Circuit Protection

Circuit Protection Components for Electrical, Fleet & Industrial Applications

Ensure the safety, reliability, and efficiency of your electrical systems with our comprehensive selection of circuit protection components. Our range includes circuit breakers, fuses, fuse blocks, relays, switches, and junction blocks - engineered for vehicle upfits, equipment maintenance, and electrical panel installations.

Circuit Breakers & Fuses (Overcurrent Protection)

Explore our full line of circuit breakers and fuses for overcurrent protection in industrial panels and fleet vehicles. These components interrupt excessive current flow, preventing damage to wiring and sensitive equipment.

Fuse Holders, Fuse Taps & Fuse Blocks / Panels (Power Distribution)

Organize and streamline your power distribution with fuse holders, fuse taps, and fuse blocks. These products provide secure mounting and easy access for serviceable fuses, supporting quick replacement and minimizing downtime.

Relays, Switches & Solenoids (Control Components)

Control power flow and automate electrical functions with our range of relays, switches, and solenoids. Choose from plug-in relays, heavy-duty solenoids, and toggle or rocker switches.

Terminal Junction Blocks & Electrical Connection Points

Simplify wiring and ensure secure connections with terminal junction blocks. These components provide organized, accessible locations for joining multiple wires.

Flashers & Signaling Components

Enhance safety with flashers and signaling components designed for fleet vehicles and industrial equipment, supporting turn signals, hazard lights, and other visual alerts.

Value Propositions

  • Protects wiring and equipment from overload/short circuits: Prevent costly damage and downtime with reliable overcurrent protection.
  • Streamlines power distribution with organized blocks/panels: Maintain clean, scalable electrical systems for easier troubleshooting and expansion.
  • Service-friendly components (replaceable fuses, relay sockets): Minimize maintenance time with accessible, modular parts.
  • Supports fleet upfit, industrial maintenance, and electrical installs: Engineered for demanding environments and diverse applications.
  • Helps meet reliability and safety requirements in harsh environments: Built to withstand vibration, moisture, and temperature extremes.
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TOGGLE SWITCH - ON/OFF/ON 3 SCREWS, SPDT

TS573
  • Heavy duty toggle switches.
  • Ideal for industrial controls, marine panels, trucks, buses and automotive applications.
  • The frame and supports are made from zinc plated steel.
  • Has a black phenolic base.
  • Recommended mounting hole is .500" diameter.
  • Circuitry: On-Off-On
  • Single pole, double throw.
  • Ratings: 20 amps @ 125VAC and 21 amps @ 14VDC.
  • Three screw terminals.
    $45.50
    $9.10
    + -

    TOGGLE SWITCH - ON/ON 3 SCREWS, SPDT

    TS572
    • Heavy duty toggle switches.
    • Ideal for industrial controls, marine panels, trucks, buses and automotive applications.
    • The frame and supports are made from zinc plated steel.
    • Has a black phenolic base.
    • Recommended mounting hole is .500" diameter.
    • Circuitry: On-On
    • Single pole, double throw.
    • Ratings: 20 amps @ 125VAC and 21 amps @ 14VDC.
    • Three screw terminals.
      $45.50
      $9.10
      + -

      TOGGLE SWITCH SAFETY COVER RED - ON/OFF SWTICHES

      TSC1
      • Standard handle, toggle switch safety cover.
      • Prevents accidental actuation.
      • Spring loaded design with a steel faceplate and plastic cover.
      • For use with on-off toggle switches.
      • Red in color.
        $9.945
        + -

        TOGGLE SWITCH - ON/OFF 4 SCREWS, DPST

        TS574
        • Heavy duty toggle switches.
        • Ideal for industrial controls, marine panels, trucks, buses and automotive applications.
        • The frame and supports are made from zinc plated steel.
        • Has a black phenolic base.
        • Recommended mounting hole is .500" diameter.
        • Circuitry: On-Off
        • Single pole, double throw.
        • Ratings: 20 amps @ 125VAC and 21 amps @ 14VDC.
        • Four screw terminals.
          $46.575
          $9.315
          + -

          TOGGLE SWITCH BOOT - SILICONE 15/32 THREADS SHORT HANDLE

          TSB
          • Short handle, toggle switch boot.
          • 15/32 threads.
          • Tough rubber silicone covers are UV-resistant.
          • Protect switches from moisture, dust and dirt.
          • Screws onto most toggle switches.
          • Rated at -40°F to 356°F.
            $23.10
            $4.62
            + -

