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Power Products (Electrical) > Transformers
Transformers
Transformers convert electrical energy between two or more circuits through electromagnetic induction, performing voltage conversion and providing isolation. Power transformers are available in encapsulated, ventilated/open, buck-boost and compact control styles with a wide range of primary and secondary voltage configurations. Models for indoor/outdoor service are available.
Industrial Control and Power Transformers
Category Selection
Acme, Hammond and Jefferson Electric transformers for industrial applications at everyday low prices ...
- HPS Sentinel® 3-Phase General Purpose Ventilated Transformers (NEMA Rated)
- Acme 3-Phase Encapsulated Transformers (NEMA Rated)
- HPS Imperator® 1-Phase Encapsulated Core Control Transformers
- HPS Spartan® 1-Phase Open Core Control Transformers
- HPS Fortress™ 1-Phase Encapsulated Power Distribution Transformers (NEMA Rated)
- Jefferson Electric 1-Phase Buck-Boost Transformers (NEMA Rated)
HPS Sentinel G 3-Phase Ventilated Transformers (NEMA Rated)
HPS Sentinel G ventilated stand-up distribution transformers meet the latest energy efficiency standards as outlined by DOE and NRCan. These transformers offer significant energy savings and environmental benefits.
- Dry-Type 3-Phase Distribution Transformer
- Open Coil/Core Ventilated
- Meets DOE and NRCan requirements - Federally Mandated
- VA range from 15 - 75 kVA
Acme 3-Phase Encapsulated Core Transformers (NEMA Rated)
Dry-type encapsulated 3-phase distribution transformers from Acme Electric offer a UL listed, CSA certified and UL type 3R enclosure, which meets or exceeds all listing criteria including NEMA, ANSI and OSHA standards. Models over 9kVA offer an extra-large front access wiring compartment; 15kVA models offer top access for easier installation and cooler case temperatures. Completely enclosed style makes this series suitable for indoor/outdoor service.
- 480 VAC Primary to 208Y/120 VAC Secondary
- 480 VAC Primary to 240/120 VAC (center tap) Secondary
- 600 VAC Primary to 480Y/277 VAC Secondary
- 600 VAC Primary to 208Y/120 VAC Secondary
HPS Imperator Encapsulated Core Control Transformers
1-Phase Encapsulated Core Industrial Control Transformers
HPS Imperator® control power transformers from Hammond are specifically designed for high inrush applications requiring reliable output voltage stability. Designed to meet industrial applications where electromagnetic devices such as relays, solenoids, etc. are used, these industrial power transformers maximize inrush capability and output voltage regulation when electromagnetic devices are initially energized. Encapsulated coils protect the transformer from moisture, dirt and other industrial airborne contaminants. Four series of encapsulated control transformers are available:
- MQMJ Series - 240x480 VAC to 120x240 VAC
- MGJ Series - 208x277x380 VAC to 120x240 VAC
- PG Series - 120x240 VAC to 12x24 VAC
- MLI Series - 480x240 VAC to 25x120 VAC
HPS Spartan Open Core Control Transformers
1-Phase Open Core Industrial Control Transformers
Hammond HPS Spartan® industrial open core and coil control transformers offer an efficient and economical solution for applications where high inrush or machine tool duty are not necessary. The units are well suited for HVAC applications, signal and alarm systems, motor control circuits, lighting and circuit isolation. Four series of open core control transformers are available:
- MQMJ Series - 240x480 VAC to 120x240 VAC
- PR Serie - 120x240 VAC to 12x24 VAC
- ACP Series - 480x600 VAC to 120x240 VAC
- SP Series - 208x416 VAC to 120x240 VAC
HPS Fortress Encapsulated Transformers
HPS Fortress™ encapsulated transformers provide an innovative design that is ideal for commercial applications where quality, ease of installation, and low cost are key. All Fortress units are encapsulated power transformers with electrical grade silica sand and resin compounds, which completely enclose the core and coil to seal out moisture, airborne contaminants and eliminate corrosion and deterioration. This type of power transformer is also sometimes referred to as a potted transformer. 480V transformers and 60Hz transformers are among the most popular models offered. Three series of encapsulated transformers are available:
- C1F***LE Series (240x480 to 120x240 VAC)
- C1F***WE Series (120/208/240/277 VAC to 120x240 VAC)
- C1F***XE Series (220/208/200/190x440/416/400/380 to 240x120 VAC)
Jefferson Electric Buck-Boost Transformers
Buck-boost transformers are designed to maximize the performance and life of electrical equipment. They are typically used to power loads with specific voltage requirements that differ from the available line voltage. Buck-boost transformers can be connected as auto-transformers or isolation transformers. As an auto-transformer, these buck-boost transformers provide a means of raising (boosting) or lowering (bucking) a supply line voltage by a small amount (usually no more than 20 percent). When connected as an isolation transformer, these transformers can be used to step-down supply power to low voltage circuits at the nameplate rating listed. Two ranges of buck-boost transformers are available:
- 120x240 VAC to 12x24 VAC
- 120x240 VAC to 16x32 VAC
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