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Transformers use electromagnetic induction to perform voltage conversion and provide isolation, and are available in encapsulated, ventilated/open, buck-boost, and compact control styles in various ratings and configurations. Models for indoor/outdoor service are also available.
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Industrial Control and Power Transformers
Category Selection
- Ventilated General Purpose Transformers
- Ventilated Drive Isolation Transformers
- Encapsulated Core General Purpose Transformers
- Encapsulated Core Buck-Boost Transformers
- Open Core Industrial Control Transformers
- Encapsulated Core Industrial Control Transformers
- Wall Mount Brackets
- Fuse Adapters
- Finger Guards
A transformer is an electrical device for safely "stepping up" or "stepping down" voltages to meet the incoming power requirements of connected equipment. Used in nearly every power distribution system application, they can range in size from several tons to tiny devices found in compact electronic equipment. Various transformers are available from brands such as HPS (Hammond Power Solutions), ACME Electric, and Murrelektronik.
- Ventilated general purpose transformers (NEMA Rated)
- Encapsulated core general purpose transformers (NEMA Rated)
- Encapsulated core buck-boost transformers (NEMA Rated)
- Ventilated drive isolation transformers (NEMA Rated)
- Open core industrial control transformers
- Encapsulated core industrial control transformers
Ventilated General Purpose Transformers (NEMA Rated)
HPS (Hammond Power Solutions) Sentinel series general-purpose ventilated transformers, available in various primary and secondary voltage configurations, feature an advanced core and coil construction that provides higher efficiency, resulting in low operating costs and more cooling savings due to lower heat emissions.
- Dry-type 3-phase distribution transformer
- Open coil/core ventilated
- Meets DOE and NRCan requirements (federally mandated)
- VA range from 15 to 75 kVA
Ventilated Drive Isolation Transformers (NEMA Rated)
HPS (Hammond Power Solutions) drive isolation transformers are designed to meet the rugged demands of both AC and DC variable speed drives to provide required voltage changes and electrical protection. The separate primary and secondary windings provide electrical isolation between the incoming line and the VFD input.
- Open core
- 3-phase
- 7.5 kVA to 220 kVA ratings
Encapsulated Core General Purpose Transformers (NEMA Rated)
Encapsulated distribution transformers, filled with electrical grade silica and resin compounds to protect the core from moisture and other contaminants, are available in various configurations. Units with completely enclosed NEMA 3R housings are suitable for indoor/outdoor applications.
- Acme Electric 1-phase dry-type up to 25 kVA
- HPS (Hammond Power Solutions) Fortress series 1-phase up to 25 kVA
- Acme Electric 3-phase up to 15 kVA
Encapsulated Core Buck-Boost Transformers (NEMA Rated)
ACME Electric buck-boost transformers use voltage matching to maximize the performance and life of electrical equipment where a different voltage is required than what is available at the installation site. They are available in a wide range of primary/secondary configurations.
- 0.25 to 5.0kVA ratings
- NEMA 3R rated
- Can be used in 1-phase or 3-phase configurations
Open Core Industrial Control Transformers
HPS (Hammond Power Solutions) and Murrelektronik 1-phase open core control transformers are practical, low-cost options for high-inrush applications, such as contactors or solenoid valves, that require reliable output voltage stability. The inrush current caused by these inductive loads has no adverse effect on the transformer.
- 50 to 6300 VA
- Wide range of primary/secondary configurations
- Select models offer a universal primary voltage with 11 input taps for increased versatility
- Copper-wound coils with high dielectric strength insulation
Encapsulated Core Industrial Control Transformers
HPS (Hammond Power Solutions) Imperator series encapsulated 1-phase control transformers have enclosed cores to seal out moisture and other contaminants, specifically designed for high-inrush applications requiring reliable output voltage stability in harsh environments.
- 50 to 1500 VA
- Wide range of primary/secondary configurations
- Constructed with high quality silicon steel laminations that provide optimum performance and reliability
Fuse Adapters
Optional primary side fuse kits for certain Imperator control transformers contain four fuse clips, four mounting screws, and instructions.
Fuse block adapter kits allow the addition of third-party primary or secondary fuse block assemblies for certain Spartan control transformers rated up to 3000VA or 30A.
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