            TOGGLE SWITCH - ON/OFF/ON 6 SCREWS DPDT

            TS577
            • Heavy duty toggle switches.
            • Ideal for industrial controls, marine panels, trucks, buses and automotive applications.
            • The frame and supports are made from zinc plated steel.
            • Has a black phenolic base.
            • Recommended mounting hole is .500" diameter.
            • Circuitry: On-Off-On
            • Single pole, double throw.
            • Ratings: 20 amps @ 125VAC and 21 amps @ 14VDC.
            • Six screw terminals.
              $62.325
              $12.465
              + -

              TOGGLE SWITCH - ON/ON 6 BLADES, DPDT

              TS576Q
              • Heavy duty toggle switches.
              • Ideal for industrial controls, marine panels, trucks, buses and automotive applications.
              • The frame and supports are made from zinc plated steel.
              • Has a black phenolic base.
              • Recommended mounting hole is .500" diameter.
              • Circuitry: On-On
              • Single pole, double throw.
              • Ratings: 20 amps @ 125VAC and 21 amps @ 14VDC.
              • Six 1/4" blade terminals.
                $58.95
                $11.79
                + -

                TOGGLE SWITCH - ON/ON 6 SCREWS, DPDT

                TS576
                • Heavy duty toggle switches.
                • Ideal for industrial controls, marine panels, trucks, buses and automotive applications.
                • The frame and supports are made from zinc plated steel.
                • Has a black phenolic base.
                • Recommended mounting hole is .500" diameter.
                • Circuitry: On-On
                • Single pole, double throw.
                • Ratings: 20 amps @ 125VAC and 21 amps @ 14VDC.
                • Six screw terminals.
                  $65.025
                  $13.005
                  + -

                  TOGGLE SWITCH-M(ON)-OFF-M(ON) 3 SCREWS SPDT

                  TS575
                  • Heavy duty toggle switches.
                  • Ideal for industrial controls, marine panels, trucks, buses and automotive applications.
                  • The frame and supports are made from zinc plated steel.
                  • Has a black phenolic base.
                  • Recommended mounting hole is .500" diameter.
                  • Circuitry: MOMENTARY ON-OFF-MOMENTARY ON
                  • Single pole, double throw.
                  • Ratings: 20 amps @ 125VAC and 21 amps @ 14VDC.
                  • Three screw terminals.
                    $48.75
                    $9.75
                    + -

                    TOGGLE SWITCH - ON/OFF 4 BLADES, DPST

                    TS574Q
                    • Heavy duty toggle switches.
                    • Ideal for industrial controls, marine panels, trucks, buses and automotive applications.
                    • The frame and supports are made from zinc plated steel.
                    • Has a black phenolic base.
                    • Recommended mounting hole is .500" diameter.
                    • Circuitry: Momentary On-Off-Momentary On
                    • Single pole, double throw.
                    • Ratings: 20 amps @ 125VAC and 21 amps @ 14VDC.
                    • Four 1/4" blade terminals.
                      $45.90
                      $9.18
                      + -

                      TOGGLE SWITCH BOOT - SILICONE 15/32 THREADS SHORT HANDLE 100/BAG

                      TSB-100
                      • Short handle, toggle switch boot.
                      • 15/32 threads.
                      • Tough rubber silicone covers are UV-resistant.
                      • Protect switches from moisture, dust and dirt.
                      • Screws onto most toggle switches.
                      • Rated at -40°F to 356°F.
                        $462.00
                        $4.62
                        + -

                        FUSE HOLDER - ATO/ATC 30 AMP, 12 GAUGE, WATERPROOF

                        WPATCFH
                        • In-line fuse holder for ATO/ATC fuses.
                        • Black fuseholder with protective cap.
                        • Yellow, 12 gauge wire leads.
                        • 3-30 amps.
                          $68.75
                          $6.875
                          + -

                          RELAY 12 V, SPDT NO BRACKET W/RESISTOR, 5 PIN

                          X0332201107
                          • 12 volts
                          • SPDT
                            $163.20
                            $16.32
                            + -

                            RELAY 12 V, 40 A 5PINR SPDT, NO BRACKET

                            X0332204151
                            • Standard mini relay.
                            • Originally designed for use in automotive applications.
                            • Used to switch electrical devices featuring high power levels, or which are sensitive to voltage loss.
                            • Relays relieve the load on control switches and make for small voltage drops.
                            • Single pole, double throw.
                            • Does not have a bracket.
                            • Rated for 12-15 volt applications.
                            • Maximum resistive load is 40 amps.
                              $15.385
                              + -

