Foster Transformer Co.

RoHS-Compliant Transformers are certified to EN 61558-1.
Electrical Equipment & Systems

RoHS-Compliant Transformers are certified to EN 61558-1.

Models 15349 and 15964 are suited for international as well as domestic, commercial and industrial applications. Certified to UL 1585 as inherently limited transformer, model 15349 has input of 200/230 V @ 50/60 Hz, 24 V output, and capacity of 75 VA. UL-listed as industrial control transformer, Model 15964 has input of 120/240 V @ 50/60 Hz, output of 24 VCT, and capacity of 192 VA. Each...

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EMI Filters are offered with optional surge suppression.
Electronic Components & Devices

EMI Filters are offered with optional surge suppression.

Available for 100-120 or 200-240 line voltages, RoHS-compliant EMI Filters feature fully encapsulated construction that complies with EN 133200 and UL 1283 as well as UL94 VO plastic enclosure that protects against electrical shock. Products can be mounted with Â-¼ in. quick connect terminals, allowing use wherever EMI control is needed, including multiple locations within one piece of...

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Electrical Equipment & Systems

Control Transformers suit commercial applications.

Used in welders, battery chargers, overhead cranes, and motor controls, Multi-Tapped Control Transformers feature multi-tap primary windings and are precision layer wound. They are designed to Class 2 Not-Inherently Limited specifications and incorporate integral 3AG fuse holder as well as .25 x .032 QC tab connections. In addition to UL Recognized Class 130 (B) insulation, standard models offer...

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Electrical Equipment & Systems

Plug-In Transformers suit low voltage applications.

Offering capacities from 10-50 Va, Class 2 Plug-In Transformers are available for 9-24 V output from 120 V, 60 Hz. Each model includes impact-resistant case with retention tab for semi-permanent installation. Combination slotted/Phillips head screws on output terminals are standard, with either ground pin or output ground screw. Transformers are suited for low voltage applications including...

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Electrical Equipment & Systems

Class 2 Transformer has 75 VA rating and center-tap design.

SURVIVOR CT, featuring short circuit as well as over-temperature and overload protection, withstands direct short circuit for over 15 days. With center-tap to secondary winding, product is suited for use with 12 V halogen lamps. Users can operate lamps up to 75 W while remaining within UL Class 2 requirements. All units have UL-Recognized Class 130 (B) insulation and standard capacity of 75 VA....

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EMI Filters feature UL 94 V0 plastic enclosures.
Electronic Components & Devices

EMI Filters feature UL 94 V0 plastic enclosures.

Mounted with single screw, EMI Filters can be used wherever EMI control is needed. Fully encapsulated construction complies with EN 133200 and UL 1283. By eliminating capacitor to earth ground connection, leakage current is greatly minimized. Available for 100-120 and 200-240 line voltages, filters include Â-¼ in. quick connect terminals. Standard models incorporate 5.0 mH common mode...

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Sealed Transformers withstand harsh environments.
Electrical Equipment & Systems

Sealed Transformers withstand harsh environments.

Hermetically Sealed Transformers and inductors feature glass-to-metal hermetically sealed terminals, MIL SPEC paints and finishes, and deep drawn and fabricated enclosures. Quality of epoxies and silicones maximize service life and offer resistance to heat, vibration, and other environmental factors. Suited for military and commercial applications, products meet MIL-T-27 requirements and can be...

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Ferroresonant Transformer provides stable output of ± 3%.
Electrical Equipment & Systems

Ferroresonant Transformer provides stable output of ± 3%.

Transformer provides standard square wave output that requires less filtering than linear transformers for dc applications. Low component count provides reliability under extreme operating conditions. Transformer suits use in battery chargers, medical equipment, inverter and UPS systems, line voltage stabilizers, industrial automation and machine tools. Models are available for 50 Hz, 60 Hz, and...

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Current Transformers feature compact construction.
Electrical Equipment & Systems

Current Transformers feature compact construction.

Available with mounting options to meet any design parameter, transformers include UL Recognized Class 130 (B) insulation and optional Â-¼ in. quick connect terminals to keep high current off printed circuit board. Standard models feature 1:500 turns ratio and handle rated currents from 0.1-30.0 A. With operating frequency range of 50-400 Hz, products are suited for use in UPS systems and...

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Step-Down Transformers suit machine tool applications.
Electrical Equipment & Systems

Step-Down Transformers suit machine tool applications.

Isolated machine tool transformers, available with lead wires, terminal blocks, lead screws, and other configurations to suit user needs, come in models from 0.025-5.0 kVA. Offered in UL/C-UL Recognized and Listed configurations, products have Class 130 and UL Class 180 Insulation Systems, respectively. All models feature 240/480 V, 50/60 Hz primary windings, with optional 208 V tap. Dual 120/240...

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