APEM, Vista, CA, introduced LK Series keylock switches available in nickel-plated or black overmolded barrel shutter and key. The multi-position switches are available in momentary and maintained functions, and in single or double pole configurations. They feature two-, three-, and four-position locking configuration with positive detent and multiple key-pull locations. They are rated for 4A at 125 VAC or 28 VDC, with a mechanical lifespan of 6,000 cycles at full load.
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