12.F4.C3D-3420

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The 12.F4.C3D-3420 is a frequency inverter that operates according to the Pulse width modulation principle. It is intended to be used exclusively with the three-phase AC motor designs. The permissible ambient temperature for the operation of this product is between 0 to about 45 degrees Celsius.

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Product Description:

The 12.F4.C3D-3420 is part of the internationally renowned KEB COMBIVERT F4-C Inverter built exclusively for the step-less speed control of three-phase AC motor designs. The inverter works according to the pulse width modulation principle; its design involves the integration of relevant safety features and material standards that can meet the highest demands on quality and operation safety. This inverter is also able to serve as protective equipment; during its operation, it protects connected motors against over-voltage, over-temperature and over-current damage. The inverter is DRIVECOM compatible and is able to reliably maintain energy saving function during operation. There is a programable filter on this inverter for its analogue and digital inputs; it also features an adjustable balancing of the ramps.

The 12.F4.C3D-3420 frequency inverter is a flexible device that allows for configuration to meet the operation requirement of specific applications; it features a programable operator menu and up to 8 parameter sets and 11 parameter groups that can be used to determine different operation requirements. The converter comes with about 2 programable relay outputs and 4 programable digital inputs. It also features 2 programmable analogue inputs. The accessories required by this product for operation include a filter and a braking transistor; it also operates with a supply voltage of about 400 volts.

The switching frequency of the 12.F4.C3D-3420 frequency inverter during operation is about 4 kilohertz. The inverter can produce an output nominal power of 6.6 kilovolts amperes and a maximum rated motor power of 4 kilowatts. The output nominal current produced by this product is measured to be about 9.5 amperes; however, it can also produce a short-time current of about 17.1 amperes. The inverter is a three phase device, and it operates with a mains frequency of between 50 to 60 hertz.

Connections
2/4P
Horsepower
5 HP
Max Operation frequency
4Khz
Max Short-time current
9.5A
Max. Rated motor power
4KW
Nominal input current
12.A
OC-tripping Current
20.9A
output nominal current
9.5A
Output Nominal Power
6.6KVA
Phases
3
Power
6.6 KVA
Power loss at nominal operating
115W
Rated Operating frequency
4 KHz
Tested
Yes
Voltage
305-440 VAC

Frequently Asked Questions about 12.F4.C3D-3420:

Q: What is the operating principle of this product?

A: The 12.F4.C3D-3420 frequency inverter operates according to the pulse width modulation principle. It converts the AC Voltage of the mains into DC voltage which is smoothed by the DC-link capacitor.

Q: Can the 12.F4.C3D-3420 function as a protective device?

A: Yes. During operation the 12.F4.C3D-3420 also protects connected motors from over temperature, overload and over current damages.

Q: Can the 12.F4.C3D-3420 motor be used with any motor design?

A: No. This product is built to be used specifically for the stepless speed control of three-phase AC motors.

Q: How long does it take for the 12.F4.C3D-3420 to be delivered?

A: The delivery of the product is initiated as soon as an order is placed. The time of delivery depends on the location of the customer.

Q: What type of network is the 12.F4.C3D-3420 compatible with

A: The 12.F4.C3D-3420 frequency converter can be easily integrated into different networks. For that, the inverter is fitted with an operator or interface that corresponds to the bus system.


Internal Product Review

  • ‘‘The 12.F4.C3D-3420 frequency inverter serves as both a control device and a protective equipment for the three-phase AC motor design. The inverter operates according to the pulse width electrical modulation principle, it features Slip compensation and is DRIVECOM compatible. ’’

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