Flex-Core - Hilliard, OH
Distributor, Manufacturer
Manufacturer of transformers including core & coil, electric, encapsulated, instrument & metering transformers. Split-core current transformers, split-core clamp-on current transformers, solid-core current transformers & potential transformers are also available.
www.flex-core.com/split-core-current-transf...

Triad Magnetics - Corona, CA
Manufacturer, Custom Manufacturer
ISO 9001: 2008 & ISO 14001:2004 certified worldwide custom manufacturer of current instrument transformers. Instrument transformer types include multi-ratio, three-phase, split core, toroidal, PC mount, & under or over current sensing. Transformers are waterproof & are compliant to ANSI standards. RoHS & China RoHS compliant. Meets CSA, UL & TuV to IEC 60950-1 standards.
www.triadmagnetics.com

Midwest Current Transformer, Div. of Anderson Engineering of New Prague, Inc. - New Prague, MN
Distributor, Manufacturer, Custom Manufacturer
Custom manufacturer of industrial control transformers, instrument transformers, inverter transformers & battery charging transformers. Standard insulation of transformers is 600 V with high voltage insulation optional. Current transformers manufactured with current ratios from 4000:5 to 5:5, VA rating ranges from 2VA to15VA. Accuracy ranges from 0.10 to 9.99. Transformer core is made with grain oriented steel. Standard leads lengths of 24 ins. Options include mounting bracket, special lead lengths, extra taps, fungus treatment to meet military specifications. UL recognized components.
www.midwestcurrent.com

Custom Magnetics, Inc. - North Manchester, IN
Distributor, Manufacturer, Custom Manufacturer
Custom manufacturer of transformers for instrument & medical equipment applications. Types of transformers include laminated transformers, ferrite core transformers, toroidal transformers, rectangular-core transformers & standard lines transformers. Standard lines transformers such as voice & data transformers & split bobbin transformers are available. Transformers are available in different shapes, sizes & power capacity models. Split bobbin transformers meet UL® & CSA® standards.
www.custommag.com/products/products.shtml

GlobTek, Inc. - Northvale, NJ
Manufacturer, Custom Manufacturer
Woman-owned manufacturer of miniature instrument transformers. Applications include television, video cassette recorders, audio, instruments, flash lights, & communication equipment. ISO 9001:2000 registered.
www.globtek.com/html/transf4.html

Lenco Electronics, Inc. - McHenry, IL
Manufacturer, Custom Manufacturer
Custom manufacturer of inverter, instrument & transistor transformers. Transformers such as converter transformers, current transformers, filament transformers, R-core transformers, inverter transformers, low profile transformers, 400 Hz transformers, audio transformers, switch mode transformers, plate transformers, medical (UL 2601/IEC 601) transformers, hi-temperature (Class H per UL 1446) & pot core transformers are available. Products such as autotransformers, single phase transformers, three phase autotransformers, three phase isolation transformers, small PC transformers & AC/DC constant voltage transformers are also available.
www.lenco-elect.com/custom_transformers.htm

Ohio Semitronics, Inc. - Hilliard, OH
Manufacturer, Service Company
Custom manufacturer of single-phase & instrument transformer. Current transducers are available as hall effect, single & 3-phase, current relay, programmable & set point transducers. Current transducers are designed to withstand motor start-up transients & for applications where UL listed measurement devices are required.
www.ohiosemitronics.com/products.asp

Tripp Lite - Chicago, IL
Manufacturer, Custom Manufacturer
Manufacturer of line conditioners. Line noise filtering eliminates harmonic distortion & line problems. General purpose isolation transformers or medical-grade isolation transformers featuring hospital-grade plug & receptacles. Isolation transformers deliver complete line isolation, continuous noise filtering & enhanced common mode surge suppression for uncompromised operation of audio, video, medical-grade & hospital-grade applications.
www.tripplite.com/EN/products/index.cfm?txt...

