A new-old-stock GE SBM rotary cam-operated switch designed for circuit breaker control, motor control, and instrument transfer. Labeled NP-202490, is model B3B61S1S2L1 which decodes as a 2 stage, 3 position, standard escutcheon, spring returns handle to top 12 o'clock position from either 10 and 2 o'clock positions, lever type handle, and 0 to 1/4 inch mounting panel thickness. Rated 600 volts, 20 amps continuous, has no front panel installed - can be altered to fit control layouts as needed. All contacts were resistance tested, all rotary control movements are smooth and positive. Complete with box and GE manual copies which include spec and operating and decoding for this SBM 'Instructions - Control & Transfer Switch Type SBM' (11 pgs), 'Model SBM Control & Transfer Switch' (8 pgs), and 'SBM Switch Selection & Application Guide' (8 pgs). This GE SBM switch set will be carefully packaged and shipped within two days of payment. All exterior surfaces have been cleaned, and will be again just prior to shipping. Just after shipping, buyer will receive Tracking Number and several pictures to assist with unpacking. See our other sales for additional professional control equipment, electronics, lab instruments.