Power Quality
Power distribution, UPS systems, transformers, and power quality equipment for reliable electrical infrastructure.
Power distribution, UPS systems, transformers, and power quality equipment for reliable electrical infrastructure.
World-class manufacturers providing products and solutions for power quality applications.

Hammond Manufacturing (est. 1917, Guelph, Ontario, Canada) operates three divisions: Electrical Enclosures, Electronics (Transformers, Small Cases, Power Distribution), and DCI (Data Communication Infrastructure / Racks & Cabinets). Thousands of SKUs across mild steel, stainless steel, aluminum, polycarbonate, ABS, and fiberglass enclosures. NEMA 1/3R/4/4X/6P/12 and IP20 through IP69K ratings. UL/cUL listed, CSA certified. Cross-reference tool for competitor part numbers.

Founded 1939 in Germany, Bender is the global leader in electrical safety — insulation monitoring, ground fault protection, residual current monitoring, and fault location for IT (ungrounded), HRG, and grounded power systems. North American subsidiary Bender Inc. founded 1983 in Exton, PA. Family-owned, third-generation leadership. 1,350+ employees, 17 subsidiaries, 70+ countries. ISO 9001:2015 certified. Patented AMPPlus adaptive measuring pulse technology. Only manufacturer with UL 943 listed high-amperage Class A GFCIs.

Founded 1962 in Nashville, TN by Robert 'Doc' Benson (Vanderbilt professor). Bonitron is a leading manufacturer of VFD accessories — overvoltage braking solutions, line regeneration, and undervoltage ride-through (UPD) systems. Privately held, 51-200 employees. Rockwell Automation Technology Partner. Products connect directly to drive DC bus terminals for maximum efficiency. Patented problem-solver approach — products born from solving real customer problems. Over 99% efficiency on line regeneration. Made in USA. 60+ years in business.

Founded 1937 in France, Citel is a global leader in Surge Protective Devices (SPDs) — US subsidiary CITEL Inc. headquartered in Miramar, FL since 1985. Unique as both a GDT component manufacturer and finished SPD producer. Patented VG Technology (MOV+Gas-Filled Spark Gap hybrid) delivers Type 1+2+3 protection in a single device with zero leakage current. UL 1449 5th Edition listed across Type 1, Type 1CA, Type 2, Type 2CA, and Type 4CA classifications. Serves AC power, DC power, solar PV, dataline, RF, LED lighting, EV charging, water/wastewater, and industrial markets.

Cincinnati, OH-based specialty manufacturer of power resistors — ISO 9001 certified, IEEE 32 tested. Neutral Grounding Resistors (10s to continuous, up to 20kV L-N, 2,400A), High Resistance Grounding systems (up to 98% arc flash reduction), dynamic braking resistors for all major VFD brands (ABB, Allen Bradley, GE, Siemens, Yaskawa, Toshiba), and Series CC/CE/CG/CH/CW resistor elements. NEMA 1/3R/4/4X enclosures, stainless steel 304/316 options.

Made-in-USA manufacturer of industrial IR windows, visual inspection windows, ultrasound ports, and Metalphoto equipment labels. UL 50V certified, NEMA 4X/IP66, NFPA 70E/OSHA/CSA Z462 compliant. Transmissive polymer optics (LWIR & MWIR). Lifetime unconditional warranty. Rochester, NY.

Grace Technologies (formerly Grace Engineered Products), headquartered in Davenport, Iowa, 30+ years in business. ISO 9001:2015 certified. Manufactures panel interface connectors (16,000+ configurations), permanent electrical safety devices (PESDs) for NFPA 70E / CSA Z462 / UL 61010 compliant LOTO, and GraceSense IIoT predictive maintenance platforms. Products support OSHA 29 CFR 1910, NFPA 70E Article 120.6, IEEE 1584, NFPA 70B, and IEEE 2969 standards.

Marathon Power Inc. (Huntington Park, CA) — premium customizable AC UPS systems for OEM, traffic/transportation, healthcare, industrial automation, test/measurement, and harsh environments. True on-line double conversion, line-interactive, and batteryless supercapacitor topologies. Tower, rack-mount, DIN rail, and ruggedized form factors. UL 1778, UL 508, CSA C22.2, NEMA TS2 certified. C1D2 hazardous location rated DIN rail models.

