Industrial Electrical Supplies
Electrical Supplies Unlimited (ESU) is your trusted source for new, surplus, obsolete, and hard-to-find industrial electrical supplies. For more than 40 years, we've helped electrical contractors, industrial facilities, commercial businesses, utilities, OEMs, and maintenance professionals find the electrical equipment they need to keep projects moving and operations running efficiently. From power distribution equipment and circuit protection devices to motor controls, industrial automation components, and replacement electrical parts, ESU maintains an extensive inventory of quality products from many of the industry's leading manufacturers.
Whether you're searching for a discontinued circuit breaker, a replacement transformer, a motor starter, switchboard, panelboard, disconnect switch, or industrial control component, our experienced team can help you locate the right solution quickly. We buy and sell new, used, surplus, and obsolete electrical equipment, making ESU a valuable resource for companies looking to reduce downtime, source difficult-to-find components, or recover value from surplus inventory. Browse the electrical supply categories below to learn more about the products we offer and how Electrical Supplies Unlimited can support your next project.
Power Distribution Equipment
- Power Transformers
- Dry Type Transformers
- Pad Mounted Transformers
- Distribution Transformers
- Switchboards
- Switchgear
- Panelboards
- Bus Duct / Busway
- Motor Control Centers (MCCs)
- Disconnect Switches
- Safety Switches
- Transfer Switches
- Automatic Transfer Switches (ATS)
Circuit Protection
- Circuit Breakers
- Molded Case Circuit Breakers
- Insulated Case Circuit Breakers
- Low Voltage Power Breakers
- Medium Voltage Circuit Breakers
- Fuses
- Fuse Holders
- Fusible Switches
- Surge Protection Devices
Motor Control
- Motor Starters
- Combination Starters
- Magnetic Starters
- Manual Motor Starters
- Motor Controls
- Variable Frequency Drives (VFDs)
- Soft Starters
- Contactors
- Overload Relays
- Control Relays
Electrical Components
- Control Panels
- Enclosures
- Junction Boxes
- Terminal Blocks
- Control Transformers
- Power Supplies
- Industrial Push Buttons
- Pilot Lights
- Selector Switches
Wiring & Distribution
- Wire and Cable
- Cable Tray
- Conduit
- Conduit Fittings
- Bus Plugs
- Grounding Equipment
Industrial Automation
- PLC Components
- Industrial Controls
- Sensors
- Timers
- Limit Switches
- Safety Relays