ABB 321131-A01 337672-A01 frequency converter

ABB 321131-A01 337672-A01 frequency converter

Technical data of product parameters

Since the AC 800M units (CPU and communication interfaces) are cooled by selfconvection, it is important that they only be mounted onto a horizontal DIN- rail.
Each baseplate has a locking mechanism that contacts the metal backplate to the 321131-A01 337672-A01
DIN-rail, providing an effective ground connection. The DIN-rail functions as a
very effective ground for the system.
The additional screw lugs, located in the lower part of the baseplate, serve no
electrical function. They are provided for use should extra fastening be required
within environments subject to excessive vibration.There are two ways of mounting the product in cabinets, open rack or other types of
installations; aluminum profile with mounted DIN-rail or DIN-rail mounted on a 321131-A01 337672-A01
metal sheet of proper size. The aluminum profile or metal sheet shall be properly
connected to protective earth.
DIN-rail type with height 7.5 mm shall be used. Refer to type NS 35/7.5 according
to standard EN50022.
The interference suppression for external signals, are normally directly grounded to
chassis and/or plant ground. The plant ground potential must be stable and well
defined, even in the event of a low ground fault caused by high voltage equipment or
a lightning strike. 321131-A01 337672-A01
Each module’s conductive back plane connects to the metallic DIN-rail which serves
as the module electronics ground conductor between the interconnected devices.
This is to ensure a good ground connection both for the internal logic and for the
EMI immunity and RF emission of the modules. The DIN mounting rail must have a
good bond to the PE of the cabinet.
If AC 800M modules are configured as two or more groups interconnected with
extension cables, special care should be taken to ensure that the DIN-rails of all
groups have a good connection to ground. Also ensure to fix the figure numbers

Product picture display

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reminder

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