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 |
|---|---|
| "BR LOADCENTER 1"" FILLER PLATES" | |
| "KNOB FOR HTB HOLDER 1/4"" FUSE" | |
| "Off-State Ipp TVS Thyristor 8-SOIC (0.154"", 3.90mm Width)" | |
| 100A 3 POLE FUSIBLE TPE 3R GDSS | |
| 100A 3 POLE FUSIBLE TYPE 1 GDSS | |
| 1PH/BR LC 125A MLO 2/4 CIR AL BU | |
| 1PH/BR LC 70A MLO 2/4 CIR AL BUS | |
| 200A 2P FUSIBLE TYPE 3R GDSS | |
| 200A 3 POLE FUSIBLE TYPE A GDSS | |
| 200A 3P FUSIBLE TYPE 3RM GDSS | |
| 30A 2P SWITCH CARTRIDGE FUSE | |
| 30A 2P SWITCH PLUG FUSE | |
| 30A, 3 POLE, FUSIBLE TYPE1, GDSS | |
| 30A, 3 POLE, FUSIBLE TYPE3, GDSS | |
| 4.5IN LH HANDLE 8MM RED/YELLOW | |
| 400A, 2 POLE, FUSIBLE, TYPE 3R, | |
| 400A, 3 POLE, FUSIBLE, TYPE 1, G | |
| 400A, 3 POLE, FUSIBLE, TYPE 3R, | |
| 400A/600A PHASE BARRIERS | |
| 508, DM, BUS-CONTROLLER MODULE, | |
| 600A, 2 POLE, FUSIBLE, TYPE 3R, | |
| 600A, 3 POLE, FUSIBLE, TYPE 3R, | |
| 60A 3 POLE FUSIBLE TYPE 3R GDSS | |
| 8MM SHAFT 290MM 261232 | |
| ACCY COVER SNAP-ON FOR HTC-15M | |
| BOOT CIRCUIT BREAKER BACK OF PNL | |
| BOOT CIRCUIT BREAKER TOGGLE CLR | |
| BR PON LC,125A, MLO, 12 SPACE, N | |
| BR PON LC,125A, MLO, 12 SPACE, W | |
| BR PON LC,200A, MCB, 8 SPACE, N3 | |
| BR PON LOADCENTER, 125A, MLO, 24 | |
| BREAKER BQ 2P BACK MOUNT PLATES | |
| BREAKER BQ 3P BACK MOUNT PLATES | |
| BREAKER BQ 4P BACK MOUNT PLATES | |
| BREAKER CQD 120VAC ST/AUX SW | |
| BREAKER MD 3P 800A COMPRESS LUG | |
| BRKR FD COMPRESSION LUG KIT | |
| CCD BASE, 3 POLE, 30A | |
| Ceramic PTC Resettable Fuse 220V (600V Int) 100mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 220V (600V Int) 150mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 220V (600V Int) 50mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 220V (600V Int) 60mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 220V (600V Int) 65mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 220V (600V Int) 75mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 230V (250V Int) 130mA Ih Surface Mount 4-SMD Cube | |
| Ceramic PTC Resettable Fuse 230V (250V Int) 150mA Ih Surface Mount 4-SMD Cube | |
| Ceramic PTC Resettable Fuse 230V (250V Int) 180mA Ih Surface Mount 4-SMD Cube | |
| Ceramic PTC Resettable Fuse 230V (250V Int) 80mA Ih Surface Mount 4-SMD Cube | |
| Ceramic PTC Resettable Fuse 230V (600V Int) 100mA Ih Surface Mount 4-SMD Cube | |
| Ceramic PTC Resettable Fuse 230V (600V Int) 110mA Ih Surface Mount 4-SMD Cube | |
