Marsh Bellofram Corp.'sUPA-130S series now includes the "S" model. It is designed to provide
solid-on LED lighting and alert capabilities for those monitoring applications
requiring enhanced NFPA70E and OSHA safety compliance, instead of the flashing
LED's found on the standard model.
The UPA-130S series
is designed to reduce the risk of electric arc flash by pre-verifying the
electrical isolation from outside of a control panel before its re-verification
with a meter. The series operates over a range of 40 to 750V ac (30 to 1000V dc)
line-to-line or ground-to-ground, is phase insensitive and offers high surge
immunity protection. When hardwired to the load side of a circuit breaker or
main disconnects, the UPA-130S series detects stored hazardous ac and dc
voltage in any individual phase. After disconnecting power to an enclosure,
electricians can pre-verify voltage isolation while an enclosure door is still
safely closed. The UPA-130S series offers a potted construction with six-foot
leads and is designed to fit a 30 mm knockout. Its design includes redundant
circuitry and the incorporation of long-life display panel LEDs for extended
use, with components housed in NEMA 4X, 12 and 13 electrical enclosures.
The UPA-130S series is a safety tool for pre-verification of the presence
or absence of residual electrical power or charges, or as a zero energy
indicator, both before or during mechanical lock out/tag out (LOTO) procedures.
It is useful in government project applications, which are typically
characterized by more stringent requirements for solid LED lighting, to avoid
triggering certain medical conditions that can result from visual exposure to
rapidly flashing lights. The UPA-130S series can also be used in
applications such as circuit breaker disconnects, as well as with NFPA 70e
Category III and IV high energy panels; or as an added electrical safety tool
on other types of frequently accessed electrical panels. In addition to its
hazardous area certifications, the UPA-130 is also compliant to CATIII and
CATIV standards, and is CE marked and UL-approved in both the US and Canada.
What makes this movie stand out from the typical high school sports story is that the teenagers are undocumented immigrants, and the big game is a NASA-sponsored marine robotics competition. Like many other Hollywood movies, however, Spare Parts only tells part of the story. What the film shows -- and doesn’t show -- raises important issues affecting STEM education in the US.
Instead of sifting through huge amounts of technical data looking for answers to assembly problems, engineers can now benefit from 3M's new initiative -- 3M Assembly Solutions. The company has organized its wealth of adhesive and tape solutions into six typical application areas, making it easier to find the best products to solve their real-world assembly and bonding problems.
Load dump occurs when a discharged battery is disconnected while the alternator is generating current and other loads remain on the alternator circuit. If left alone, the electrical spikes and transients will be transmitted along the power line, leading to malfunctions in individual electronics/sensors or permanent damage to the vehicle’s electronic system. Bottom line: An uncontrolled load dump threatens the overall safety and reliability of the vehicle.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.