Basler BE1-51B Manual
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Basler BE1-51B Manual

Self powered time overcurrent relay retrofit kits
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Download this manual See also: Instruction Manual
BE1-50/51B with S1 Case or FT-11 sized Case and Cover
BE1-50/51B, CO Retrofits
The BE1-50/51B Time Overcurrent Relay Retrofit kits provide economical, modern
replacements for electromechanical overcurrent relays in a variety of applications.
• Self powered from 50/60Hz systems, available for 5 or 1 amp CT secondaries.
• Field selectable curves match original manufacturers' shapes.
• Independent instantaneous overcurrent function.
• Second independent instantaneous available on some models can be applied
to reduce arc flash hazard.
• Wired specifically to replace existing electromechanicals.
• Drawout construction, testable in the case.
• Qualified to the requirements of:
- IEEE C37.90, C37.90.1, C37.90.2, UL508
• Patented integrating reset characteristic, even when current goes to zero.
Replicates electromechanical reset for all applications.
• Five year warranty.
ADDITIONAL INFORMATION
INSTRUCTION MANUALS
Request Publication 9252000793 (244 CO arc flash replacement)
Request Publication 9252000895 (231 IAC replacement)
Request Publication 9252000994 (214, 215, 225 IAC replacement)
Request Publication 9252000995 (218, 228 IAC replacement with case)
Request Publication 9252000981 (219, 226 CO replacement)
Request Publication 9252000790 (240 CO replacement in FT-21 cradle)
Request Publication 9252000792 (241 CO replacement in FT-21 cradle
with Arc Flash upgrade)
Request Publication 9252000892 (229 SFC replacement)
Request Publication 9252000894 (230, 234, 239 IAC66K replacement)
Request Publication 9252000898 (235, 236 CO arc flash upgrade replacement)
Request Publication 9252000899 (237, 238 IAC arc flash upgrade replacement)
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
BE1-50/51B, IAC and SFC Retrofits
ADVANTAGES
12570 STATE ROUTE 143, HIGHLAND IL 62249-1074 USA PHONE 618-654-2341 FAX 618-654-2351
BE1-50/51B Retrofit Kits
BE1-50/51B
SELF POWERED
TIME OVERCURRENT
RELAY
RETROFIT KITS
For non-retrofit applications,
see Product Bulletin UHD.
FEATURES and
APPLICATION
Page 2
FUNCTIONAL
DESCRIPTION
Pages 3 and 4
SPECIFICATIONS
Pages 5 and 6
RETROFIT
INFORMATION
Pages 6 and 7
ORDERING
INFORMATION
Page 8
UHK-8
9-11

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Summary of Contents for Basler BE1-51B

  • Page 1 Request Publication 9252000898 (235, 236 CO arc flash upgrade replacement) Request Publication 9252000899 (237, 238 IAC arc flash upgrade replacement) 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...

  • Page 2: Be1-50/51B

    BE1-50/51B Retrofit Kits APPLICATION FEATURES • 15 field selectable, inverse, fixed time and British The BE1-50/51B is a single phase self powered, micro- Standard (BS142) time overcurrent curves on 200 processor based time overcurrent relay. The relay is series relays (10 on 100 series). designed for use in applications requiring time delayed •...

  • Page 3: Current Input

    Curve Type the relay. The microprocessor performs the program operations based on the input current level and internal Basler Type Similar To software program. When the Active/Pickup LED is green, Short Inverse ABB CO-2 the microprocessor is active and executing code.
  • Page 4 BE1-50/51B Retrofit Kits FUNCTIONAL DESCRIPTION, continued Additional definite time delay of 0.1 seconds may be added to the first instantaneous element. The definite delay is determined by SW3-2 on the circuit card. Figure 2 - Instantaneous Characteristics OUTPUTS Separate output contacts are provided for the TIME (51), 230, 237, 239 234, 238 INST A, and INST B.

  • Page 5: Specifications

    BE1-50/51B Retrofit Kits SPECIFICATIONS BURDEN: Burden is non-linear and resistive. Continuous One Second CURRENT SENSING INPUT: 5 Amp Unit: 4.8 Ohms @ 0.5A & 0.2 Ohms @ 5A Current Current 1 Amp Unit: 120 Ohms @ 0.1A & 5 Ohms @ 1A 5 Amp Unit 14.0 Amps 400 Amps...

  • Page 6: Net Weight

    -238 retrofit kits consist of a cradle, an adapter ing a Basler BE1-50/51B single-phase time overcurrent plate, and a cover and provides for installing a Basler relay in an existing CO case without making any wiring BE1-50/51B single-phase time overcurrent relay in an changes.
  • Page 7 BE1-50/51B Retrofit Kits ELECTROMECHANICAL REPLACEABLE MODELS • The 244 is a direct replacement for a CO relay in a • The 235 or 236 kit is a direct replacement for a CO case that fits an FT-11 size cutout. It has an drawout relay in an FT-11 case.

  • Page 8: Standard Accessory

    Adapter plate, new cover, and connection plug included. STANDARD ACCESSORY: ** See notes on page 7 for SFC compatibility information. A test plug (Basler P/N 10095) is available to allow testing of the relay without removing external wiring. P .A.E. Les Pins, 67319 Wasselonne Cedex FRANCE Tel +33 3.88.87.1010 Fax +33 3.88.87.0808...

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Be1-50

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