Power quality monitoring, energy billing platforms, and power meters. 10,000+ products deployed globally. Meters, analyzers, branch feeder monitors, current sensors, and cloud energy management software.

80+ year German fuse specialist — 10,000+ different fuse products. European market leader in medium voltage fuses (2.4-40.5kV). ULTRA RAPID semiconductor protection. PV & ESS DC fuses to 5,200VDC UL/IEC. UL/CSA/IEC/DIN/BS/NF certified. US HQ: West Caldwell, NJ. Mining heritage — highest safety standards.

German manufacturer (est. 1948, Altdorf) of circuit breakers, electronic circuit protectors, solid state relays, and intelligent power distribution systems. Key series: 3120 thermal (most popular), REF16/ESX10 electronic protectors, ControlPlex intelligent PDUs, SVS DIN rail power distribution. UL 1077/489, IEC 60934/60947.

Finder S.p.A. is a specialist relay manufacturer founded in 1954 by Piero Giordanino (who patented the first step relay in 1949), headquartered in Almese (Susa Valley), Piedmont, Italy. Over 70 years of production, 14,500+ different products, over 70% manufactured at Italian HQ. Global presence with sales subsidiaries in 28 countries and 80+ distribution partnerships. US subsidiary: Finder Relays, Inc., 4191 Capital View Drive, Suwanee, GA 30024, Tel: (770) 271-4431, sales@finder-us.com. Highest number of quality approvals of any relay manufacturer. Products serve industrial automation, control panels, building automation, HVAC, lighting, energy management, railways, marine, solar/EV, and hazardous locations (ATEX/IECEx/HazLoc). All products manufactured in Italy, tested up to 4 times before distribution. ISO9001 certified.

LS ELECTRIC Co., Ltd. (formerly LG Industrial Systems → LSIS, rebranded 2020) is a major Korean electrical manufacturer founded in 1974, headquartered in Anyang-si, South Korea with US HQ in Lincolnshire, IL. Revenue ~$3B, 3,500+ employees, 8 manufacturing plants worldwide (Korea, China, Vietnam). They manufacture a comprehensive range of power distribution, motor control, automation, and renewable energy products. UL, CSA, IEC, CE, ANSI, IEEE certified. Products span LV/MV circuit breakers, VFDs (0.5-670HP), contactors (6-800A), PLCs, HMIs, servo systems, soft starters, switchgear, cast resin transformers, and a full DC product line for solar/renewable applications.

Founded 1983 in Taiwan, Dinkle is a global terminal block manufacturer with 5 manufacturing sites, 400+ R&D engineers, US office in Missouri City, TX. ISO 9001/14001 certified. UL, cUL, VDE, TUV, ENEC, Lloyd's Register approved. Products span PCB, DIN rail (push-in/spring/screw/stud), barrier, and NEMA terminal blocks plus electronics — 2A to 620A, 150V to 1500V.

Jefferson Electric (est. 1915, now under Voltaris Power brand) and Pioneer CEP (PCEP) — dry-type transformers up to 10 MVA at 35kV class, plus custom-engineered MV/LV switchgear, substations, and integrated power centers. Manufacturing in Goodyear AZ, Santa Fe Springs CA, and Mexicali (400,000+ sq ft). UL Listed, DOE-2016, seismic ICC-ES AC156 certified.

Founded 1894. Premier electrical hardware & fastener manufacturer — 900+ SKUs across 9 brands: Minerallac Traditional, Impact & Redmore, Cully Fasteners/Tools/Safety/Paints/Electrical, BlackClaw. 98% fill rate, 24hr ship, 0 errors. Made in USA. Cross-references Caddy, B-Line, T&B.

Ammo International, Inc. (dba Ammo Electric) is a wholesale electrical manufacturer and distributor headquartered in Brooklyn, NY, founded in 2008. They offer a comprehensive range of UL and ETL listed electrical products spanning 15 major categories including conduit, wire, electrical boxes, wiring devices, fittings, grounding, lighting, and ventilation. Products are manufactured and distributed for commercial, residential, and industrial electrical applications.

VanTran Industries (est. 1963, Waco TX). Custom liquid-filled distribution transformers up to 10MVA/46kV. Also dry-type MV after MGM merger (2024/Forgent). ~250 employees, 430,000 sq ft expansion. Buy American/IIJA/IRA compliant. IEEE/ANSI C57.12, DOE 2016. Inc. 5000 four consecutive years. TEC Sales covers TX & OK. Engineered-to-order — no standard model numbers.