| Ceramic PTC Resettable Fuse 230V (600V Int) 130mA Ih Surface Mount 4-SMD Cube | |
| Ceramic PTC Resettable Fuse 230V (600V Int) 70mA Ih Surface Mount 4-SMD Cube | |
| Ceramic PTC Resettable Fuse 230V (600V Int) 80mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 230V (600V Int) 90mA Ih Surface Mount 4-SMD Cube | |
| Ceramic PTC Resettable Fuse 230V (650V Int) 65mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 230V 90mA Ih Surface Mount 4-SMD Cube | |
| CH PON FLUSH COVER FOR 150A OR G | |
| CH PON FLUSH COVER FOR LCS 125A | |
| CH PON LOADCENTER, 125A, MLO, 24 | |
| CH PON LOADCENTER, 225A, MLO, 42 | |
| CHOM 30-60 MB QOM1 REPLACE CVR | |
| CHOM 32-48CCT REPLACEMENT COVER | |
| CHOM 84 CCT REPLACEMENT COVER | |
| CHOM GEN PANEL CSA MB 240V 30A 2 | |
| CHOM GEN PANEL CSA MB 240V 60A 2 | |
| CHOM MB 16-32CCT REPLACEMENT CVR | |
| CHOM MB 32-48CCT REPLACEMENT CVR | |
| CHOM SPLIT BUS GEN PANEL MB 100A | |
| CHOM SPLIT BUS GEN PANEL MB 125A | |
| CHOM SPLIT BUS GEN PANEL MB 150A | |
| CHOM SPLIT BUS GEN PANEL MB 200A | |
| CHOM2175SB | |
| CHOM250PSPD | |
| Circuit Breaker AC DC | |
| COVER CLIP FOR FUSE | |
| COVER FOR HHD FUSE CLEAR POLY | |
| COVER FOR HTC FUSE CLEAR | |
| CSED 400 Q-FRAME BRANCH BREAKER | |
| CU LUG KIT WITH 250 MCM LUG | |
| ENCLOSURE POWERPACT L BREAKERS T | |
| FUSE COVER FOR GMT SERIES | |
| FUSE HOLDER KNOB ASSEMBLY | |
| FUSE KNOB ASSEMBLY | |
| FUSEHOLDER CAP | |
| FUSEHOLDER | |
| H&LE UTE 100E | |
| H&LE UTS 150N & UTS 250N | |
| H&LE UTS 400N & UTS 600N | |
| H15 FUSE HOLDER BODY 100PCS | |
| H15 FUSE HOLDER KNOB 100PCS | |
| H15 FUSE HOLDER, BODY, 100PCS | |
| HANDLE LOCKOFF FOR 1,2,3 POLE | |
| I-L COMBO 1 PHASE 18 IN 42 CKT 4 | |
| I-L COMBO SINGLE PH 22.5 MTG NQ | |
| I-LINE S COMBO 400A 26W, NFI 30C | |
| I-LINE S COMBO 400A 26W, NFI 42C | |
| I-LINE S COMBO 400A 26W, NQI 30C | |
| I-LINE S COMBO 400A 26W, NQI 42C | |
| I-LINE S COMBO 400A 32W, NFI 30C | |
| I-LINE S COMBO 400A 32W, NFI 42C | |
| I-LINE S COMBO 400A 32W, NFI 54C | |
| I-LINE S COMBO 400A 32W, NQI 30C | |
| I-LINE S COMBO 400A 32W, NQI 42C | |
| I-LINE S COMBO 400A 32W, NQI 54C | |
| I-LINE S COMBO 600A 26W, NFI 30C | |
| I-LINE S COMBO 600A 26W, NFI 42C | |
| I-LINE S COMBO 600A 26W, NQI 30C | |
| I-LINE S COMBO 600A 26W, NQI 42C | |
| I-LINE S COMBO 600A 32W, NFI 30C | |
| I-LINE S COMBO 600A 32W, NFI 42C | |
| I-LINE S COMBO 600A 32W, NFI 54C | |
| I-LINE S COMBO 600A 32W, NQI 42C | |
| I-LINE S COMBO 600A 32W, NQI 54C | |