AFP Transformers, LLC - Edison, NJ
Manufacturer, Custom Manufacturer
Custom manufacturer of power transformers for elevator, microwave, instrument & medical equipment. Power transformers are available in dry-type & cast coil configurations with operating voltage ratings from 600 V to 36 KV. Power transformers are fabricated in open core & coil, NEMA enclosure, pad-mount enclosure & unit substation designs. Power transformers feature copper or aluminum winding construction, temperature readout indicators, high voltage plug in bushings & rectifier duty ratings. Power transformers are UL®/cUL® listed & CE certified. JIT delivery available.
www.afp-transformers.com/powertrans.htm

Laser Technologies, Inc. - Naperville, IL
Custom Manufacturer, Service Company
ISO 9001:2000 certified custom fabricator of medical equipment & instrument transformers. Capabilities include CNC punching, machining, turning & turret pressing, grinding, press braking, roll forming, tube bending, welding, stamping, notching & rebuilding. Finishing, powder coat painting, tool designing & building, assembly, rapid prototyping, turnkey manufacturing, CAD designing, packaging, warehousing, distributing & shipping services are also available. Kan Ban delivery.
www.lasertechnologiesinc.com/metal-fabricat...

Torelco - Phillipsburg, NJ
Manufacturer, Custom Manufacturer
Manufacturer of transformers in various styles including toroids, bobbins, EI, UI, EE, L, E Cores, EC cores, pot cores, RM cores, EP cores, C cores, custom gapped. Materials utilized include tape wound, ferrite, MPP, amorphous, sendust, powdered iron, nickel alloys & silicon steel.
www.torelco.com/products.html

Merrimac Industrial Sales - Haverhill, MA
Distributor, Service Company
Distributor of transformers including line & instrument transformers. Various types of transformers also includes buck or boost, control, DC to DC, general purpose, ignition, distribution, low voltage, motor drive isolation, single & three-phase, power & encapsulated transformers. Capabilities include engineering, designing & contract manufacturing.
Brand Names: Hammond
www.merrimacindustrial.com/Transformers_Ham...

Endicott Coil Co., Inc. - Binghamton, NY
Custom Manufacturer
Custom manufacturer of instrument transformers. Types of transformers also include power transformers, current transformers, isolation transformers, step-up/step-down transformers, flyback transformers, current sensing transformers, autotransformers, switch mode power supply transformers, printed circuit board (PCB) assemblies transformers and ferrite transformers. Available in series and parallel configurations in power ratings from 3 VA to 56 VA and secondary voltage ratings from 10 V to 36 V. Capabilities include prototyping, design/engineering, in-house tooling, molding, vacuum impregnation, encapsulating, ultrasonic welding and assembly. Meets UL® and CSA® standards. RoHS compliant.
www.endicottcoil.com/custom-transformer-man...

Instrument Transformers Products
	Custom Transformers & Inductors Design & Manufacturing

EMRA Controls, Inc. - Auburn, WA
Manufacturers' Rep, Service Company
Mfr's rep. specializing in instrument and impedance transformers. Controls, sensors, thermocouples, inductors, relays, light curtains, cord grips, connectors, transducers, switches and microprocessors are also available. Suitable for electrical and electronic industries.
www.emracontrols.com/

Magnetic Specialties, Inc. - Telford, PA
Manufacturer, Custom Manufacturer
Custom manufacturer of instrument transformers. Types include potential, furnace, specialty, high frequency, ferroresonant, rectifier, filament, isolation, plate, constant voltage regulator & output transformers. Transformers up to 500 kVA power are also available.
www.magspecinc.com/index.html

Mech-Tronics - Mount Holly, NJ
Manufacturer, Custom Manufacturer
Custom mfrs. of all types of bobbin & toroidal magnetic coil windings to customer print or specs. PC board mount specialists in medium/high frequency. Miniature to medium size transformers including E-core, ferrite, high voltage, pot-core & toroidal.
www.mech-tronics.net

Power Magne-Tech Corp. - Perth Amboy, NJ
Custom Manufacturer
Custom manufacturer of machine tool control and instrument transformers. Capabilities include designing and testing. Utilities, medical, dental, test equipment, audio, video, communications, military and aerospace industries served. Made in USA.
powermagnetech.com/

