BE1-50/51B
The BE1-50/51B Time Overcurrent Relay provides economical
overload and fault protection for generators, transformers, lines
and motors.
ADVANTAGES
• Self powered from 50/60Hz systems, available for 5 or 1 amp
CT secondaries.
• Ten field selectable curves.
• Independent instantaneous overcurrent function.
• Drawout construction, testable in the case.
• Qualified to the requirements of:
- IEEE C37.90-1989, C37.90.1-1989, C37.90.2-1989, UL508
• 200 series adds:
- Patented integrating reset characteristic, even when current
goes to zero.
Replicates electromechanical reset for all applications.
- Five additional field selectable curves, for a total of 15.
• Five year warranty.
ADDITIONAL INFORMATION
INSTRUCTION MANUAL
Request Publication 9252000991
TIMING CURVES
Request Publication 9252000998 or 9252000894 for Basler-equivalent IAC curves
Request Publication 9252000999 for Basler-equivalent CO and BS142 curves
STANDARDS, DIMENSIONS and ACCESSORIES
Request Publication SDA
FEATURES and
APPLICATION
Page 2
FUNCTIONAL
DESCRIPTION
Pages 2-5
SPECIFICATIONS
Pages 6 and 7
ORDERING
INFORMATION
Page 8
UHD-14
5-08
P. O. BOX 269 HIGHLAND, ILLINOIS, U.S.A. 62249 PHONE 618-654-2341 FAX 618-654-2351
BE1-50/51B
SELF POWERED
TIME OVERCURRENT
RELAY
Direct replacement "plug and play"
relays are available.
See Product Bulletin UHK.
