The SP MINI 92-70 Vario Power Pack stepper motor power stage with built-in power supply for wall mounting is available in a power range up to 200W. A power stage to drive two-phase stepper motors is available, and the vario flat housing may be used in switching cabinets, where it can be mounted flat onto a wall or standing off the wall. Screw-type connectors for mains and motor connectors as well as the Sub-D-type connector for control signals are useful for wiring the unit.
Phytron Inc., 1345 Main St., Waltham, MA 02154, FAX (781) 647-3526.
Although plastics make up only about 11% of all US municipal solid waste, many are actually more energy-dense than coal. Converting these non-recycled plastics into energy with existing technologies could reduce US coal consumption, as well as boost domestic energy reserves, says a new study.
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