Overload Relays

Overload Relays — New & Used

Overload relays offer motor and load protection by interrupting power when current or thermal load exceeds safe limits. Typically used with contactors or motor starters, they safeguard motors and equipment against overheating, phase failure, and excess current draws.

At Surplus Select, we supply a selection of new and used OEM overload relays, including adjustable thermal models, electronic overload units, and DIN-rail or panel mount versions compatible with various industrial control systems. Surplus pricing helps maintenance teams and OEM builds get reliable protection devices affordably.

Price Match — We match any authorized distributor on identical in-stock parts, giving you surplus pricing with confidence.

Trade-In Credit — Have quality new surplus items? Trade them in for store credit toward the protection devices you need.

Fast U.S. Shipping — Most orders ship same or next business day from our U.S. warehouse to keep your systems protected.

Find Your Overload Relay Fast (Search-First)

Search by model or relay type (e.g., thermal overload relay 3-phase, electronic motor protector 5-10 A, DIN-rail overload module).
No model? Try specs like “adjustable overload relay 240 V”, “motor protection relay 3 A”, or “overload protector used”.
Need compatibility? Add current range, voltage, mount type, or phase type (single, three-phase) to narrow results.

Applications & Use Cases

Motor protection: Safeguard motors against overload, overheating, or phase issues in industrial machines.
Control panels & starters: Integrate relays into motor starters, contactor combos or control cabinets for safe operation.
Maintenance & spares: Keep replacement overload relays on hand to quickly restore protected systems after failures.
OEM & machinery builds: Use surplus overload relays in new machines to ensure proper motor protection affordably.
Retrofits & upgrades: Upgrade outdated protection circuits with reliable surplus relays to meet safety and performance needs.

Why Buy Overload Relays from Surplus Select

New & Used Options: OEM overload relays — thermal and electronic — available at surplus pricing.
Reliable Protection Solutions: Quality relays for motor and load safety without paying full new-list price.
Cost-Efficient Spares & Maintenance: Surplus inventory helps shops and maintenance teams lower replacement costs.
Fast Shipping: Most orders ship same or next business day to minimize downtime and safety risks.