ASIRobicon, New Kensington, Pa., released a 30-p catalog including applications, options, technical specifications, dimensions and ordering information for its Silicon Controlled Rectifier (SCR) power controller line. The catalog spotlights the company's SSR Z Series zero-fired SCR power controllers for proportional voltage control, the Z Series zero-fired SCR power controllers for resistance heating applications, the SSR P Series phase-fired SCR power controllers for resistive heating loads and the PCI series phase-fired SCR power controllers providing power for complex SCR applications. It also presents the company's watt, current and voltage ac transducers for metering applications.