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 |
|---|---|
| "FUSE COVER .24 X .79 X .5""" | |
| "FUSE COVER .28 X 1.18 X .5""" | |
| "FUSE COVER .32 X 1.26 X .625""" | |
| "FUSE COVER .32 X 1.42 X .5""" | |
| "FUSE WASHER RUBBER 0.500"" BLACK" | |
| #10 CABLE SEAL | |
| #16/1 CABLE SEAL | |
| #16/2 CABLE SEAL | |
| #25 CABLE SEAL | |
| #35 CABLE SEAL | |
| #50 CABLE SEAL | |
| 190V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 270V, 400V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing | |
| 3PH INFEED TERMINAL TYPE E 3RV29 | |
| 3R 3IN HANDLE KIT, LONG SHAFT | |
| 3R 6IN HANDLE KIT, LONG SHAFT | |
| 3R 6IN HANDLE KIT | |
| 400V Off-State 250A Ipp TVS Thyristor 6-SMD, Gull Wing | |
| 5.5 MAX KV, CLE, PORCELAI | |
| 50V, 170V Off-State 150A Ipp TVS Thyristor 6-SMD, Gull Wing | |
| 50V, 170V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing | |
| 50V, 170V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab | |
| 54V, 78V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB | |
| 8.3 MAX KV, CLE, GLASS PO | |
| 8.3 MAX KV, CLE, PORCELAI | |
| 802/115SB LUG STRAIGHT | |
| 802/115SQB LUG 90 DEGREE | |
| 8A1-C-222 | |
| ACS CAP 816 500V | |
| ACTI 9 COMB BUSBAR 3P 100A 6 MOD | |
| ACTI9 COMB BUSBAR 1P 100A 12 MOD | |
| ACTI9 COMB BUSBAR 1P 100A 24 MOD | |
| ACTI9 COMB BUSBAR 1P 100A 57 MOD | |
| ACTI9 COMB BUSBAR 2P 100A 12 MOD | |
| ACTI9 COMB BUSBAR 2P 100A 24 MOD | |
| ACTI9 COMB BUSBAR 2P 100A 57 MOD | |
| ACTI9 COMB BUSBAR 3P 100A 12 MOD | |
| ACTI9 COMB BUSBAR 3P 100A 24 MOD | |
| ACTI9 COMB BUSBAR 3P 100A 57 MOD | |
| ACTI9 COMB BUSBAR 4P 100A 12 MOD | |
| ACTI9 COMB BUSBAR 4P 100A 24 MOD | |
| ACTI9 COMB BUSBAR 4P 100A 57 MOD | |
| ACTI9 IIL SINGLE INDICATOR LIGHT | |
| ACTI9 IPB 1NO SINGLE PUSH BUTTON | |
| ACTI9 ISW SWITCH 1P 20A 250V | |
| ACTI9 ISW SWITCH 2P 20A 415V | |
| ACTI9 SET OF 10 END CAPS 1P | |
| ACTI9 SET OF 10 END CAPS 2P | |
| ACTI9 SET OF 10 END CAPS 3P | |
| ACTI9 SET OF 10 END CAPS 4P | |
| ACTI9 SET OF 4 CONNECTORS MONOCO | |
| ADPTR 250 A, 690 V TOP/BOTTOM | |
| ANTI-SLIP GUARD FOR NH DISCONNEC | |
| ANTI-SLIP GUARD FOR SUPPORT RAIL | |
| AUXILIARY CONTACT 1 OCS | |
| BASE HWB18 | |
| BAYING CONNECTOR FOR E-CU 15X5-3 | |
| BLANK 1 CABLE SEAL | |
| BLANK 2 CABLE SEAL | |
| BLIND CAP | |
| BOX TERMINAL FOR NH DISCONNECTOR | |
| BR MCB/BUSBAR BOT FEED TERMINAL | |
| BR MCB/BUSBAR CAP YEL 3PIN | |
| BR MCB/BUSBAR TOP FEED TERMINAL | |
