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
"ADAPTER FRAME WIDESCREEN 19"" RAC"
3-PH BUSBAR EXTENSION FOR 2 S00/
3-PH BUSBAR EXTENSION FOR 3 S00/
3-PH BUSBAR LEFT INFEED FOR 2 S0
3-PH BUSBAR RIGHT INFEED FR 2 S0
3-PH EXPANSION PLUG EXTRA WIDE F
3-PH INFEED TERMINAL, FOR 3-PHAS
3-PH TERMINAL BLOCK 10AWG
3-PHASE INFEED TERMINAL FOR 3RV2
3RV29 TERMINAL BLOCK DEVICE INFE
400-100A FUSE REDUCER PR
400-200A FUSE REDUCER PR
5.5 MAX KV, CLE, GLASS PO
5.5 MAX KV, CLE, PORCELAI
50V EZC MINALITE AMBER
50V EZC MINALITE GREEN
50V EZC MINALITE RED
50V EZC MINALITE WHITE
ACC_CIRCUIT_BREAKER_ 3RV2925-5EB_
ACCESSORIES - PCB - CLIP COVER -
ACS CAP 569
ACS CAP 585 250V
AS-I FUNC MODULE WYE DELTA SCREW
AS-I FUNC MODULE WYE DELTA SPRIN
AS-I FUNCTION MOD DIRECT S00+S0
AS-I FUNCTION MOD REV S00+S0 SCR
AS-I FUNCTION MOD REV S00+S0 SPR
BONDING SCREW KIT - 1 SCREW PER
BREAKER 3VA 125 EM THRU DOOR OP
BREAKER 3VA 125A ENCLOSURE TYP 1
BREAKER 3VA 250A ENCLOSURE TYP 3
BREAKER 3VA 3P 600A DRAW OUT ASS
BREAKER 3VA 3P 600A PLUG IN ASSE
BREAKER 3VA 4P 600A DRAW OUT ASS
BREAKER 3VA 4P 600A PLUG IN ASSE
BREAKER 3VA DRAW OUT AUX CIRCUIT
BREAKER 3VA PI DO POS SWITCH COM
BREAKER 3VA PLUG IN AUX CIRCUIT
BREAKER 3VA PLUG IN DRAW OUT POS
BREAKER 3VA125,250 48 IN MAX FLE
BREAKER 3VA4,5 125 EM HNDL NEMA
BREAKER 3VA4,5 125 ROT HNDL NEMA
BREAKER 3VA4,5 125A 1 WIRE AL LU
BREAKER 3VA4,5 125A 1 WIRE CU LU
BREAKER 3VA4,5 125A 1 WIRE STL L
BREAKER 3VA4,5 125A AL LUG 3PC W
BREAKER 3VA4,5 125A CU LUG 3PC W
BREAKER 3VA4,5 125A PLSTC ROT HD
BREAKER 3VA4,5,6 AUX SWITCH STAN
BREAKER 3VA4,5,6 UVR 24VDC
BREAKER 3VA5 125 SHORT TERM CVR
BREAKER 3VA5 125A DIST LUG 6 WIR
BREAKER 3VA5 125A MOTOR OP 230VA
BREAKER 3VA5 125A MOTOR OPER 24
BREAKER 3VA5 250A 1 WIRE 3P AL L
BREAKER 3VA5 250A 1 WIRE AL LUGS
BREAKER 3VA5 250A 1 WIRE CU LUGS
BREAKER 3VA5 250A 1 WIRE STEEL L
BREAKER 3VA5 250A 2 WIRE AL LUGS
BREAKER 3VA5 250A 2WIRE AL LG 3P
BREAKER 3VA5 250A 3P AL LUG EXT
BREAKER 3VA5 250A AL LUG 3PC WIR
BREAKER 3VA5 250A CU LUG 3PC WIR
BREAKER 3VA5 250A DIST LUG 6 WIR
BREAKER 3VA5, 400,600A NUTKEEPER
BREAKER 3VA5,6 250 SHORT TERM CV
BREAKER 3VA5,6 400600A 2 WIRE AL
BREAKER 3VA5,6 400600A 2 WIRE CU
BREAKER 3VA56 400600 2W AL LG 3P
BREAKER 3VA56 400600 2W AL LG 4P
BREAKER 3VA56 400600 2W CU LG 3P
BREAKER 3VA56 400600 2W CU LG 4P
BREAKER 3VA6 125,250A 1 WIRE STL
BREAKER 3VA6 150,250A 1 WIRE STL
BREAKER 3VA6 150250A 1 WIRE AL L
