ABB RARIC Panduan Pengguna

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Features

RARIC

Shaft current protection

• Sensitive protection for bearings of large rotating machines

• Operates for shaft currents larger than 0,3 - 0,8 A AC, depend-

ing on the diameter of the shaft

• Fundamental or third harmonic operating principle

• AC or DC powered, galvanically isolated

• Shaft current transformer with test winding

• Can be applied to shafts with diameters up to 2960 mm

• Settable time delay

• Trip relay with heavy duty contacts and indicating flag

• Test switch

User's guide

1MRK 502 001-UEN

Revision: A

Issued January 2003

Data subject to change

without notice

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