TRACO Power TPP 450B 450W Medical and Industrial Power Supplies offer a 12VDC to 53VDC output voltage range, 450W output power rating, and up to 94% efficiency. The TPP 450B-M is a high power density 3″ x 5.8″ x 2″ encased with fan series and the TPP 450BA-M is a 3″ x 5″ x 1.6″ open frame series, both types are designed for medical and industrial applications. These power supplies feature a remote on/off function, power good signal, extended operating temperature range, and are protection class II prepared. TRACO Power TPP 450B 450W Medical Power Supplies are ideal for medical devices and for demanding, space critical applications.