Part Number: S74802-SEF2-F2
Manufacturer: Kollmorgen
Series: S700 Servo Drive Series
  • Rated 4.6 (39 total ratings)
  • Straightforward Pricing: No Rush Fees, No Credit Card Fees
  • Call for Expedited Shipping and Product Condition Options
Free Ground Shipping
Worldwide Delivery
Repair Options Available

The S74802-SEF2-F2 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.

Part Number: S74802-SEF2-F2
Manufacturer: Kollmorgen
Series: S700 Servo Drive Series
  • Rated 4.6 (39 total ratings)
  • Straightforward Pricing: No Rush Fees, No Credit Card Fees
  • Call for Expedited Shipping and Product Condition Options
Free Ground Shipping
Worldwide Delivery
Repair Options Available

The S74802-SEF2-F2 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-SEF2-F2 is a sophisticated digital servo amplifier designed by Kollomorgen to improve the efficiency of industrial machines by carrying out accurate closed loop control of the speed, position, and torque output of industrial motors. The servo amplifier is a flexible device that can be used with synchronous, asynchronous, and DC motors, it can also be used with third party motors as long the motor meets the specifications of the amplifier. The housing of the S74802-SEF2-F2 servo amplifier provides protection according to the IP20 protection class, however the amplifier is still required to be operated in a closed loop control cabinet that can preserve permissible ambient conditions around it. The handling of the S74802-SEF2-F2 digital servo amplifier is very easy and straightforward, to maintain optimum operation, only well trained and qualified engineers should be allowed to handle the servo amplifier. The S74802-SEF2-F2 servo amplifier is designed to be used with an AC three phase power supply network, the rated supply voltage for the amplifier is 208 to about 480 volts, at a supply frequency of 50/60Hz. Although the S74802-SEF2-F2 can be connected to a DC supply network, it has not been evaluated for this by Kollmorgen, and the user will be expected to review and evaluate the connection for branch circuit protection, wire size, wire voltage, rate, fuse protection, current rating and over voltage. Also, the integrated EMC filter will not work, and the user will be responsible for keeping the conducted emissions and immunity of the drive within the required noise levels. The S74802-SEF2-F2 servo drive amplifier generates a rated output current of 48 Amperes during operation, this can however be as high as 96 amperes. The total weight of the S74802-SEF2-F2 servo amplifier is 13 kilograms.

S74802-SEF2-F2 Technical Specifications

Protection class: IP20
weight: 13kg
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-SEF2-F2


Q: What is the behaviour of the S74802-SEF2-F2 during power faliure?

A: The servo amplifier uses an integrated circuit to detect is one or more input phases fail. Users are allowed to determine the behaviour of the amplifier using the setup software.

Q: What does the emergency stop function on the S74802-SEF2-F2 do?

A: The emergency stop function is used for the fastest possible shut down of the servo amplifier in a dangerous situation. It will be triggered by the manual action of a single person.

Q: What type of enclosure should be used for the S74802-SEF2-F2 servo amplifier?

A: Since the servo amplifier meets enclosure IP20, users are expected to install the amplifier in an additional enclosure that can meet at least the IP54 protection class.

Q: When is the use of the STO function in the S74802-SEF2-F2 prohibited?

A: The STO function in the S74802-SEF2-F2 must not be used if the amplifier is made in active due to cleaning, maintenance and repair operation, or emergency stop situations.

Q: Can wake industrial help with the repair of faulty S74802-SEF2-F2 servo amplifier?

A: Yes. Wake industrial offer reliable repair services for the S74802-SEF2-F2 digital servo amplifier. Repair is often finished within 10 days.

Internal Product Review

  • ‘‘The amplifier makes motor speed control easy. I will definitely come back for more.’’

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