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S74802-PBF2-NA

  • Rated 4.7 (21 total ratings)
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The S74802-PBF2-NA is a digital servo amplifier produced by Kollmorgen. This amplifier is intended to be used exclusively for the driving suitable synchronous, asynchronous, and DC motors. The amplifier is integrated with several safety features such as short-circuit protection and phase failure monitoring. It is also equipped with an adjustable digital speed controller and an integrated position controller that is adjustable for all applications.

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Product Description

The S74802-PBF2-NA is an advanced industrial servo amplifier designed to improve the operational efficiency of industrial machines by accurately controlling the speed, torque output and position of brushless synchronous, asynchronous, and DC bus voltage. This servo amplifier is intended to function as a safety component that is built into electrical plants or machines and can only be operated as an integral components of such plants or machines. The S74802-PBF2-NA servo amplifier is tested and certified to meet the highest standards of efficiency and safety, however, it is still important for the manufacturer of the machine to generate a risk assessment for the machine, and take appropriate measures to prevent injury due to unforeseen movement. Although the servo amplifier is intended to be used in industrial environment, it can also maintain optimum operation in small industrial operations, residential areas and commercial areas. The use of the amplifier in these other environments might require the user to implement additional filter measures. The S74802-PBF2-NA servo amplifier must only be operated in a closed control cabinet that can preserve an ambient temperature that falls between 0 to 40 degrees Celsius and a relative humidity that is less than 85 per cent. The S74802-PBF2-NA servo amplifier requires a rated supply voltage that falls between 208 to about 480 volts, also the rated input power for continuous operation is about 35 kilovolts per ampere. The S74802-PBF2-NA servo amplifier generates an output current of about 48 amperes during operation, also the maximum output current that can be generated by the amplifier is about 96 amperes. The amplifier also has a total weight of 13 kilograms and does not generate a noise pressure level of less than 62 decibels during operation.

S74802-PBF2-NA Technical Specifications

Protection class: IP20
weight: 13 Kg
Rated supply Voltage: 3×208 to 480 V
Rated supply frequency : 50/60Hz
Permitted switch On/off frequency: 30 1/h
Rated DC link Bus Voltage: 290 to 675V
Rated output current: 48A
Peak Output current: 96A
Switching frequency of output stage: 8/16kHz
Maximum noise emmission: 62 decibels

Frequently Asked Questions about S74802-PBF2-NA


Q: Can the S74802-PBF2-NA withstand vibrations?

A: Although the S74802-PBF2-NA digital servo amplifier has resistance to mild vibration, it should be protected against all forms of vibrations. Vibrations can lead to a permanent damage to the servo amplifier.

Q: How much noise does the S74802-PBF2-NA servo ampifier generate during operation?

A: The maximum noise pressure that can be generated by the servo amplifier is above 65 decibels. This noise pressure level is often less that this amount.

Q: How long will it take for the S74802-PBF2-NA servo amplifier to be delivered to me?

A: Delivery is often initiated as soon as your order has been confirmed. The time you receive the servo amplifier depends on the distance the amplifier is to be shipped to.

Q: How often should operators carry out maintenance operation on the S74802-PBF2-NA servo amplifier?

A: The S74802-PBF2-NA is a maintenance free device. However operators should still clean the exterior of the device to prevent build-up of dirt.

Q: How does the S74802-PBF2-NA regulate its operation temperature?

A: The S74802-PBF2-NA servo ampplifier features a built-in fan. This fan maintains ventilation around the servo amplifier via natural convection.

Internal Product Review

  • ‘‘The digital servo amplifier is simple to use and very effective. Exactly servo motor needs. ’’

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