Designed to house the following: Allen-Bradley Bulletin 1494V disconnect switches with flange-mounted variable depth operating mechanisms and Bulletin 1494V flange-mounted variable depth operating mechanisms for circuit breakers. Allen-Bradley Bulletin 1494V-R1, -R2, and -W2 operating handles and Allen-Bradley Bulletin 1494F disconnect devices or Bulletin 1494D circuit breaker operators will not fit these enclosures. ABB Controls flange-mounted variable depth operating mechanisms for disconnect switches and circuit breakers Cutler-Hammer/Westinghouse Type C361 flange-mounted variable depth operating mechanisms with disconnect switches and Type C371 flange-mounted variable depth operating mechanisms for circuit breakers General Electric Type STDA flange handles and variable depth operating mechanisms for disconnect switches and circuit breakers. Also Spectra Flexâ„¢ cable operators for circuit breakers I-T-E Max-Flexâ„¢ flange-mounted variable depth operating handles for circuit breakers. Square D Class 9422 disconnect switches with flange-mounted variable depth operating mechanisms or cable mechanism and Class 9422 flange-mounted variable depth operating mechanisms or cable mechanism for circuit breakers. Bulletin A19 enclosures will not accept Square D Class 9422 bracket mounted disconnect devices, 9422TGI, or TG2 devices Disconnect switch or circuit breakers, operating handle, and operating mechanism are not furnished with the enclosure and must be ordered separately from the disconnect manufacturer Operator adapter plates are not required with this enclosure