The BALMAC 550-X is an EXPLOSION-PROOF VIBRATION SWITCH with a 1/4" hardware and 2 mounting bosses. This switch, with its 5" x 7" x 4" explosion-proof box, is d
The BALMAC 550-X is an EXPLOSION-PROOF VIBRATION SWITCH with a 1/4" hardware and 2 mounting bosses. This switch, with its 5" x 7" x 4" explosion-proof box, is d
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