| KIT LUG FOR F SERIES SWITCH | |
| KIT, CU LUGS FOR 400A F SERIES S | |
| KIT, CU LUGS FOR 600A F SERIES S | |
| KNOB FOR HTB HOLDER 5MM FUSE | |
| LC QO CSA MLO 240V 125A 1PH 24SP | |
| LC QO CSA MLO 240V 200A 1PH 40SP | |
| LD CTR QO CSA MB 240V 100A 1PH 1 | |
| LD CTR QO CSA MB 240V 60A 1PH 16 | |
| LD CTR QO CSA MLO 240V 100A 1PH | |
| LDCTR QO CSA MB 240V 100A 1PH 24 | |
| LDCTR QO CSA MB 240V 60A 1PH 24S | |
| LDCTR QO DUAL RATED MB 240V 100A | |
| LOADCTR QO CSA MB 240V 100A 1PH | |
| LOADCTR QO CSA MB 240V 125A 1PH | |
| LOADCTR QO CSA MB 240V 150A 1PH | |
| LOADCTR QO CSA MB 240V 200A 1PH | |
| LOADCTR QO CSA MB 240V 200A 32SP | |
| LOADCTR QO CSA MB 240V 30A 1PH 1 | |
| LOADCTR QO CSA MB 240V 40A 1PH 1 | |
| LOADCTR QO CSA MB 240V 60A 1PH 1 | |
| LOADCTR QO CSA MB 240V 60A 1PH 4 | |
| LOADCTR QO CSA MB 240V 70A 1PH 1 | |
| LOADCTR QO CSA MLO 240V 100A 1PH | |
| LOADCTR QO CSA MLO 240V 125A 1PH | |
| LOADCTR QO CSA MLO 240V 200A 1PH | |
| LOADCTR QO CSA MLO 240V 225A 1PH | |
| METER MAIN RING TYPE SURFACE 125 | |
| METER MAIN RING TYPE SURFACE 200 | |
| MULTI-METERING BUCKET 3PHASE | |
| NEUTRAL ASSEMBLY INSULATED GROUN | |
| PADLOCKING DEVICE FOR 1,2,3 POLE | |
| PH/BR LOADCENTER 125A MLO 8/16 C | |
| PTC DISC 13.6MM 32V 1A | |
| PTC INRUSH CURRENT LIMITER, 20,1 | |
| PTC RESET FUSE 230V 130MA 4SMD | |
| PTC RESETTABLE 12.7MM 32V 0.5A | |
| PTC Resettable Fuse 350V 850mA Ih Through Hole Radial, Disc | |
| PTC Resettable Fuse 480V 300mA Ih Through Hole Radial, Disc | |
| PTC Resettable Fuse 480V 400mA Ih Through Hole Radial, Disc | |
| PTC SQUARE 13.5MM 32V 2A | |
| PTC SQUARE 15.5MM 32V 3A | |
| PTC SQUARE 24.1MM 32V 5A | |
| PTC SQUARE 24.9MM 32V 7.5A | |
| PTC SQUARE 27.9MM 32V 10A | |
| PTC SQUARE10.8MM 32V 0.7A | |
| QO 24CCT 100A MB DUAL RATED LOAD | |
| REPLACEMENT BASE BURMIESTER | |
| SPD 150VAC/200VDC MCOV 3 POLE | |
| SPD 230VAC MCOV 1 POLE | |
| SPD 275VAC/350VDC MCOV 3 POLE | |
| SPD 320VAC/420VDC MCOV 3 POLE | |
| SPD 420VAC/560VDC MCOV 3 POLE | |
| SPD 550VAC/715VDC MCOV 3 POLE | |
| SPD 550VAC/745VDC MCOV 3 POLE | |
| SPD TYPE 1 120VAC MCOV 1 POLE | |
| SPD TYPE 1 150VAC MCOV 1 POLE | |
| SPD TYPE 1 208VAC MCOV 3 POLE | |
| SPD TYPE 1 208VAC MCOV 4 POLE | |
| SPD TYPE 1 240VAC MCOV 1 POLE | |
| SPD TYPE 1 240VAC MCOV 2 POLE | |
| SPD TYPE 1 300VAC MCOV 1 POLE | |
| SPD TYPE 1 320VAC MCOV 1 POLE | |
| SPD TYPE 1 480VAC MCOV 3 POLE | |
| SPD TYPE 1 480VAC MCOV 4 POLE | |
