... Silicon Controlled Rectifier (SCR) and AC contractor, DPQ33 series STS Static Transfer Switch The DPQ33 Series Static Transfer Switch provides break-before ... power sources for uninterrupted power to critical electronic equipment. The DPQ33 series STS adopts the technology of parallel of Silicon Controlled ... 800 x 6001400 x 800 x 600Weight (kg)80kg100kg120kg160kg The DPQ33 Series Static Transfer Switch