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Liebert ® APM ™ UPS
Liebert ® APM ™ UPS

... B. Output Load Capacity. Specified output load capacity of the UPS shall be (_____) kVA at unity power factor. C. Scalable Output Capacity. UPS rated output capacity will be scalable by Emerson Network Power Liebert Services. Models will be available in two different frames: 1. 45kVA Frame - Scalabl ...
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AT-FM-10K Two-Hand Control Module

... • Each operator must actuate his/her own pair of actuating devices, with all pairs of actuators active at one time, in order to initiate a machine cycle; the machine may not be allowed to operate until this condition is true. • The actuators all must be released between cycles. • The actuation and d ...
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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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