Glen Magnetics, Inc. - Alpha, NJ
Manufacturer, Custom Manufacturer
Manufacturer & custom manufacturer of transformers including instrument, inverter, isolation, laboratory & laminated transformers. Transformer types include isolation, auto (buck/boost), inductors/chokes, three phase, audio, MIL-T-27, ferroresonant, switching, coils, & high voltage, 1VA to 5,000VA (5kVA) single phase, 10kVA 3 phase power, 50 Hz. to 30,000 Hz. Small high frequency units to 250 MHz. frequency, 10,000 volts, voltage & sizes of less than 1/2 cubic in. to larger than 1cubic ft., open style, potted in cans (drawn or fabricated), & hermetic sealed constructions, silicon steel laminations.
www.glenmagnetics.com

Poco Sales - Chatsworth, CA
Distributor, Custom Manufacturer
Distributor of circuit breakers for industrial, marine, military, medical, telecom & OEMs. In stock, JIT delivery, electronic enclsoures from small boxes to 19 inch rack cabinets. Industry, OEM, telecom, pre-production or prototype runs, movie or medical.
www.pocosales.com/

Communication Coil, Inc. - Schiller Park, IL
Manufacturer, Custom Manufacturer
Manufacturer of custom RF & power transformers; air core, toroidal, pot core, ferrite, SMPS. Inductors, coils; non-magnetic. LC filters, chokes, & baluns for medical, military, airborne, marine, instrumentation, industrial & wireless communications.
www.communicationcoil.com/transform.html

Tri-State Instrument Laboratory - Tulsa, OK
Distributor, Service Company
Distributor of DC ammeters shunts & instrument transformers for electronic & electrical test instruments. Industries served include aircraft, oil, public utilities & electrical contractors.
Brand Names: Yokogawa
tristateinst.com/all_other_products.html

Andover Coils, LLC - Lafayette, IN
Manufacturer, Custom Manufacturer
Specialists in the design & manufacture of custom ignition coils for high-performance automotive, large-industrial, motorcycle, aircraft engine & military applications worldwide. Producers of contactor coils & medical x-ray transformers. Coils withstand the harshest environments with reliability. Stators.
www.andovercoils.com

ROMAC - Commerce, CA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer & distributor of standard & custom instrumentation transformers. Types of transformers include low-voltage instrumentation voltage transformers & low-voltage instrumentation current transformers. Features include frame, enclosure, tank, tap board, de-energized tap changer, dual-voltage switch, endings, fuse block, core yoke, monitor panel, thermostat, cooling fans, control relays, radiators, bushings, valves, pressure-relief devices, dead-front inserts, dead-front wells, terminal or polarity markings & air terminal chambers. Applications include shopping centers, schools & manufacturing/process plants. 24-7 telephone support available.
www.romacsupply.com/section_17_Transformers...

Herman H. Sticht Co., Inc. - Brooklyn, NY
Manufacturer
Manufacturer of instrument transformers, tachometers, portable & stationary tachometers, centrifugal, chronometric, vibrating reed, stroboscopic & electrical types. Static eliminators, multimeters, megohmmeters, ohmmeters, insulation testers, vibrating reed frequency meters, running time meters, stop watches, electrostatic neutralizers.
Brand Names: AEMC, Amprobe Instrument, BK Precision, Fluke, Jaquet, Pacer, Shimpo, Simpson, Sperry, Standco,...
www.stichtco.com/

Atco Technologies, Inc. - Apple Valley, CA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of instrument transformers. Types include power transformers, high & low voltage transformers, pulse transformers, ferro resonant transformers & audio transformers. Transformers can be custom designed to specification & can be hermetically sealed, vacuum impregnated or epoxy encapsulated. Capabilities include electronic, mechanical & general assembly & testing of all parts to meet electrical parameters. Industries served include military defense, automotive, airline, railroad, electrical, industrial, & energy. Various material management options are available including Kanban, JIT & bonding. Units that meet MIL-SPEC can be engineered.
www.atcotech.com/custom_manufacturing.html