BREAKER 3VA6 150250A 1 WIRE CU L
BREAKER 3VA6 150250A AL LUG 4PC
BREAKER 3VA6 150250A CU LUG 3PC
BREAKER 3VA6 150250A CU LUG 4PC
BREAKER 3VA6 250 350MCM AL LUG1W
BREAKER 3VA6 250 3P COMPLETE DRW
BREAKER 3VA6 250 3P COMPLETE PLU
BREAKER 3VA6 250 3P DRAW OUT CON
BREAKER 3VA6 250 4P COMPLETE DRW
BREAKER 3VA6 250 4P COMPLETE PLU
BREAKER 3VA6 250 4P DRAW OUT CON
BREAKER 3VA6 250 AL 300MCM LUG2W
BREAKER 3VA6 250 CU 350MCM LUG1W
BREAKER 3VA6 250A 350MCM AL LUG
BREAKER 3VA6 250A 350MCM STEEL L
BREAKER 3VA6 250A 3P PLUG IN CON
BREAKER 3VA6 250A 3P TERM COVER
BREAKER 3VA6 250A 4P PLUG IN CON
BREAKER 3VA6 250A 4P TERM COVER
BREAKER 3VA6 250A DIST LUG 6 #2
BREAKER 3VA6 250A MOTOR OP 230VA
BREAKER 3VA6 250A MOTOR OPER 24
BREAKER 3VA6 250A ROT HNDL NEMA
BREAKER 3VA6 250A THRU DOOR TUNN
BREAKER 3VA6 400 3P COMPLETE DRW
BREAKER 3VA6 400 3P COMPLETE PLU
BREAKER 3VA6 400 4P COMPLETE DRW
BREAKER 3VA6 400 4P COMPLETE PLU
BREAKER 3VA6 400 600 3P DRAW OUT
BREAKER 3VA6 400 600 4P DRAW OUT
BREAKER 3VA6 400 600A 3P PLUG IN
BREAKER 3VA6 400 600A 4P PLUG IN
BREAKER 3VA6 400,600A 1 WIRE STL
BREAKER 3VA6 400600A 1 WIRE AL L
BREAKER 3VA6 400600A 1 WIRE CU L
BREAKER 3VA6 400600A AL LUG 3PC
BREAKER 3VA6 400600A AL LUG 4PC
BREAKER 3VA6 400600A CU LUG 3PC
BREAKER 3VA6 400600A CU LUG 4PC
BREAKER 3VA6 600A 3P TERM COVER
BREAKER 3VA6 600A 4P TERM COVER
BREAKER 3VA6 600A DIST LUG 6 WIR
BREAKER 3VA6 600A MOTOR OP 230VA
BREAKER 3VA6 600A MOTOR OPER 24
BREAKER 3VA6 600A PLASTIC ROT HD
BREAKER 3VA6 600A ROT HNDL NEMA
BREAKER 3VA6 600A THRU DOOR TUNN
BREAKER 3VA6 TD300 ACTIVATE ETU,
BREAKER,3VA4,5 125 3P AL LUG EXT
BREAKER,3VA4,5 125A 1 WIRE 3P AL
BRKR 3VA 800/1000A 3P LUG 4W CVR
BRKR 3VA 800/1000A 4P LUG 4W CVR
BRKR 3VA DRAW COMM CABLE ACC
BRKR 3VA DRAW CRANK HNDL ACC
BRKR 3VA1 160A DM RO INLK ACC
BRKR 3VA13/14/23/24 MOTOR OP 230
BRKR 3VA2 250A AUTO PLNG DRAW AC
BRKR 3VA2 250A AUTO PLNG PLUG AC
BRKR 3VA2 250A CABLE CAGE ACC
BRKR 3VA2 630A DM RO INLK ACC
BRKR 3VA20/21/22 MOTOR OP 230V
BRKR 3VA5 125A 3P DIST LUG W/CVR
BRKR 3VA5 125A 3P LUG W/TAP CVR
BRKR 3VA5 125A 3P SM CU LUG 1W
BRKR 3VA5 125A 3P SM CU LUG W/TA
BRKR 3VA5 125A 3P SM LUG 1W
BRKR 3VA5 125A 3P SM LUG W/TAP 1
BRKR 3VA5 125A 4P 0 CU LUG 1W
BRKR 3VA5 125A 4P 0 CU LUG W/TAP
BRKR 3VA5 125A 4P BOX TRML 1W
BRKR 3VA5 125A 4P DIST LUG W/CVR
BRKR 3VA5 125A 4P LUG 1W
BRKR 3VA5 125A 4P LUG W/CVR 1W
BRKR 3VA5 125A 4P LUG W/TAP 1W
