Dimmable LED Power Supply features integral protection.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Jun 06, 2007 Encapsulated in epoxy and housed in 304 Stainless Steel enclosure, Dimmable LED power supply is impervious to dirt, moisture, and corrosive elements. It offers short circuit and overload protection and can be dimmed with standard household dimmer. Unit accepts multiple input voltages, including 120, 240, and 277 V, 50/60 Hz, and its output is configurable for 12 or 24 Vdc up to 60 W. Limited power source output allows for Class 2 wiring.

Class 2 Transformer is classified as Inherently Limited.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Jan 09, 2007 Able to be used in intermittent duty applications, 100 VA SURVIVOR model features short circuit and overload protection to withstand direct short circuit in excess of 15 days. It does not require external protection or internal fusing and can be sized for average or continuous current load. Available with 60 Hz or 50/60 Hz ratings, product has UL-Recognized Class 130 (B) insulation. Primary input voltages include 115, 115/230, and 200/230 V with 24 V output.

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

Foster Transformer Co.    Cincinnati, OH 45223 2571
May 23, 2006 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 size/model includes UL-Recognized Class 130 (B) insulation.

EMI Filters are offered with optional surge suppression.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Apr 05, 2006 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 ¼ in. quick connect terminals, allowing use wherever EMI control is needed, including multiple locations within one piece of equipment. Standard models incorporate 5.0 mH common mode inductors suitable for up to 6 A service.

Control Transformers suit commercial applications.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Feb 09, 2006 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 primary input voltages at 50/60 Hz, with output of 24 V and 50 VA.

Plug-In Transformers suit low voltage applications.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Sep 16, 2005 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 lighting, control, power, and alarm installations.

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

Foster Transformer Co.    Cincinnati, OH 45223 2571
Jul 13, 2005 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. Primary voltages are 115, 115/230, 200/230, and 460 V with 24 VCT output.

EMI Filters feature UL 94 V0 plastic enclosures.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Jun 08, 2005 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 ¼ in. quick connect terminals. Standard models incorporate 5.0 mH common mode inductors suitable for up to 6 A service.

Sealed Transformers withstand harsh environments.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Apr 27, 2005 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 used in new designs as well as legacy products.

Ferroresonant Transformer provides stable output of ± 3%.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Feb 08, 2005 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 50/60 Hz, with output ratings from 50 VA to 5.0 kVA.

Current Transformers feature compact construction.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Dec 08, 2004 Available with mounting options to meet any design parameter, transformers include UL Recognized Class 130 (B) insulation and optional 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 other applications where isolated current monitoring is desirable.

Step-Down Transformers suit machine tool applications.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Sep 15, 2004 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 V secondary windings are standard.

Lighting Control Transformers feature overload protection.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Sep 07, 2004 Suited for lighting control panels, transformers automatically reset after experiencing overload situation. Various UL and C-UL listed models are available, each with 40 VA continuous and 75 VA intermittent capacity ratings for 50/60 Hz service. Input voltages include 115, 220, 240, 277, 347, and 115/277 or 115/240/277 V, all with 24 V output. Each size/model includes UL Recognized Class 130 (B) insulation.

Low-Voltage Transformers suit fan motors and controls.

Foster Transformer Co.    Cincinnati, OH 45223 2571
Aug 10, 2004 Designed to meet need for reliable power for low-voltage circuits, inherently limited Class 2 Transformers are available with capacities of 5, 20, and 50 VA in 60 or 50/60 Hz ratings. Primary input voltages include 115, 115/230, and 200/230 V, with 12 V or 24 VCT outputs. While lead wires are standard, quick disconnect tabs are also available. Thermal fuses are standard on 20 and 50 VA models, and each size/model includes UL Recognized Class 130 (B) insulation.