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

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Product Name Notes
"Off-State Ipp TVS Thyristor 8-SOIC (0.154"", 3.90mm Width)"
10.5V Off-State 30A Ipp TVS Thyristor SC-74A, SOT-753
100A 3 POLE FUSIBLE TPE 3R GDSS
100A 3 POLE FUSIBLE TYPE 1 GDSS
120V Off-State 100A Ipp TVS Thyristor DO-214AA, SMB
120V Off-State Ipp TVS Thyristor DO-214AA, SMB
140V Off-State 100A Ipp TVS Thyristor DO-214AA, SMB
140V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
140V Off-State Ipp TVS Thyristor DO-214AA, SMB
160V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
160V Off-State Ipp TVS Thyristor DO-214AA, SMB
16V Off-State 30A Ipp TVS Thyristor SC-74A, SOT-753
190V Off-State 100A Ipp TVS Thyristor DO-214AA, SMB
190V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
190V Off-State Ipp TVS Thyristor DO-214AA, SMB
200A 2P FUSIBLE TYPE 3R GDSS
200A 3 POLE FUSIBLE TYPE A GDSS
200A 3P FUSIBLE TYPE 3RM GDSS
200A VBII MECHANISM 6.5 INCHES D
220V Off-State 100A Ipp TVS Thyristor DO-214AA, SMB
220V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
220V Off-State Ipp TVS Thyristor DO-214AA, SMB
24V Off-State 30A Ipp TVS Thyristor SC-74A, SOT-753
25V Off-State 100A Ipp TVS Thyristor DO-214AA, SMB
25V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
25V Off-State Ipp TVS Thyristor DO-214AA, SMB
275V Off-State 100A Ipp TVS Thyristor DO-214AA, SMB
275V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
275V Off-State Ipp TVS Thyristor DO-214AA, SMB
30-100A VBII MECHANISM 6.5 INCHE
30A 2P SWITCH CARTRIDGE FUSE
30A 2P SWITCH PLUG FUSE
30A, 3 POLE, FUSIBLE TYPE1, GDSS
30A, 3 POLE, FUSIBLE TYPE3, GDSS
30A/250V CLASS H FUSE CLIP
30A/600V CLASS J FUSE CLIP
320V Off-State 100A Ipp TVS Thyristor DO-214AA, SMB
320V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
320V Off-State Ipp TVS Thyristor DO-214AA, SMB
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,
58V Off-State 100A Ipp TVS Thyristor DO-214AA, SMB
58V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
58V Off-State Ipp TVS Thyristor DO-214AA, SMB
600A, 2 POLE, FUSIBLE, TYPE 3R,
600A, 3 POLE, FUSIBLE, TYPE 3R,
60A 3 POLE FUSIBLE TYPE 3R GDSS
60A/600V CLASS J FUSE
60A8CCT GENERAL PANEL(CSA APPROV
65V Off-State 100A Ipp TVS Thyristor DO-214AA, SMB
65V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
65V Off-State Ipp TVS Thyristor DO-214AA, SMB
8MM SHAFT 290MM 261232
8V Off-State 30A Ipp TVS Thyristor SC-74A, SOT-753
90V Off-State 100A Ipp TVS Thyristor DO-214AA, SMB
90V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
AC Din Rail Protector, 600V
ACCY FUSE COVER 60060 IND
ACS 600V COVER PULLER 30A 2 POLE
ADAPTER DIN-RAIL 0-30A GRAY
AUXILLARY CONTACT FOR DF FUSEHOL
AUXILLARY CONTACTS FOR DF FUSEHO
BOOT CIRCUIT BREAKER BACK OF PNL
BOOT CIRCUIT BREAKER TOGGLE CLR
BREAKER CQD 120VAC ST/AUX SW
BREAKER DOOR LATCH KIT 3PT RIGHT
BREAKER ED VAR DEPTH ROTARY HDL
BREAKER MD 3P 800A COMPRESS LUG
BRKR FD COMPRESSION LUG KIT
BRKR JD/LD ROTARY HANDLE VAR DEP
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
CHOM GEN PANEL CSA MB 240V 30A 2
CHOM GEN PANEL CSA MB 240V 60A 2
CHOM MB 16-32CCT 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
Circuit Breaker AC DC
CIRCUIT BREAKER COMPRESSION LUG
CIRCUIT BREAKER MECHANICAL LUG K
COVER CLIP FOR FUSE
CU LUG KIT WITH 250 MCM LUG
D46121003S H CLIP
DR5TE4S
DR5TE4U
DT2 DIN RAIL SURGE PROTECTION CL
DTSS FUS 2P2W 240V 200A N3R
DTSS FUS 3P3W 240V 100A N1
DTSS FUS 3P3W 240V 100A N3R
DTSS FUS 3P3W 240V 200A N1
DTSS FUS 3P3W 240V 30A N3R
DTSS FUS 3P3W 240V 400A N1
DTSS FUS 3P3W 240V 600A N1
DTSS FUS 3P3W 240V 60A N1
DTSS FUS 3P3W 600V 100A N1
DTSS FUS 3P3W 600V 100A N3R
DTSS FUS 3P3W 600V 200A N1
DTSS FUS 3P3W 600V 200A N3R
DTSS FUS 3P3W 600V 30A N1
DTSS FUS 3P3W 600V 400A N1
DTSS FUS 3P3W 600V 60A N1
DTSS FUS CSA 3P3W 240V 100A N1
DTSS FUS CSA 3P3W 240V 200A N1
DTSS FUS CSA 3P3W 240V 30A N1
DTSS FUS CSA 3P3W 240V 60A N1
DTSS FUS CSA 3P3W 600V 100A N1
DTSS FUS CSA 3P3W 600V 200A N1
DTSS FUS CSA 3P3W 600V 30A N1
DTSS FUS CSA 3P3W 600V 60A N1
ENCLOSURE POWERPACT L BREAKERS T
FIELD INSTALL ELEC INTLK KIT 2N.
