Baldor BC140, Installation & Operating Manual

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A-1 MN703
Appendix A
OPTIONAL AUXILIARY HEAT SINK (CATALOG NO. BC143)
The optional Auxiliary Heat Sink (Catalog No. BC143) is used to increase the rating of the control.
The control is mounted on the four (4) holes with four (4) mounting screws (supplied), Figure A-1.
Figure A-1 Optional Auxiliary Heat Si nk Mechanical Specifications
[34.9]
1.375
6.29
[160]
7.00
[178]
[142]
5.61
[143]
5.63
OPTIONAL Forward -brake-reverse switch (CATALOG NO. BC144)*
The optional Forward-Brake-Reverse Switch (Catalog No. BC144)* is used to dynamically brake
the motor and reverse motor direction. The switch assembly is to be installed in the mounting hole
provided on the control.
See the installation instructions MN1372, provided with the Forward-Brake-Reverse Switch kit for
detailed information on mounting and connections.
Figure A-2 shows the connections of the Forward-Brake-Reverse Switch to the speed control and the
Barrier Terminal Block. * BC144 is factory installed on BC140-FBR model.
Figure A-2 Optional Forward-Brake- Reverse Switch Connections