Uninterruptible Power Supplies

A reliable source for Power Supplies information and leading Power Supplies Companies & Manufacturers.

They supply power through a back up battery and a DC/AC inverter or DC/DC converter. A UPS is inserted between the source of power and the load it is protecting, so that when there is a power failure or problem, the UPS switches from utility power to its own power source almost instantly. Read More…

Uninterruptible Power Supplies Uninterrupted power supplies (UPS) are power supplies that continue to provide power during a loss of AC input power.

Leading Manufacturers

New Brunswick, NJ  |  732-249-2656

MEGA manufactures AC/DC ITE and medical (60601-1 4th ed) power supplies in wall plug in, desk top and open frame packages up to 800W. Designed to get the job done at a reasonable price, supplies carry multiple approvals to make it possible to ship one supply globally, including wall plug in versions with interchangeable plug plates, which can be shipped as a package or purchased individually. Customizations are possible with any DC barrel needed to mate perfectly with your device.

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MEGA Electronics, Inc. $$$

Pelham, NY  |  800-431-1064

Pico Electronics specializes in power supplies, AC to DC power supplies, DC to DC converters, transformers, conductors and more. Ever since our founding in 1967, our company has been offering high-quality customer service and support for all our products. We continue to pursue innovative solutions through miniaturization, and pride ourselves in being a big name in the field of small components.

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Pico Electronics, Inc. $$$

Perris, CA  |  951-277-0757

Our company offers a variety of standard and custom power supplies. These items are great for a wide range of applications. If you have any special requests then please let our representatives know. If you ever run into any questions or issues then our engineers are available to assist you. There is no project too challenging for our teams! Give us a call today!

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Triad Magnetics $$$

Livermore, CA  |  800-669-8090

At Quail Electronics, we are your power cord specialists. Our power supplies consist of green dot cords, high voltage cords, North American and international cords, specialty cords, plus adapters, plugs and strips. If you require something else, Quail Electronics can manufacture a custom cord to meet your specific needs. Call us today for your product needs.

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Quail Electronics, Inc. $$$

Burnaby, BC  |  800-561-5885

Samlex America® manufactures power supply products that benefit commercial, consumer and industrial needs. Among our product line are AC to DC power supplies, AC/DC converters, battery chargers, DC/DC converters, switching power supplies, voltage regulators and many other products.

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Samlex America® $$$

Milwaukee, WI  |  414-649-4200

Tri-Mag manufactures standard and custom uninterruptible switching power supplies, DC to DC converters, EMI/RFI filters and rack mounts. We are UL registered, ISO 9001:2000, ENISO 9001:2000, BS EN ISO 9001:2000 and ANSI/ASQ Q9001:2000 certified.

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Tri-Mag, Inc. $$$
placeholder image MEGA Electronics, Inc. Pico Electronics, Inc. Triad Magnetics Quail Electronics, Inc. Samlex America® Tri-Mag, Inc.

Three main types of uninterrupted power supplies are currently used. Offline UPS systems are standby systems that provide battery power to equipment when the main power supply falls underneath a certain limit. These are mostly used in home and office applications due to their lower cost. A line interactive UPS, on the other hand, switches to battery mode during a power outage, like the offline UPS. The difference is that the line interactive UPS actually boosts the main power supply when it falls. This type of UPS is mostly used in corporate applications.

Finally, on-line UPS systems, which offer the highest level of protection to electrical devices, are often used with medical technology or other sensitive equipment. These systems convert AC to DC and then back to AC in order to supply critical power loads. They have automatic bypass so that the power is continuous during an overload or UPS failure.

Uninterruptible power supplies are used to protect computers, telecommunication equipment, and any other electrical equipment that could cause injuries, fatalities, or serious business disruption and data loss if unexpected power disruption occurs.

UPS systems can be either a stand-alone unit, which is external to the equipment being powered, or a battery back up, which is implanted into the equipment. They can also come in different sizes to back up a single computer or an entire data center or building.