DigiKey Datasheets for Circuit Protection Components
Circuit protection devices are used to protect electronic components from unwanted transients such as current and voltage surges, electrostatic discharge (ESD), lightning, spikes and other signals that can imperil the operation or damage the component.
Circuit Protection Components: Learn more
| Product Name | Notes |
|---|---|
| 1 3P LONG TERMINAL SHIELD FOR SP | |
| 1 3P LONG TERMINAL SHIELD | |
| 1 3P SHORT TERMINAL SHIELD. | |
| 1 3P SHORT TERMINAL SHIELD | |
| 1 4P LONG TERMINAL SHIELD FOR SP | |
| 1 4P LONG TERMINAL SHIELD | |
| 1 4P SHORT TERMINAL SHIELD | |
| 1 CONNECTIONS ADAPTER 3P FOR PLU | |
| 10 CLIPS FOR CABLE LUGS INV INS | |
| 100A CLASS T FUSE COVER | |
| 12 SNAP IN NUTS M6 FIXED FRONT C | |
| 12 SNAP IN NUTS M8 FIXED FRONT C | |
| 150/250A EXTERNAL NEUTRAL CT | |
| 2 INSULATING SCREENS 3P 45 MM PI | |
| 2 INSULATING SCREENS 4P 45 MM PI | |
| 2 PINS FOR PLUG IN BASE | |
| 200A CLASS T FUSE COVER | |
| 25/100A EXTERNAL NEUTRAL CT | |
| 3 CONNECTORS 1X 120-185MM | |
| 3 CONNECTORS 1X 25-95MM | |
| 3 CONNECTORS 6X 1.5-35MM PH BARR | |
| 3 CRIMP LUGS FOR 70 COPPER CABLE | |
| 3 STEEL CONNECTORS 1X 1.5-95MM | |
| 3 STRAIGHT TERMINAL EXT PH BARRI | |
| 3P PLUG-IN BASE | |
| 3P SPREADER 52.5MM PH BARRIERS I | |
| 3P SPREADER 70MM PH BARRIERS INV | |
| 3P SPREADER PH BARRIERS | |
| 4 1X 35-300MM CONNECTORS PH BARR | |
| 4 2X 35-240MM CONNECTORS PH BARR | |
| 4 AL 150MM CRIMP LUGS PH BARRIER | |
| 4 AL 185MM CRIMP LUGS PH BARRIER | |
| 4 AL 240MM CRIMP LUGS PH BARRIER | |
| 4 AL 300MM CRIMP LUGS PH BARRIER | |
| 4 CONNECTORS 1X 120-185MM | |
| 4 CONNECTORS 1X 25-95MM | |
| 4 CONNECTORS 2X 50-120MM PH BARR | |
| 4 CONNECTORS 6X 1.5-35MM PH BARR | |
| 4 CU 120MM CRIMP LUGS PH BARRIER | |
| 4 CU 150MM CRIMP LUGS PH BARRIER | |
| 4 CU 185MM CRIMP LUGS PH BARRIER | |
| 4 CU 240MM CRIMP LUGS PH BARRIER | |
| 4 CU 300MM CRIMP LUGS PH BARRIER | |
| 4 STEEL CONNECTORS 1X 1.5-95MM | |
| 4 STRAIGHT TERMINAL EXT PH BARRI | |
| 400/630A EXTERNAL NEUTRAL CT | |
| 400A CLASS T FUSE COVER | |
| 4P SPREADER 52.5MM PH BARRIERS I | |
| 4P SPREADER 70MM PH BARRIERS INV | |
| 4P SPREADER PH BARRIERS | |
| 6 INTERPHASE BARRIERS INV INS NS | |
| 600A CLASS T FUSE COVER | |
| ALUMINUM/COPPER MECHANICAL LUG C | |
| AUXILIARY CONTACT OF OR SD NSXM | |
| BAG OF SCREWS FOR COMPACT NSX100 | |
| BREAKER MNPR SPARE TERMINAL SHIE | |
| BSCM | |
| CB EVERLINK LUG KIT (2P) W/ CW T | |
| CB EVERLINK LUG KIT 3P W/ CW TAP | |
| CB EVERLINK LUG KIT 4P W/ CW TAP | |
| CB FIXED HANDLE PADLOCK OFF ONLY | |
| CB FIXED HANDLE PADLOCK ON/OFF I | |
| CB FIXED HANDLE PADLOCK ON/OFF U | |
| CB LONG TERMINAL SHIELD 3P L-FRA | |
| CB MECHANICAL LUG KIT AL (2 PC) | |
| CB MECHANICAL LUG KIT CU (3 PC) | |
| CB MECHANICAL LUG KIT CU 2 PC | |
| CB MID TERMINAL SHIELD 3P L-FRAM | |
| CB PLUG IN BASE CONNECTION ADAPT | |
| CB SHORT TERMINAL SHIELD 3P L-FR | |
| CIRCUIT BREAKER EVERLINK LUG KIT | |
| CIRCUIT BREAKER LUG KIT 3 | |