RVE (Canada/USA) — pioneer in EV Energy Management Systems (EVEMS) for multi-unit dwellings, condos, apartments, townhouses, and single-family homes. Hardware-based load management (safer/faster than software-only). No panel upgrades required. Compatible with all EV chargers. Automatic 80% capacity protection. CE Code 8-106(10/11) compliant. Proven since 2015 with tens of thousands of North American EV owners.

Trans-Coil International (now Allient Milwaukee). Founded 1961, Germantown WI. 3,800+ SKUs. Active & passive harmonic filters, line reactors, sine wave filters, dV/dt filters, EMI filters, PF correction, control transformers. IEEE 519 compliant. PQconnect IoT monitoring (Bluetooth/Modbus/EtherNet/IP). ISO 9001:2015. Made in USA. Rockwell Automation Technology Partner.
Vertically integrated copper conductor manufacturer (est. 1929, Chambéry, France) specializing in copper bus bars, custom profiles, Maxiflex™ flexible insulated bus bars (up to 2,500A, UL 508/891 certified), precision components, and Earthmet™ grounding systems. 95% recycled copper. Production in France and USA.

Global UPS manufacturer (part of Riello Elettronica Group, Italy) offering 400 VA to 1600 kVA uninterruptible power supplies — online double conversion (VFI), line-interactive (VI), and VFD standby topologies. Tower, rackmount, and modular form factors. Data center, industrial, medical, telecom, and commercial applications. SiC MOSFET technology in Multi Power2 series.

Global leader in electrical connection systems and accessories for power transmission and distribution networks. Encompasses Sicame North America (connectors, compression, dead-ends), Piranha (submersible underground IPCs), EZ Wedge (power-actuated connectors), MechaSplice (mechanical tension repair), Hydel (meter enclosures), Power Line Sentry (wildlife mitigation, insulating line hose), Kortick (ArmorGalv coatings, pole line hardware), and CATU (electrical safety PPE/tools). ANSI C119.1/C119.4, IEEE 404, UL, CSA certified.

German manufacturer (est. 1921) of industrial joysticks, master controllers, operator control stations, foot pedals, resistors, operator cabins, and IMET radio remote controls for crane, construction, mining, port, steel, maritime, and industrial applications. Spobu-NA is the North American division.

Arcteq Relays Ltd, headquartered in Vaasa, Finland and part of the Ensto Group, is a pioneer of arc flash protection and manufacturer of high-accuracy protection relays. With 50,000+ protection devices and 100,000+ arc flash sensors deployed in 50+ countries, they serve utilities, industrial, power generation, offshore/marine, mining, railway, and commercial markets. Products span five platforms: AQ 100 (arc flash), AQ 200 (compact protection), AQ 250 (advanced protection with IEC 62443 cybersecurity), AQ 300 (transmission-grade), and AQ 50 (fault detection). All products are UL/C certified, ISO 9001:2015 compliant, and support IEC 61850, Modbus, DNP3, and IEC 60870-5-101/104 protocols. Features include patented intermittent earth fault protection, 0.2S class measurement accuracy (6-75 Hz), and resettable arc quenching technology.

Motor control automation and power distribution solutions for industrial applications, specializing in motor control centers, power panels, and custom electrical assemblies.

Telergon (Gorlan Group, Spain) — AC/DC switch-disconnectors, changeover switches, and fuse switch-disconnectors for power distribution, renewable energy, and industrial applications. IEC 60947-3, UL 98/98B certified. Self-cleaning blade-type contacts, quick-make/quick-break detent mechanism. Up to 100kA short circuit withstand. Products for photovoltaic, BESS, EV infrastructure, and traditional industrial power.

Authorized distributor of DEIF (Denmark) power metering and instrumentation products. DEIF is a global manufacturer of measuring instruments, multi-instruments, transducers, current transformers, and insulation monitors for 2-phase and 3-phase AC/DC power distribution networks. Products feature true RMS measurement, RS-485 Modbus RTU / Profibus DP / Ethernet TCP/IP communication, DNV marine approval, and accuracy classes from 0.2 to 1.5. Applications span utility, industrial, commercial, marine, and renewable energy power systems.
Our technical sales team can help you select the right products for your power quality application. Get in touch today.