FIELD INSTALL NEUTRAL KIT FOR 20
FIELD INSTALL NEUTRAL KIT FOR 60
FUSE BLK, D46120010LOAD BASE
FUSE CLIP, FUSE BLOCK 200A CLASS
FUSE PULLER
FUSEHOLDER CAP
GD DTSS NF 2P2W 240V 100A N3R
GD DTSS NF 2P2W 240V 200A N3R
GD DTSS NF 2P3W 240V 100A N3R
GD DTSS NF 2P3W 240V 200A N3R
GD DTSS NF 3P3W 240V 100A N3R
GD DTSS NF 3P4W 240V 100A N3R
GD DTSS NF 3P4W 240V 200A N3R
GENERAL PANEL
GROUNDPOTENTIAL DISTRIBUTION MOD
GROUNDPOTENTIAL FEEDING MODULE;
H&LE UTE 100E
H&LE UTS 150N & UTS 250N
H&LE UTS 400N & UTS 600N
HARDWARE ACC POLE INSULATION CAP
HDL OPER ROT FOR 200A MCS SW
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
INDUSTRIAL AUTOMATION
KIT CLASS R FUSE REJECTION
KIT LUG FOR F SERIES SWITCH
KIT SERVICE GROUNDING FOR DT SWI
KIT, CU LUGS FOR 400A F SERIES S
KIT, CU LUGS FOR 600A F SERIES S
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 400A RING TYPE
METER MAIN RING T-200A QOM2 MAIN
METER MAIN RING TYPE 100AMP
METER MAIN RING TYPE SURFACE 125
METER MAIN RING TYPE SURFACE 200
MTR MAIN RING T-MANUAL TEST BYPA
MTR MAIN UG 400A CLS 320 MANUAL
MULTI-METERING BUCKET 3PHASE
NEUTRAL ASSEMBLY INSULATED GROUN
NEUTRAL ASSEMBLY
NEUTRAL KIT 30A W/COPPER ONLY TE
NEUTRAL KIT
NO.10-24 TAPTITE X 3/8 IN
Polymeric PTC Resettable Fuse 60V 550mA Ih Surface Mount 2018 (5045 Metric), Concave
POWER SUPPLY MODULE FOR ELECTRON
PTC INRUSH CURRENT LIMITER, 20,1
PTC RESET FUSE 230V 130MA 4SMD
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
QO 24CCT 100A MB DUAL RATED LOAD
QO LOADCENTER 8CT 100A QPH 60A M
QO METR MN RING UG 100A PON SOL
QO METR MN RING UG 200A PON SOL
QO MM 400A CSED RING UG MANUAL B
QO MM 400A CSED RING UG NO BYPAS
REJ PIN, D46122004R FUSE ADAPTER
REJ. PIN, REJECTION CLIPS
SERVICE GROUND KIT FOR 600A DT S
SOLID NEUTRAL ASSEMBLY
SPD 1.2VDC MCOV 1 POLE
SPD 15VDC MCOV 1 POLE
SPD 170VDC MCOV 1 POLE
SPD 28VDC MCOV 1 POLE
SPD 53VDC MCOV 1 POLE
SPD 72VDC MCOV 2 POLE
SPD 72VDC MCOV 3 POLE
SPD 8VDC MCOV 1 POLE
SPD TYP2 95VAC/125VDC MCOV 1POLE
SPD TYPE 1 120VAC 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 255VAC MCOV 1 POLE
SPD TYPE 1 300VAC MCOV 4 POLE
SPD TYPE 1 320VAC MCOV 1 POLE
SPD TYPE 1 420VAC MCOV 1 POLE
SPD TYPE 1 480VAC MCOV 3 POLE
SPD TYPE 1 480VAC MCOV 4 POLE
SPD TYPE 1 550VAC MCOV 1 POLE
SPD TYPE 1 600VAC MCOV 3 POLE
SPD TYPE 1 680VAC MCOV 1 POLE
SPD TYPE 1 840VAC MCOV 1 POLE
SPD TYPE 1 920VAC MCOV 1 POLE