| SPD TYPE 1 600VAC MCOV 3 POLE | |
| SPD TYPE 1 640VAC MCOV 1 POLE | |
| SPD TYPE 1 840VAC MCOV 1 POLE | |
| SPD TYPE 1/TYPE 4 1.1KVAC MCOV | |
| SPD TYPE 1/TYPE 4 550VAC MCOV | |
| SPD TYPE 2 150VAC MCOV 1 POLE | |
| SPD TYPE 2 300VAC MCOV 1 POLE | |
| SPD TYPE 2 320VAC MCOV 1 POLE | |
| SPD TYPE 2 550VAC MCOV 3 POLE | |
| SPD TYPE 2 640VAC MCOV 1 POLE | |
| SPD TYPE 2 840VAC MCOV 1 POLE | |
| SURGE PROTECTION DEVICE,120/240V | |
| SW FUSIBLE 60A NEMA12/CR-HI RECE | |
| SW FUSIBLE 60A STAINLESS/CR-HI R | |
| SW FUSIBLE GD 120/240V 30A 2P PL | |
| SW FUSIBLE HD 100A NEMA12/CR-HI | |
| SW FUSIBLE HD 240V 400 3P NEMA12 | |
| SW FUSIBLE HD 240V 400A 2P NEMA1 | |
| SW FUSIBLE HD 240V 400A 3P NEMA1 | |
| SW FUSIBLE HD 240V 600 3P NEMA12 | |
| SW FUSIBLE HD 240V 600A 3P NEMA1 | |
| SW FUSIBLE HD 30A NEMA12/CR-HI R | |
| SW FUSIBLE HD 400A 3P STAINLESS/ | |
| SW FUSIBLE HD 600A 3P STAINLESS/ | |
| SW FUSIBLE HD 600V 400A 3P NEMA1 | |
| SW FUSIBLE HD 600V 600A 3P NEMA1 | |
| SW NOT FUSIBLE 100A NEMA12/CR-HI | |
| SW NOT FUSIBLE 60A STAINLESS/CR- | |
| SW NOT FUSIBLE DT 480V 200A 3P N | |
| SW NOT FUSIBLE HD 30A/CR-HI RECE | |
| SW NOT FUSIBLE HD 600V 400A 3P N | |
| SW NOT FUSIBLE HD 600V 400A 3P S | |
| SW NOT FUSIBLE HD 600V 400A 4P N | |
| SW NOT FUSIBLE HD 600V 600A 3P N | |
| SW NOT FUSIBLE HD 600V 600A 3P S | |
| SW NOT FUSIBLE HD 60A NEMA12/CR- | |
| SW,FUSIBLE 240V 400A 3P NEMA3R/N | |
| SW,FUSIBLE 240V 600A 3P NEMA3R/N | |
| SW,FUSIBLE 400A 3P NEMA4,4X,5 ST | |
| SW,FUSIBLE 600V 400A 3P NEMA12/N | |
| SW,FUSIBLE 600V 400A 3P NEMA3R/N | |
| SW,FUSIBLE 600V 600A 3P NEMA12/N | |
| SW,FUSIBLE 600V 600A 3P NEMA3R/N | |
| SWITCH 1NO 1NC AUX CONTACT SIDE | |
| SWITCH FUSABLE GD 240V 60A 3P CS | |
| SWITCH FUSIBLE GD 240V 100A 2P N | |
| SWITCH FUSIBLE GD 240V 200A 2P N | |
| SWITCH FUSIBLE GD 240V 30A 2P NE | |
| SWITCH FUSIBLE GD 240V 400A 2P N | |
| SWITCH FUSIBLE GD 240V 600A 2P N | |
| SWITCH FUSIBLE GD 240V 60A 2P NE | |
| SWITCH FUSIBLE HD 600V 400A 3P N | |
| SWITCH FUSIBLE HD 600V 600A 3P N | |
| SWITCH FUSIBLE HD 600V 600A 4P N | |
| SWITCH NOT FUSIBLE DT 240V 30A 2 | |
| SWITCH NOT FUSIBLE DT 240V 30A 3 | |
| SWITCH NOT FUSIBLE DT 480V 200A | |
| SWITCH NOT FUSIBLE HD 600V 400A | |
| SWITCH NOT FUSIBLE HD 600V 600A | |
| TVS DEV DIODE ARRAY 6V 16-QSOP | |
| TVS DEVICE MIXED 20-TSSOP | |
| TVS DEVICE MIXED 38-HTSSOP | |
| TVS DEVICE MIXED 48-QFN | |
| X80 DIG 4Q SAFETY RELAY |
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