| BR MCB/BUSBAR/1PH/12POL ES | |
| BR MCB/BUSBAR/1PH/57POL ES | |
| BR MCB/BUSBAR/3PH/12POL ES | |
| BR MCB/BUSBAR/3PH/18POL ES | |
| BREAKER FD 240VAC 2AUX SWITCH AC | |
| BREAKER FD 240VAC AUX SWITCH ACC | |
| BREAKER FD 480VAC AUX SWITCH ACC | |
| BUS BAR 12P | |
| BUS BAR 2 WAY FOR FHZ HOLDER | |
| BUS BAR 2P | |
| BUS BAR 3 WAY FOR FHZ HOLDER | |
| BUS BAR 3P | |
| BUS BAR 4 WAY FOR FHZ HOLDER | |
| BUS BAR 4P | |
| BUS BAR 5 WAY FOR FHZ HOLDER | |
| BUS BAR 5P | |
| BUS BAR 6P | |
| BUS BAR 7 WAY FOR FHZ HOLDER | |
| BUS BAR 8P | |
| BUS BAR FOR MEGA HOLDER 4 POS | |
| BUS BAR FOR MEGA HOLDER 5 POS | |
| BUS-BAR FOR FLEX MEGA HOLDER-POS | |
| BUS-MOUNTING FUSE BASE 32 A, 3-P | |
| BUS-MOUNTING FUSE BASE 63 A, 3-P | |
| BUSBA SUPRT PLS 800 60MM UL 1=4P | |
| BUSBAR DUAL STUD 3/8 W/O CAP | |
| BUSBAR FOR LINE + AND 0V ESX10 | |
| BUSBAR SUPPORT 12X5-30X10MM 1=4P | |
| CABLE OPERATED CB MECHANISM, 120 | |
| CABLE OPERATED CB MECHANISM, 36 | |
| CABLE OPERATED CB MECHANISM, 60 | |
| CABLE OPERATING MECHANISM NEMA | |
| CABLE SEAL 10 | |
| CABLE SEAL 120 | |
| CABLE SEAL 16 | |
| CABLE SEAL 25 | |
| CABLE SEAL 35 | |
| CABLE SEAL 50 | |
| CABLE SEAL 70 | |
| CABLE SEAL 95 | |
| CAP FOR 5X20MM FUSE FINGER GRIP | |
| CAP FOR 5X20MM FUSE IP40 SLOTTED | |
| CAP FOR 5X20MM FUSE IP54 SLOTTED | |
| CAP FOR 5X20MM FUSE SLOTTED | |
| CAP FOR 5X20MM FUSES FLUSH MOUNT | |
| CAP FOR 6.3 X 32MM FUSE | |
| CAP FOR 6.3X32MM FUSE SLOTTED | |
| CB COMPONENT ADAPTOR 160 A, 3-PO | |
| CB COMPONENT ADAPTOR 250 A, 3-PO | |
| CB COMPONENT ADAPTOR 400 A, 3-PO | |
| CB COMPONENT ADAPTOR 630 A, 3-PO | |
| Circuit Breaker AC 24V DC Rotary DIN Rail | |
| CIRCUIT BREAKER OP MECH FOR 400A | |
| CIRCUIT BRKR BUS BAR 1POLE 1M | |
| CIRCUIT BRKR BUS BAR 2POLE 1M | |
| CIRCUIT BRKR BUS BAR 3POLE 1M | |
| CIRCUIT BRKR BUS BAR END CAP 1PL | |
| CIRCUIT BRKR BUS BAR END CAP 2PL | |
| CIRCUIT-BREAKER ADPTR 125A 690V | |
| CIRCUIT-BREAKER ADPTR 250A 690V | |
| CIRCUIT-BREAKER ADPTR 400A 690V | |
| CIRCUIT-BREAKER ADPTR 630A 690V | |
| CIRCUIT-BREAKERADAPT OR E-CU 1=3P | |
| CLAMP-TYPE TERMINAL FOR NH DISCO | |
| COMPONENT ADAPTOR 100 A, AWG 2, | |
| COMPONENT ADAPTOR 16 A, AWG 14, | |
| COMPONENT ADAPTOR 25 A, AWG 12, | |
| COMPONENT ADAPTOR 32 A, AWG 10, | |
| COMPONENT ADAPTOR 45 A, AWG 8, 3 | |
| COMPONENT ADAPTOR 65 A, AWG 6, 3 | |
| COMPONENT ADAPTOR 80 A, AWG 4, 3 | |
