This expanded line of dc power circuit breaker panels includes 23", rack-mount panels equipped with alarm indicators for remote monitoring. The circuit breakers operate at -48 Vdc or 24 Vdc at a ...

The suction line of a refrigeration system is normally insulated with a flexible, closed-cell elastomeric material. Wall thicknesses vary between 3/8- and 1-inch. Medium-temperature systems generally ...

Reviewing a typical protective device trip curve (click here to see Fig. 2), it can be divided into three regions. First is the “instantaneous region,” which is the region intended to interrupt ...

The CP line of hydraulic breaker attachments features 12 models for carriers from 1.3 to 75 metric tons. Includes three heavy-duty units from 4,850 to 9,259 lbs., four medium breakers from 1,213 to ...

Blue Diamond Attachments has released a new line of hydraulic breakers for construction, demolition and quarry applications, including underwater work. The lineup includes 12 models designed for ...

Breaker manufacturers typically identify the capacity of their products with an "Impact Energy Class" rating (expressed in "foot pounds") which, to be honest, is usually an arbitrary number based ...

Circuit breakers are manual switches that open under overload conditions. Circuit breakers discussed here are general-purpose types that meet the minimum Underwriters' Laboratories Inc. (UL) standards ...

It's only a circuit breaker. How hard could it be? A surprising number of engineers specify the wrong type of circuit breaker to protect their equipment. Engineers ...