Uninterruptible Power Supplies

Uninterruptible Power Supplies

Find uninterruptible power supplies including UPS power supplies, APC uninterruptible power supplies, uninterruptible line power supplies and more. Use the time-saving Request for Quote tool to submit your inquiry to all the uninterruptible power supply manufacturers and suppliers you select.
Power Supplies DC Power Supplies Power Inverter AC to DC Converter Rectifier



Century Electronics a Division of Perillo Industries, Inc.
Westlake Village, CA
818-706-8224
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Engineering/design and Manufacturing high reliability power supplies, dc/dc converters, linear voltage P/S, ac/dc inverters for the aerospace, defense and space market. Build-to-Print, PCB Assembly and Reverse Engineering capabilities in a Lean Mfg. environment. ISO9000 compliant. CE is 100% Woman Owned.

Five Star Associates, Inc.
Bangor, PA
610-588-7426
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Five Star Associates is a contract manufacturer, engineering design and consulting company. We offer custom power supply design and manufacturing services. We specialize in regulated, switch-mode, high-voltage supplies to serve military, aerospace and industrial applications.

Technipower, LLC
Danbury, CT
800-682-8235
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At Technipower, our power supplies are manufactured with a wide range of applications. For 50 years, our production capabilities have focused on bringing value to our customers as well as providing up-to-date technologies. Consider our power converters which are simple and offer high reliability.

Dongah USA, Inc.
Richardson, TX
888-878-7331
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Our power supplies include standard types used worldwide and custom modified to fit your specific application. Our leading power technologies, along with quick delivery, allow us to bring the power you require. We offer a new LED-240 series of 240 watt switching power supplies for outdoor lighting.

Interact Power, Inc.
Anaheim, CA
714-632-5005
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We manufacture as well as design power supplies to your specifications. Interact Power is AS 9100 compliant and offers DC power supplies, PDUs, power strips, control panels, power cable assemblies, line conditioners, and rack-mount power supplies which come in a choice of sizes and watts.

Prime Power, Inc.
Hampstead, NH
603-329-4675
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Power conversion products provided by Prime Power are used by the aerospace & military industries. We offer turn-key systems & modular products and other power combinations. Our DC power supplies such as our DC/DC converters & AC/DC power supplies meet MIL-STD-810 & MIL-STD-461 military requirements.


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Uninterruptible Power Supplies

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

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.

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