BRKR 3VA5 125A 4P LUG W/TAP CVR
BRKR 3VA5 125A 4P SM CU LUG 1W
BRKR 3VA5 125A 4P SM CU LUG W/TA
BRKR 3VA5 125A 4P SM LUG 1W
BRKR 3VA5 125A 4P SM LUG W/TAP 1
BRKR 3VA5 250A 3P BOX TRML W/TAP
BRKR 3VA5 250A 3P DIST LUG W/CVR
BRKR 3VA5 250A 3P LG BOX TRML W/
BRKR 3VA5 250A 3P LUG W/TAP CVR
BRKR 3VA5 250A 4P BOX TRML 1W
BRKR 3VA5 250A 4P BOX TRML W/TAP
BRKR 3VA5 250A 4P CU LUG 1W
BRKR 3VA5 250A 4P CU LUG W/TAP 1
BRKR 3VA5 250A 4P LG BOX TRML 1W
BRKR 3VA5 250A 4P LG BOX TRML W/
BRKR 3VA5 250A 4P LG LUG 1W
BRKR 3VA5 250A 4P LG LUG W/TAP1W
BRKR 3VA5 250A 4P LUG W/CVR 1W
BRKR 3VA5 250A 4P LUG W/CVR 2W
BRKR 3VA5 250A 4P LUG W/CVR 6W
BRKR 3VA5 250A 4P LUG W/TAP 1W
BRKR 3VA5 250A 4P LUG W/TAP 2W
BRKR 3VA52/61/62 STORD ENERGY OP
BRKR 3VA52/61/62 STORD ENRGY OP
BRKR 3VA52/61/62 STORED ENERGY O
BRKR 3VA57/67 1200A 3P LUG 4W CV
BRKR 3VA6 250A 3P BOX TRML W/TAP
BRKR 3VA6 250A 3P DIST LUG W/CVR
BRKR 3VA6 250A 3P LG BOX TRML W/
BRKR 3VA6 250A 3P LUG W/TAP CVR
BRKR 3VA6 250A 4P BOX TRML W/TAP
BRKR 3VA6 250A 4P LG BOX TRML W/
BRKR 3VA6 250A AL 350MCM LUG 1WI
BRKR 3VA6 250A AL 350MCM LUG 2WI
BRKR 3VA6 250A AL14-1/0AWG LUG 1
BRKR 3VA6 600A 3P BOX TRML W/TAP
BRKR 3VA6 600A 3P DIST LUG W/CVR
BRKR 3VA6 600A 4P BOX TRML W/TAP
BRKR 3VAX5/6 800/1000A 3P LUG 2W
BRKR 3VAX5/6 800/1000A 3P LUG 4W
BRKR 3VAX7/8/9 1200-2000A 2P PHA
BRKR MD/ND AL BODY 3PC LUG 2W 75
BRKR MD/ND AL BODY 3PC LUG 3W 75
BUSBAR FOR ESX10-T 500MM
CABLE TERMINAL FOR 3RV1.7-7G 6 P
CAP PLASTIC FOR 570 & 571 HOLDER
Circuit Breaker AC DC
COLLAR CIRCUIT BRKE 2POLE
COLLAR CIRCUIT BRKR 2POLE
CONN ATTACH PLUG FML-FML N
CONTACTOR BASE S0 FOR 3RV29
CONTACTOR BASE S00 FOR 3RV29
CONTROL CONNECTOR
COUPLING MOD FOR IO-LINK/ ASI, R
COVER AND COLLAR 1POLE IP65
COVER AND COLLAR 2POLE IP65
COVER AND COLLAR 3POLE IP65
COVER CIRCUIT BRKR 1POLE
COVER CIRCUIT BRKR 2POLE
COVER F. 3RV2742
COVER FOR TRANSVERSE AUX. SWITCH
COVER FUSE 3AG VINYL
COVER FUSE BLACK FOR 656/658
COVER FUSE HOLDER W/WINDOW PVC
COVER FUSE TRANSPRNT FOR 656/658
COVER ONLY FOR #4527 FUSE HOLDER
CURRENT SCALE COVER FOR S00 SO M
DISC PUSH TO RESET W58 TYPE 1
DOOR LATCH KIT
END COVER FOR 3-PHASE BUSBAR 3RV
EXPANSION PLUG 3-PH FOR 3RV29
EXTENDED TERM FRONT-ACCESS.TERM,
FIFTH JAW KIT
FLANGE MOUNT ADAPTER VESA 100/75
FUSE CLIP CARTRIDGE IN LINE
Fuse Holder 200A 32V 1 Circuit Bolt Down
FUSE REDUCER 60-30A 250V
FUSE REDUCER 60-30A 600V
FUSEBLOCK COVER FOR 646/647 CLR
FUSEHOLDER ADAPTER FOR 646 & 647