| CIRCUIT BREAKER POLE FILLER (1 S | |
| CIRCUIT BREAKER TERMINIAL NUT KI | |
| CIRCUIT BRKR AL COMPRESSION LUG | |
| CIRCUIT BRKR COMPRESSION LUG KIT | |
| CIRCUIT BRKR CU COMPRESSION LUG | |
| CIRCUIT BRKR HANDLE INTERLOCK KI | |
| COIL MN 250V DC | |
| COIL MN AC 110 | |
| COIL MN AC 208 240V 50 60 HZ | |
| COIL MN AC 277V 60 HZ | |
| COIL MN AC 380 | |
| COIL MN AC 440 | |
| COIL MN AC DC 48V 50 60 HZ | |
| COIL MN AC | |
| COIL MN PRE WIRED AC DC | |
| COIL MX AC 110-130 V 50/60 HZ | |
| COIL MX AC 208-240 V 50/60 HZ | |
| COIL MX AC 24 V 50/60 HZ | |
| COIL MX AC 380-415 V 50 HZ | |
| COIL MX AC 48 V 50/60 HZ | |
| COIL MX PRE-WIRED AC 110-130 V 5 | |
| COIL MX PRE-WIRED AC 208-240 V 5 | |
| COIL MX PRE-WIRED AC 24 V 50/60 | |
| COIL MX | |
| COMPACT PLUG IN BASE KIT 3P | |
| ENCLOSURE BREAKER 600V 800A NEMA | |
| FUSE HOLDER COVER | |
| IP40 ESCUTCHEON FOR VIGI MODULE | |
| KIT 6 LIMITED TORQUE THROWAWAY S | |
| KIT 8 LIMITED TORQUE THROWAWAY S | |
| LONG TERMINAL SHIELD 2P UL DIS | |
| LONG TERMINAL SHIELD 3P IEC/UL D | |
| LONG TERMINAL SHIELD 4P IEC/UL D | |
| LX1FF024 | |
| LX1FF040 | |
| LX1FG024 | |
| LX1FH0482 | |
| LX1FH1102 | |
| LX1FH1272 | |
| LX1FH2202 | |
| LX1FH2402 | |
| LX1FH2772 | |
| LX1FH4402 | |
| LX1FH6002 | |
| LX1FJ048 | |
| LX1FJ110 | |
| LX1FJ127 | |
| LX1FJ200 | |
| LX1FJ220 | |
| LX1FJ240 | |
| LX1FJ380 | |
| LX1FJ415 | |
| LX1FJ500 | |
| LX4D8BD | |
| LX4F8FW | |
| LX4F8MW | |
| LX4F8QW | |
| LX4FF024 | |
| LX4FF110 | |
| LX4FF220 | |
| LX4FG024 | |
| LX4FG060 | |
| LX4FG110 | |
| LX4FG125 | |
| LX4FG220 | |
| LX4FH024 | |
| LX4FH070 | |
| LX4FH110 | |
| LX4FH125 | |
| LX4FH220 | |
| LX4FJ110 | |
| LX4FX110 | |
| MA MODULE 120V HIGH KA | |
| MA MODULE 120V LOW KA | |
| MA MODULE 240V HIGH KA | |
| MA MODULE 240V HLD HIGH KA | |
| MA MODULE 240V HLD LOW KA | |
| MA MODULE 240V LOW KA | |
| MA MODULE 277V HIGH KA | |
| MA MODULE 277V LOW KA | |
| MA MODULE 347V HIGH KA | |
| MA MODULE 347V LOW KA | |
| MA MODULE 480V HIGH KA | |
| MA MODULE 480V LOW KA | |
| MA MODULE 600V HIGH KA | |
| MA MODULE 600V LOW KA | |
| MAINT MODE SWITCH KIT MMS 120V | |
| MAINT MODE SWITCH KIT MMS 24V | |
| MICROLOGIC 5 6 7 TRANSPARENT COV | |
| MMS EXTENDED HANDLE FOR MMS-32H1 | |
| MMS EXTENDED HANDLE IP65 MMS-32H | |
| MOTOR MECH. KEYLOCK ADAPTER KEYL | |
| MULTI9 1P 12 MODULES UL508 COMB | |
| MULTI9 1P 57 MODULES UL508 COMB | |
| MULTI9 1P 6 MODULES UL508 COMB B | |
| MULTI9 2P 12 MODULES UL508 COMB | |
| MULTI9 2P 56 MODULES UL508 COMB | |
| MULTI9 2P 6 MODULES UL508 COMB B | |
| MULTI9 3P 12 MODULES UL508 COMB | |
| MULTI9 3P 57 MODULES UL508 COMB | |
| MULTI9 3P 6 MODULES UL508 COMB B | |
| MULTI9 AUX/1P 37 MOD UL508 COMB | |
| MULTI9 AUX/3P 48 MOD. UL508 COMB | |
| MULTI9 M9A OF BOTTOM WIRING 0.1- | |
| MULTI9 M9A OF BOTTOM WIRING 2-10 | |
| MULTI9 M9A OF/SD+OF TOP/BT WR 0. | |
| MULTI9 M9A SD BOTTOM WIRING 0.1- | |
| MULTI9 M9A SD BOTTOM WIRING 2-10 | |
| MULTI9 MN 115VAC-48VDC UNDERVOLT | |