| COMPONENT SUPPORT W: 45 MM | |
| COMPONENT SUPPORT W: 54 MM | |
| CONNECT ADPTR 125A 690V 6 1=4PCS | |
| CONNECTION ADAPTOR 1-POLE, W/H: | |
| CONNECTION ADAPTOR 1-POLE, W: 72 | |
| CONNECTION ADAPTOR 3-POLE, W: 12 | |
| CONNECTION ADAPTOR 3-POLE, W: 14 | |
| CONNECTION ADAPTOR 3-POLE, W: 27 | |
| CONNECTION ADAPTOR 3-POLE, W: 60 | |
| CONNECTION ADAPTOR 3-POLE, W: 63 | |
| CONNECTION ADAPTOR 3-POLE, W: 90 | |
| CONNECTION PIN FOR COMPONENT ADA | |
| CONNECTION SPACE COVER FOR NH DI | |
| CONTACT HAZARD PROTECTION FOR NH | |
| CONTACT HAZARD PROTECTION PROFIL | |
| COVER - ZCASE FUSE HOLDER | |
| COVER | |
| CRIMP TERMINAL REVERSE REEL | |
| CVP FUSE HOLDER | |
| CVP POWER DISTRIBUTION & PROTECT | |
| DIRECT OPERATING HANDLE | |
| DISC PUSH TO RESET W58 TYPE 4 | |
| DOOR MOUNTED OP MECH FOR 400A BR | |
| DOOR MOUNTED OPERATING MECHANISM | |
| DOUBLE MOUNTED MECH 250 AMP | |
| END COVER BUSBAR SUPPORT 1=2 PCS | |
| END COVER FO BUSBA SUPPORT 1=2PC | |
| ENDPLATE AP MCZ 1.5 | |
| EXPANSION BLOCK FOR COMPONENT AD | |
| FACE PLATE NIB2 | |
| FASTENING CLIP FOR CONTACT HAZAR | |
| FLEC COVER TETHER | |
| FOAM - HWB12 | |
| Fuse Circuit | |
| FUSE CONTACT BUS BA | |
| FUSE CONTACT BUS-BAR | |
| FUSE CONTACT | |
| FUSE CRIMP TERM 10GA FOR 868-062 | |
| FUSE CRIMP TERM 14GA FOR 868-062 | |
| FUSE GAUGE TERM FEMALE 10AWG | |
| FUSE GAUGE TERM FEMALE 12-14AWG | |
| FUSE GAUGE TERM FEMALE GOLD | |
| FUSE GAUGE TERM FEMALE TIN | |
| FUSE GAUGE TERM SPRING 10-12AWG | |
| FUSE GAUGE TERM STANDARD 18-20AW | |
| FUSE HEX NUT-SINTERED STL 5/8UNF | |
| FUSE HOLDER 101-200A 600V 3-POLE | |
| FUSE HOLDER 201-400A 600V 3-POLE | |
| FUSE HOLDER 61-100A 600V 3-POLE | |
| FUSE HOLDER ACCESSORIES | |
| FUSE HOLDER | |
| FUSE PTD BRASS RIVET CDA 260/270 | |
| FUSE SPRING 0.026 GALV WIRE | |
| FUSE-SWITCH DISCONNECT SZ00 160A | |
| FUSE-SWITCH DISCONNECTOR 63 A, 3 | |
| FUSEHLDR CLASS CC 30A 600V 1=4PS | |
| FUSEHOLDER BLOCK FOR 868900 | |
| FUSEHOLDER CAP FOR 824-20 WHITE | |
| FUSEHOLDER CLAS CC 30A 600V 1=4P | |
| FUSEHOLDER CLASS J 30A 600V 1=2P | |
| GRID | |
| HANDLE 31055-564-51***** | |
| HARDWARE M10 BOLT FOR ZCASE 3998 | |
| HEIGHT-ADJUSTABLE SUPPORT RAIL, | |
| HOLDER BOLT DOWN 32V 500A | |
| HWB60 BASE | |
| HWB60 COVER | |
| HWB60 GASKET IN ONLY | |
| INSERT STRIP FOR COMPONENT ADAPT | |
| INSERT STRIP SUPPORT W:10MM 1=2P | |
| ISO/MINI TERMINAL/ 0.5 0. | |
| ISO/MINI TERMINAL/ 1.33 2 | |
