring 281 mm in length, 123 mm in width, and 219 mm in installation depth, with a weight of approximately 4 kg. This compact design enables efficient use of control cabinet space, and the SK 700E-401-340-A can be mounted vertically with sufficient clearance for proper convection cooling.
The SK 700E-401-340-A is designed with a modular architecture that supports a range of optional accessories and expansion modules. External mains filters can be added to achieve a high degree of interference suppression (Class B per EN 55011), and additional SK CU1-xxx I/O customer units can be connected for expanded control signal interfacing. When installed according to the recommendations in the manual, the SK 700E-401-340-A meets all EMC directive requirements. With its flux vector control, integrated braking capability, wide voltage range, compact footprint, and modular expandability, the SK 700E-401-340-A is a versatile and reliable frequency inverter solution for a broad spectrum of industrial motor control applications.
- Material Handling/Intralogistics: Controls speed and alignment on complex conveyor networks
- Packaging Machinery: Delivers precise speed synchronization and dynamic braking for rapid cycle times
- Pumps & Fans: Manages fluid and airflow systems optimally through high-efficiency motor tuning
- Positioning Automation: Resolves exact standalone travel profiles using optional incremental or absolute encoders
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Mains Power (Input): Connect your 3-phase 380–480 V supply lines to terminals L1, L2, and L3 (and ground to the PE stud) on the lower power board.
Motor Output: Connect the 3-phase motor leads to terminals U, V, and W (with proper motor ground to PE).
Control Terminals: Wire digital inputs, analog signals, and relay outputs to the inserted I/O control module according to your specific application layout.
Braking Resistor: Connect external brake resistor wires to the designated DC bus/brakes terminals if dynamic braking is used.
Alternative Names
SK 700E-401-34O-A
SK 700E-40I-340-A
SK 700E-4O1-340-A
SK 70OE-401-340-A
SK 7O0E-401-340-A
SK 700E-401-340-A
SK700E-401-34O-A
SK700E-40I-340-A
SK700E-4O1-340-A
SK70OE-401-340-A
SK7O0E-401-340-A
SK-700E-401-340-A
SK-700E-401-34O-A
SK-700E-40I-340-A
SK-700E-4O1-340-A
SK-7OOE-401-340-A
Technical notes
The SK 700E-401-340-A accepts a 3-phase AC input voltage of 380–480V (±10%) with an input frequency of 47–63 Hz, and delivers an output frequency range of 0–400 Hz with an output current of approximately 9.5 A. The SK 700E-401-340-A features a compact form factor measuring 281 mm in length, 123 mm in width, and 219 mm in installation depth, with a weight of approximately 4 kg. This compact design enables efficient use of control cabinet space, and the SK 700E-401-340-A can be mounted vertically with sufficient clearance for proper convection cooling
FAQs
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How long do capacitors stay charged after power-off?
+Internal components can retain a dangerous lethal voltage for up to 5 minutes after disconnecting the main power supply. Do not touch terminals immediately. -
What if the motor does not start?
+Check the motor terminal connections, verify the main supply voltage, inspect control protective devices, and review inverter parameter settings against the motor nameplate -
What if the motor overheats during operation?
+Check the cooling fan, verify minimum inverter output frequency settings, inspect ambient room temperature, and ensure the load does not exceed the 4.0 kW rating. -
Why won't the motor start up?
+Verify the terminal board connections, supply voltage stability, and the control state of your protective devices. Check the integrated brake mechanics if applicable.
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