| MULTI9 MN 120VAC-24VDC UNDERVOLT | |
| MULTI9 MN 220-240VAC-24VDC UNDER | |
| MULTI9 MN 24VAC/VDC UNDERVOLTAGE | |
| MULTI9 MN 48VAC-48VDC UNDERVOLTA | |
| MULTI9 MNS 220-240VAC UNDERVOLTA | |
| MULTI9 MNX 230VAC UNDERVOLTAGE R | |
| MULTI9 MNX 400VAC UNDERVOLTAGE R | |
| MULTI9 MX 100-415VAC 110-130VDC | |
| MULTI9 MX 12-24VAC 12-24VDC SHUN | |
| MULTI9 MX 48VAC 48VDC SHUNT RELE | |
| MULTI9 MX+OF 110/415VAC-110/130V | |
| MULTI9 MX+OF 12/24VAC/VDC SHUNT | |
| MULTI9 MX+OF 48 VAC-48VDC SHUNT | |
| MULTI9 SET OF 10 END CAPS FOR M9 | |
| MULTI9 SET OF 24 ADAPTATORS FOR | |
| MULTI9 SET OF 4 TERMINALS FOR M9 | |
| MULTI9 SET OF 5X3 TOUTH COVERS F | |
| MULTI9 VIGI C60 2P 63A 300MA AC | |
| MULTI9 VIGI C60 2P 63A 30MA A-SI | |
| MULTI9 VIGI C60 2P 63A 30MA AC | |
| MULTI9 VIGI C60 3P 63A 300MA AC | |
| MULTI9 VIGI C60 3P 63A 30MA AC | |
| MULTI9 VIGI C60 4P 63A 300MA AC | |
| N12 ENCLOSURE FOR MG MJ CIRCUIT | |
| N3R ENCLOSURE FOR MG MJ CIRCUIT | |
| NS RETROFIT FRONT COVER SMALL CU | |
| NSX CORD FOR U>480VAC L= 0,35 M | |
| NSX CORD L= 0,35 M | |
| NSX CORD L= 1,3 M | |
| OPEN DOOR SHAFT OPERATOR NSXM PP | |
| PHASE BARRIER IEC/UL DIS AND VIG | |
| PLATE GV7/NSX 100-250 3P 106X192 | |
| PLATINE COMPACT NSX 100-250 4P | |
| PLATINE COMPACT NSX 400-630 3P | |
| PLATINE COMPACT NSX 400-630 4P | |
| POCKET BATTERY FOR MICROLOGIC | |
| Polymeric PTC Resettable Fuse 120V (135V Int) 1.25A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 120V (135V Int) 1.35A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 120V (135V Int) 1A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 120V (135V Int) 2A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 120V (135V Int) 750mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 3.8A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 16V 5.5A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 1.25A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 120mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 160mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 1A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 250mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 2A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 330mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 400mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 50mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 550mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 750mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V (265V Int) 80mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 240V 1.25A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 6V 100mA Ih Surface Mount 0402 (1005 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 200mA Ih Surface Mount 0402 (1005 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 350mA Ih Surface Mount 0402 (1005 Metric), Concave | |
| PROFIBUS CONNECTOR | |
| PTC Resettable Fuse 680V 250mA Ih Through Hole Radial, Disc | |