| ISO/MINI TERMINAL/ 3.32 5 | |
| LIGHTING CONTACTOR 600VAC 100AMP | |
| LOADBREAK SWITCH 600VAC 20A IEC | |
| LOADBREAK SWITCH 600VAC 25A IEC | |
| LOCK OUT HANDLE FOR 9926 SERIES | |
| LOCK WASHER INTERNAL W28 SERIES | |
| LOCKING PIN FOR SUPPORT RAIL | |
| LOCKING SCREW FOR SUPPORT RAIL | |
| MCB AUX CONTACT 1NC | |
| MCZ OVP HF 12V 0,3A | |
| MCZ OVP HF 24V 0,3A | |
| MCZ OVP SL FG 24VUC 0,5A | |
| METAL BRACKET - 90 | |
| METAL BRKT | |
| MICO PRO ENDLESS PLUG-IN LINK 1X | |
| MICO PRO ENDLESS PLUG-IN LINK 2X | |
| MICRO-SWITCH FOR NH DISCONNECTOR | |
| MIDI FLEX BUS BAR 2 POSITION | |
| MIDI FLEX BUS BAR 3 POSITION | |
| MIDI FLEX BUS BAR 4 POSITION | |
| MIDI FLEX BUS BAR 5 POSITION | |
| NH FUSE-SWITCH DISCONNECTOR SIZE | |
| NH SWITCH DISCONNECT SZ 00 160 A | |
| NH SWITCH DISCONNECT SZ 1 250A | |
| NH SWITCH DISCONNECT SZ 2 400A | |
| NH SWITCH DISCONNECT SZ 2/3 1=3P | |
| NH SWITCH DISCONNECT SZ 3 630A | |
| O RING BUNA N | |
| Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing | |
| Off-State Ipp TVS Thyristor | |
| OM ADPTR 25A 690V CBLE 45X208MM | |
| OM ADPTR 40A 690V CABLE AWG 8 | |
| OM ADPTR 65 A 690V AWG6 55X208MM | |
| OM ADPTR 65A 690V CABLE AWG 6 | |
| OM SUPPORT FRAME 45X208MM | |
| OPERATING MECHANISM + A1 LA | |
| OPERATING MECHANISM 600VAC 1000A | |
| OPERATING MECHANISM 600VAC 100AM | |
| OPERATING MECHANISM 600VAC 250AM | |
| OPERATING MECHANISM 600VAC 400AM | |
| OPERATING MECHANISM 600VAC 800AM | |
| OPERATING MECHANISM HANDLE NEMA | |
| OPERATING MECHANISM HANDLE | |
| OPERATING MECHANISM LONG SHAFT N | |
| OPERATING MECHANISM STANDARD SHA | |
| OPERATING MECHNAISM HANDLE NEMA | |
| OUTLET MARKER | |
| OVP 24VAC 1.25A | |
| OVP 24VDC 0.5A | |
| OVP C-LOOP 24VAC 1.25A | |
| OVP VARISTOR 24VAC/DC | |
| PDM 2 POSITION MARKET | |
| PDM METAL BRACKET 30 DEGREES | |
| PLASTIC SCREW FOR RILINEX BOARD | |
| Polymeric PTC Resettable Fuse 16V 10A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 11A Ih Through Hole Radial, Disc | |
| POWER TAP FOR BUSBAR WITH FUSE | |
| POWER TAP WITH FUSE 10 MM (8 AWG | |
| POWER TAP WITH FUSE 2,5 MM (12 A | |
| POWER TAP WITHOUT FUSE 10 MM (8 | |
| POWER TAP WITHOUT FUSE 2,5 MM (1 | |
| PVC INSULATION BOOT FUSEHOLDER | |
| RIVET FOR IN LINE HOLDER | |
| ROTARY OPERATING MECH 600VAC 250 | |
| RUBBER SEAL | |
| RX BUS-MOUNTING FUSE BASE 32 A, | |
| SET OF 20 TOOTH CAPS | |
| SINGLE ZCASE COVER | |
| SINGLE ZCASE FUSE STUD COVER | |
