Model AL400ULM is specifically designed for use with access control systems and accessories. This unit converts a 115VAC 60Hz input into five (5) PTC protected Class 2 Rated power limited outputs rated @ 2 amp each, with an output current of 12VDC @ 4 amp or 24VDC @ 3 amp total. Model AL400ULMR is a Red Cabinet version of this product.