| PTC Resettable Fuse Ih | |
| REAR INSULATION SCREEN 3P IEC/UL | |
| REAR INSULATION SCREEN 4P IEC/UL | |
| SAFETY TRIP INTERLOCK LINK | |
| SDX OUTPUT MODULES TRIP UNIT ACC | |
| SPD 140V MCOV 1 POLE | |
| SPD 175VAC MCOV 1 POLE | |
| SPD 385V MCOV 1 POLE | |
| SPD 550V MCOV 1 POLE | |
| SPD TYP 1/TYP 2/TYP4 150VAC MCOV | |
| SPD TYP 1/TYP 2/TYP4 180VAC MCOV | |
| SPD TYP 1/TYP 2/TYP4 275VAC MCOV | |
| SPD TYP 1/TYP 2/TYP4 320VAC MCOV | |
| SPD TYP 1/TYP 2/TYP4 385VAC MCOV | |
| SPD TYP 1/TYP 2/TYP4 420VAC MCOV | |
| SPD TYP 1/TYP 2/TYP4 510VAC MCOV | |
| SPD TYP 1/TYP 2/TYP4 550VAC MCOV | |
| SPD TYP 1/TYP 2/TYP4 690VAC MCOV | |
| SPD TYPE 1 1.1KVAC MCOV 1 POLE | |
| SPD TYPE 1 1.1KVAC MCOV 3 POLE | |
| SPD TYPE 1 1.1KVAC MCOV 4 POLE | |
| SPD TYPE 1 1.2KVAC MCOV 1 POLE | |
| SPD TYPE 1 1.5KVAC MCOV 1 POLE | |
| SPD TYPE 1 140VAC MCOV 1 POLE | |
| SPD TYPE 1 150VAC MCOV 1 POLE | |
| SPD TYPE 1 275VAC MCOV 1 POLE | |
| SPD TYPE 1 280VAC MCOV 1 POLE | |
| SPD TYPE 1 280VAC MCOV 3 POLE | |
| SPD TYPE 1 2KVAC MCOV 1 POLE | |
| SPD TYPE 1 320VAC MCOV 1 POLE | |
| SPD TYPE 1 350VAC MCOV 1 POLE | |
| SPD TYPE 1 350VAC MCOV 2 POLE | |
| SPD TYPE 1 350VAC MCOV 4 POLE | |
| SPD TYPE 1 420VAC MCOV 1 POLE | |
| SPD TYPE 1 550VAC MCOV 1 POLE | |
| SPD TYPE 1 550VAC MCOV 3 POLE | |
| SPD TYPE 1 560VAC MCOV 1 POLE | |
| SPD TYPE 1 640VAC MCOV 1 POLE | |
| SPD TYPE 1 640VAC MCOV 4 POLE | |
| SPD TYPE 1 840VAC MCOV 3 POLE | |
| SPD TYPE 1/TYPE 2 560VAC MCOV | |
| SPD TYPE 2 150VAC MCOV 1 POLE | |
| SPD TYPE 2 275VAC MCOV 1 POLE | |
| SPD TYPE 2 320V MCOV 1 POLE | |
| SPD TYPE 2 320VAC MCOV 1 POLE | |
| SPD TYPE 2 420V MCOV 1 POLE | |
| SPD TYPE 2 420VAC MCOV 1 POLE | |
| SPD TYPE 2 510VAC MCOV 1 POLE | |
| SPD TYPE 2 550V MCOV 1 POLE | |
| SPD TYPE 2/TYPE 3 150VAC MCOV | |
| SPD TYPE 2/TYPE 3 275VAC MCOV | |
| SPD TYPE 2/TYPE 3 320VAC MCOV | |
| SPD TYPE 2/TYPE 3 420VAC MCOV | |
| SPD TYPE 2/TYPE 3 510VAC MCOV | |
| SPD TYPE 5 320V MCOV 1 POLE | |
| SPD TYPE 5 550V MCOV 1 POLE | |
| SPD | |
| SPREADER 3P IEC DIS AND GV4 | |
| SPREADER 4P IEC DIS AND VIGI | |
| STANDARD TRIP UNIT TRANSPARENT C | |
| SURGE PROTECTION DEVICE | |
| TORQUE LIMITING SCREWS SET OF 12 | |
| TVS DEVICE MIXED 16-TQFN | |
| TVS DEVICE MIXED 40V 18-PDIP | |
| TVS DEVICE MIXED 40V 18SOIC | |
| TVS DEVICE MIXED 40V 8-PDIP | |
| TVS DEVICE MIXED 40V 8SOIC | |
| TVS DEVICE MIXED 8-PDIP | |
| TVS DEVICE MIXED 8-TDFN-EP | |
| TVS DEVICE MIXED 8-TDFN | |
| TVS DEVICE MIXED 8SOIC | |
| TVS DEVICE MIXED RADIAL LEAD | |
| TYPE 1 ENCL FOR MG MJ CIRCUIT BR | |
| TYPE 4X ENCL FOR MG MJ CIRCUIT B | |
| VIGI 200-440V 3P FOR NSX100/160 | |
| VIGI 200-440V 3P FOR NSX250 | |
| VIGI 200-440V 3P FOR NSX400/630 | |
| VIGI 200-440V 4P FOR NSX100/160 | |
| VIGI 200-440V 4P FOR NSX250 | |
| VIGI 200-440V 4P FOR NSX400/630 | |
| VIGI 440-550V 4P FOR NSX250 | |
| VIGI 440V-550V 3P FOR NSX100/160 | |
| VIGI 440V-550V 4P FOR NSX100/160 |
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