| SPACER FOR BUSBAR SUPPORT 1=12PC | |
| SPD 28VAC/40VDC MCOV 1 POLE | |
| SPD 30V 2 POLE | |
| SPD TYPE 1 150VAC MCOV 1 POLE | |
| SPD TYPE 1 150VAC MCOV 2 POLE | |
| SPD TYPE 1 300VAC MCOV 1 POLE | |
| SPD TYPE 1 300VAC MCOV 2 POLE | |
| SPD TYPE 1 550VAC MCOV 3 POLE | |
| SU MCB/BUSBAR BOT FEED TERMINAL | |
| SU MCB/BUSBAR CAP YEL 1PIN | |
| SU MCB/BUSBAR TOP FEED TERMINAL | |
| SU MCB/BUSBAR/1PH/12POL ES | |
| SU MCB/BUSBAR/1PH/18POL ES | |
| SU MCB/BUSBAR/2PH/12POL ES | |
| SU MCB/BUSBAR/2PH/18POL ES | |
| SU MCB/BUSBAR/3PH/12POL ES | |
| Supply Load | |
| SUPPORT RAIL W: 45 MM | |
| SUPPORT RAIL W: 54 MM | |
| SUPPORT RAIL WITH LOCKING CLIP, | |
| SV BUSBA SUPP 3-POLE 60MM 1=4PCS | |
| SW NOT FUSIBLE DT 200A 3P NEMA3R | |
| SW NOT FUSIBLE DT 240V 200A 2P W | |
| SW NOT FUSIBLE DT 600V 200A 3P W | |
| SW UNFUSED DT 200A NEMA4,4X,5 ST | |
| SWITCH NONFUSIBLE DT 600V 200A 3 | |
| SWITCH NOT FUSIBLE DT 240V 30A 2 | |
| SWITCH NOT FUSIBLE DT 240V 30A 3 | |
| SWITCH NOT FUSIBLE DT 240V 30A 4 | |
| TERMINAL FEMALE 6.3MM 0.5-1.0 MM | |
| TERMINAL FEMALE 6.3MM 1.1-2.5 MM | |
| TERMINAL FEMALE 6.3MM 4.0-6.0 MM | |
| TERMINAL SPRING #10 12 SILVER | |
| TERMINAL SPRING #14 16 SILVER | |
| TERMINAL SPRING GAUGE #14 16 | |
| TERMINAL SPRING GAUGE #18 20 | |
| TERMINAL STANDARD GAUGE #1 12 | |
| TERMINAL STANDARD GAUGE #10 12 | |
| TERMINAL STANDARD GAUGE #14 16 | |
| TERMINAL STANDARD GAUGE #16 18 | |
| TERMINAL STANDARD GAUGE #18 20 | |
| TERMINAL STANDARD GAUGE #8 | |
| TERMINAL STUD M12 32MM 1=3 PCS | |
| TERMINAL STUD, M12, L: 30MM 1=3P | |
| TPA IN ONLY | |
| TPA | |
| TVS DEVICE 180V 0402 | |
| TVS DEVICE 40V 0402 | |
| TVS DEVICE 40V 0603 | |
| TVS DEVICE 50V 0402 | |
| TVS DEVICE MIXED 16-TSSOP | |
| TVS DEVICE MIXED 40V 18SOIC | |
| TVS DEVICE MIXED 40V 20-SSOP | |
| TVS DEVICE MIXED 40V 8-MSOP | |
| TVS DEVICE MIXED 40V SOT-23-6 | |
| TVS DEVICE TVS DIODE 200V 0402 | |
| TVS DEVICE TVS DIODE 50V 0402 | |
| TVS DEVICE TVS DIODE 55V 0402 | |
| TVS DEVICE TVS DIODE 55V 0603 | |
| TVS DEVICE TVS DIODE 60V 0402 | |
| TVS DEVICE TVS DIODE 60V 0603 | |
| TYPE L CB MECH KIT WITH HANDLE, | |
| TYPE L CIRCUIT BRKR MECH, B-FRAM | |
| WIRE SEALS FOR 152003. | |
| WIRESEAL 10-8GA F/FUSEHLDR GRAY | |
| WIRESEAL 14-12GA F/FUSEHLDR BLUE | |
| WSK-ACCE FUSE HOLDER 5X20MM ACCE | |
| ZCASE SINGLE FUSE TERMINAL ASSM |
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