3EF-75
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The 3EF-75 is a mains filter that handles a nominal current of 75 A. Manufactured by Kollmorgen, it is part of the Mains EMI Filters and has a voltage rating of 480 VAC. With dimensions including a 300 mm length and 185 mm height, the filter also features terminals sized at 25 mm² and a 6 mm Pe bolt.
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Product Description:
The 3EF-75> mains filter by Kollmorgen is a three-phase mains filter. This filter has a current rating of 75 A and a voltage rating of 480 VAC. The product is associated with high precision and performance. This device helps to meet applications that demand high accuracy, speed, and responsiveness. The unit is associated with a high level of versatility. It lowers the harmonic distortion plus electromagnetic interference produced by the servo drive during the operation phase. This filter can be installed easily because of its lightweight and compact construction.
The product can be used in multiple industrial environments. This device offers assurance of compliance and safety because of its UL listing and CE certification. The unit is connected outside the servo drive. It comes with a current rating of 75 A. This filter also features a 480 VAC voltage rating. The product mounting and installing actions are to be done in compliance with EN 61800-5-1 specifications. This device has a maximum throughput rating that is more than the maximum power consumption of either the motor or servo amplifier in the drive system. The unit should not be worked on with energized phase-to-phase and phase-to-earth voltages. Its allowed throughput rating must at no time be exceeded.
This mains filter related connection diagram is available in the instructions manual of the supporting servo amplifier. The product has a wire cross-section of 25 mm² for its terminals and 6 mm² for its protective earth bolt. This device is associated with an IP 20 protection class. The unit tends to have a very hot housing when it is in use. It has a weight of 1.8 kg and a size of 380 mm.
Frequently Asked Questions about 3EF-75:
Q: What is the voltage of the power terminals of the 3EF-75 mains filter after disconnecting the mains voltage?
A: The 3EF-75 mains filter may have a voltage of up to 10 V after disconnecting the mains voltage.
Q: What is the length of the 3EF-75 mains filter?
A: The 3EF-75 mains filter has a length of 380 mm.
Q: How should the 3EF-75 mains filter be connected?
A: The 3EF-75 mains filter should be connected according to the its connection diagram available in the servo-amplifier related instructions manual.
Q: What should be done before working on the power terminals of the 3EF-75 mains filter?
A: The phase-to-phase and phase-to-earth voltages of the 3EF-75 mains filter must be de-energized before working on its power terminals.
Q: Why should the 3EF-75 mains filter be installed in a control cabinet?
A: The 3EF-75 mains filter should be installed in a control cabinet because of its IP 20 protection rating.