                              CIRCUIT BREAKER WATERPROOF TYPE III 100 AMP MANUAL RESET

                              X100CB175
                              • High amp type III switchable manual reset circuit breaker.
                              • Flush mount with sems nut installed.
                              • Typically used in auxiliary and accessory circuits for trucks, busses, RVs and marine applications.
                              • Also have applications in battery charger systems and DC audio systems.
                              • 100 amp.
                                $74.985
                                + -

                                CIRCUIT BREAKER WATERPROOF TYPE III, 100 AMP MANUAL RESET

                                X100CB185
                                • High amp type III switchable manual reset circuit breaker.
                                • Flush mount with sems nut installed.
                                • Typically used in auxiliary and accessory circuits for trucks, busses, RVs and marine applications.
                                • Also have applications in battery charger systems and DC audio systems.
                                • 100 amp.
                                  $76.4235
                                  + -

                                  FUSE BLOCK - ATO/ATC 4 GANG ATO/ATC, NO CONTACTS

                                  X12004943
                                  • Units slide together to gang for multiple combinations.
                                  • Mounting holes for #10 screws are 3-1/8" apart.
                                  • Does not include terminals
                                    $5.634
                                    + -

                                    RELAY 12 V, SPDT MICRO 280 TERMINALS W/RESISTOR, 30 AMPS NO BRACKET

                                    X12077866
                                    • Compact and capable operating at up to 30A and 12VDC
                                    • Ideal for Headlight Control, Fuel Pump Control, Horn Control, A/C Compressor Clutch, Etc.
                                    • Plastic sealed and designed with parallel transient suppression resistor and a Form C contact
                                      $165.606
                                      $16.5606
                                      + -

                                      CIRCUIT BREAKER WATERPROOF TYPE III 120 AMP MANUAL RESET

                                      X120CB175
                                      • High amp type III switchable manual reset circuit breaker.
                                      • Flush mount with sems nut installed.
                                      • Typically used in auxiliary and accessory circuits for trucks, busses, RVs and marine applications.
                                      • Also have applications in battery charger systems and DC audio systems.
                                      • 120 amp
                                        $74.76
                                        + -

                                        FUSE BLOCK - ATO/ATC 10 FUSE, MAX LOAD 150 AMPS

                                        HDFB10
                                        • Heavy duty ATO/ATC fuse blocks.
                                        • Accommodates 10 fuses.
                                        • 1/4" male blade side terminals.
                                        • 30 amps per circuit.
                                        • 12 volts.
                                        • Clear acrylic dust cover with fastening nut.
                                          $42.84
                                          + -

                                          FUSE BLOCK - ATO/ATC 4 FUSE, MAX LOAD 60 AMPS

                                          HDFB4
                                          • Heavy duty ATO/ATC fuse blocks.
                                          • Accomodates 4 fuses.
                                          • 1/4" male blade side terminals.
                                          • 30 amps per circuit.
                                          • 12 volts.
                                          • Clear acrylic dust cover with fastening nut.
                                            $23.8875
                                            + -

                                            FUSE BLOCK - ATO/ATC 12 FUSE, MAX LOAD 180 AMPS

                                            HDFB12
                                            • Heavy duty ATO/ATC fuse blocks.
                                            • Accomodates 12 fuses.
                                            • 1/4" male blade side terminals.
                                            • 30 amps per circuit.
                                            • 12 volts.
                                            • Clear acrylic dust cover with fastening nut.
                                              $48.16
                                              + -

                                              FUSE BLOCK - ATO/ATC 6 FUSE, MAX LOAD 90 AMPS

                                              HDFB6
                                              • Heavy duty ATO/ATC fuse blocks.
                                              • Accomodates 6 fuses.
                                              • 1/4" male blade side terminals.
                                              • 30 amps per circuit.
                                              • 12 volts.
                                              • Clear acrylic dust cover with fastening nut.
                                                $33.1125
                                                + -

                                                FUSE BLOCK - ATO/ATC 8 FUSE, MAX LOAD 120 AMPS

                                                HDFB8
                                                • Heavy duty ATO/ATC fuse blocks.
                                                • Accomodates 8 fuses.
                                                • 1/4" male blade side terminals.
                                                • 30 amps per circuit.
                                                • 12 volts.
                                                • Clear acrylic dust cover with fastening nut.
                                                  $37.135
                                                  + -
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