The MMTC HBF-SLF is an interior flush-mount OPEN/CLOSE key switch designed for commercial gate and door control applications. This model features a center-return switch configuration and supports S-Type large format cylinders, making it suitable for facilities requiring large format keyed access integration.
The unit is housed in a NEMA 1 rated enclosure with a stainless steel faceplate for indoor installations. Manufacturer specifications list a 15 amp rating at 125/250VAC, with a single gang back box measuring 4" H x 2" W x 2" D and a faceplate measuring 4-1/2" H x 2-3/4" W.
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