SPD TYPE 1/TYPE 4 1.1KVAC MCOV
SPD TYPE 1/TYPE 4 550VAC MCOV
SPD TYPE 2 1.06KV MCOV 2 POLE
SPD TYPE 2 1.5KV MCOV 1 POLE
SPD TYPE 2 150VAC MCOV 1 POLE
SPD TYPE 2 150VAC/130VDC MCOV
SPD TYPE 2 210VAC/275VDC MCOV
SPD TYPE 2 24VDC MCOV 1 POLE
SPD TYPE 2 255VAC MCOV 1 POLE
SPD TYPE 2 255VAC MCOV 4 POLE
SPD TYPE 2 275VAC/350VDC MCOV
SPD TYPE 2 320VAC MCOV 4 POLE
SPD TYPE 2 440VAC MCOV 1 POLE
SPD TYPE 2 550VAC MCOV 3 POLE
SPD TYPE 2 72VDC MCOV 1 POLE
SPD TYPE 2 75VDC MCOV 1 POLE
SPD TYPE 2 840VAC MCOV 1 POLE
SPD TYPE 2/TYPE 4 530VDC MCOV
SPD TYPE 4 150VAC MCOV 1 POLE
SPD TYPE 4 255VAC MCOV 1 POLE
SPD TYPE 4 300VAC MCOV 1 POLE
SPD TYPE 4 300VAC MCOV 2 POLE
SPD TYPE 4 350VDC MCOV 1 POLE
SPD TYPE 4 38VDC MCOV 2 POLE
SPD TYPE 4 480VAC MCOV 1 POLE
SPD TYPE 4 65VDC MCOV 2 POLE
SPD TYPE 4 MCOV 1 POLE
SUPPLYVOLTAGE DISTRIBUTION MODUL
SW FUSIBLE 60A STAINLESS/CR-HI R
SW FUSIBLE GD 120/240V 30A 2P PL
SW FUSIBLE GD 240V 400A 3P NEMA1
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 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 60A STAINLESS/CR-
SW NOT FUSIBLE DT 480V 200A 3P N
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,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
SW,FUSIBLE GD 240V 400A 3P 3R CL
SWITCH 1NO 1NC AUX CONTACT SIDE
SWITCH FUSABLE GD 240V 60A 3P CS
SWITCH FUSIBLE 240VAC DT 100A 2P
SWITCH FUSIBLE DT 240VAC 100A 3P
SWITCH FUSIBLE DT 240VAC 30A 3P
SWITCH FUSIBLE DT 240VAC 60A 3P
SWITCH FUSIBLE DT 600VAC 100A 3P
SWITCH FUSIBLE DT 600VAC 30A 3P
SWITCH FUSIBLE DT 600VAC 60A 3P
SWITCH FUSIBLE GD 120/240V 30A 2
SWITCH FUSIBLE GD 240V 100A 2P N
SWITCH FUSIBLE GD 240V 100A 3P N
SWITCH FUSIBLE GD 240V 200A 2P N
SWITCH FUSIBLE GD 240V 200A 3P N
SWITCH FUSIBLE GD 240V 30A 2P NE
SWITCH FUSIBLE GD 240V 30A 3P NE
SWITCH FUSIBLE GD 240V 400A 2P N
SWITCH FUSIBLE GD 240V 400A 3P N
SWITCH FUSIBLE GD 240V 600A 2 PO
SWITCH FUSIBLE GD 240V 600A 2P N
SWITCH FUSIBLE GD 240V 600A 3P N
SWITCH FUSIBLE GD 240V 60A 2 POL
SWITCH FUSIBLE GD 240V 60A 2P NE
SWITCH FUSIBLE GD 240V 60A 3P 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
TERMINAL, 100A LUG
TERMINAL, COPPER LUG
TERMINAL, D46120011LOAD LUG
TVS DEV DIODE ARRAY 6V 16-QSOP
TVS DEVICE MIXED 20-TSSOP
TVS DEVICE MIXED 38-HTSSOP
TVS DEVICE MIXED 48-QFN
TVS DEVICE MIXED SOT-23-6
TVS DEVICE TVS DIODE 24-QSOP

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