Line Card

R.O.I. is pleased to represent the following industry-leading manufacturers:



GFCI and USB Receptacles. Switches and Light Dimmers.

Complete line of corrosion and UV resistant NEMA 4X and IP66 non-metallic enclosures.  Fiberglass and Polycarbonate.

Circuit protection, DIN & panel terminal blocks, PCB blocks, pushbuttons, busbar & power distribution, motor contractors & overload relays, ferrules, foot switches & Eurostrips.  Inductive proximity sensors, rectangular connectors, interface modules, marking systems, motor disconnect switches, pin & sleeve, safety relays & duct. Hirschmann test & measurement products.

Safety switches, sensors and foot switches.  Division of Altech.

Citel offers a wide range of UL 5th Edition Type 1 Surge Protection Devices.  Applications for AC panel, low voltage, LED lighting, communication, and photovoltaic systems. Overvoltage protection specialists.

Dry type transformers including Energy Efficient TP1, general purpose 1Ph and 3Ph, industrial control, buck boost, hospital isolation. Custom requirements and configurations.

I-Gard offers neutral grounding resistors (NGR).  High resistance grounding (HRG). Absence of voltage testers (AVT).  Ground fault relays.

hammond logo

Nema rated enclosures, 1, 3R, 12, 4 & 4X. Industrial, corrosion resistant, disconnect & modular freestanding. Standard & modified. Electronic enclosures.

Motor Control Products including manual motor starters & protectors, disconnect switches, IEC style contractors, definite purpose contractors, IEC style overload relays, IEC style starters, pushbuttons & pilot devices, limit, micro, foot & rotary cam switches, timers, liquid level control relays, digital metering, soft starts, automatic power factor & transfer switch controllers, programmable logic relays.

Global manufacturer of thermal management products including cooling units, filter fans, heat exchangers, heaters, thermostats and hygrostats.  Also liquid cooling solutions and signaling technology.

VFD Peripherals: AC Line Reactors, Output Filters,  Passive Harmonic Filters, Active Harmonics, RFI Filters and Power Quality Products. Power Factor Correction Systems.

Pin & Sleeve, mechanical interlock devices, power distribution units & systems, custom cable assemblies, heavy duty connectors, remote access interface ports, manual disconnect switches and E-Mobility products.