FUSEHOLDER CAP FOR 598 5X20MM
GASKET CIRCUIT BRKR 2POLE
GFCI Permanent Splice
H12E MD/ND AL BODY 3LUG 4W 500KC
IO-LINK FUNC MOD DIRECT S00+S0 S
IO-LINK FUNC MODULE WYE DELTA SC
IO-LINK FUNC MODULE WYE DELTA SP
IO-LINK FUNCTION MOD REV S00+S0
ISOLATOR MODULE FOR S00/S0 MSP
KNURLED NUT CIRCUIT BRKR BLACK
KNURLED NUT CIRCUIT BRKR NICKEL
LATERAL AUX SWITCH 1NO+1NC RING
LATERAL AUXILIARY SWITCH 1NO+1NC
LATERAL AUXILIARY SWITCH 2NC SCR
LATERAL AUXILIARY SWITCH 2NC, SP
LATERAL AUXILIARY SWITCH 2NO SCR
LATERAL AUXILIARY SWITCH 2NO SPR
LATERAL AUXILIARY SWITCH 2NO+2NC
LINE CONNECTOR SIZE S0 SPRING QT
LINE CONNECTOR SIZE S0 SPRING
LINE CONNECTOR SIZE S00 SCREW QT
LINE CONNECTOR SIZE S00 SCREW
LINE CONNECTOR SIZE S00 SPRING Q
LINE CONNECTOR SIZE S00 SPRING
LINK MODULE S00 FOR AC AND DC CO
LINK MODULE, EL AND MECH,SPRING
LOCKING DEVICE BRKR 2POLE
MEDIUM VOLTAGE LIVE PART
MSP 102 LKS ENCL IP55 INS. 72NN
MSP 3RV 4 LINE SIDE FEEDER 45MM
MSP 3RV 5 LINE SIDE FEEDER 45MM
MSP S0 ALM ENCL IP55 INSIDE 72MM
MSP S0 FLS ENCL IP55,INSIDE 72MM
MSP S0 PLS ENCL IP55 INS. 54MM B
MSP S0 PLS ENCL IP55 INSIDE 54MM
MSP S0 PLS ENCL IP55 INSIDE 72MM
MSP S0 PLS ENCL IP55,INSIDE 72MM
MSP S0-S3 FRONT PLATE
MSP S00 FRONT PLATE
MSP S2 ISOLATOR MODULE
MSP S2 LINE TERMINAL TOP FEED
MSP S2 LINE TERMINAL TYPE E TOP
MSP S2 PHASE BARRIER TYPE E
MSP S2 PLS ENCL IP55 INSIDE 82MM
MSP S2 PLS ENCL,IP55 INS. 82MM B
MTRIZED OPERATING MECH WITH SPRI
NUT CIRCUIT BRKR
Polymeric PTC Resettable Fuse 60V (600V Int) 150mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V (600V Int) 160mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 1.1A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 1.35A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 1.6A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 1.85A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 100mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 170mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 2.5A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 200mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 250mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 3.75A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 300mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 3A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 400mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 500mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 650mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 750mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 60V 900mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 1.1A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 1.35A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 1.6A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 1.85A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 2.5A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 200mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 250mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 3.75A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 300mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 3A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 400mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 500mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 650mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 750mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 72V 900mA Ih Through Hole Radial, Disc
POWER SUPPLY SYSTEM 3RV29 BASIC-
POWER SUPPLY SYSTEM 3RV29 EXPANS
PWR INPUT CONN APD SYS 90A/600V
REAR COVER CIRCUIT BRKR 2POLE
REMOTE CONTROL F.MOTOR SZS3,230V
RIBBON CONNECTOR 10-14 POLE 2M S
RIBBON CONNECTOR 10-POLE 8CM S00
RIBBON CONNECTOR 14-POLE 21CM S0
RIBBON CONNECTOR 14-POLE 8CM S00
RIBBON CONNECTOR 14-POLE SHORT
ROTARY HANDLE FOR 3RV106,107
SCREW COVER CIRCUIT BRKR 2POLE
SERVICE SET KTP MOBILE PROTECTIV
SHAFT SUPPT FOR HARSH CONDITION
SHUNT RELEASE, AC 20-24V, 50/60H
SHUNT RELEASE, AC 210-240V, 50/6
SHUNT RELEASE, AC 350-415V, 50/6
SHUNT RELEASE, AC 500V, 50/60HZ
SHUNT RELEASE, AC 90-110V, 50/60
SIGNALING SWITCH FOR MSP 2NO/2NC
SIRIUS NG CONNECT
SPD 150VAC MCOV 1 POLE
SPD 23VAC/33VDC MCOV 1 POLE
SPD 38.5VAC/55VDC MCOV 1 POLE
SPD 4.2VAC/6VDC MCOV 1 POLE
SUPPLY MODULE - FOR ESX10-TS
T11 T12 T13 ACCESSORIES CIRCUIT
TERMINAL BLOCK. SIZE S3
TOOTH CAPS FOR UL1077 COMB BUS B
TOUCH PEN CAPS RES
TOUCH PROTECT COVER F 3-P CIRCUI
TOUCH PROTECT COVER F AUX CIRCUI
TRANSVERSE AUX. SW 1NO+1NC RING
TRANSVERSE AUX. SWITCH 1CO SCREW
TRANSVERSE AUX. SWITCH 1NO+1NC S
TRANSVERSE AUX. SWITCH 2NO SCREW
TRANSVERSE AUX. SWITCH 2NO SPRIN
TRANSVERSE AUX. SWITCH SOLID STA
TVS DEV MOSFET ARRAY 40V 18SOIC
TVS DEVICE MIXED 16-TSSOP
TVS DEVICE MIXED 40V 18SOIC
TVS DEVICE MIXED 40V 20-SSOP
TVS DEVICE MIXED 40V SOT-23-6
TVS DEVICE MIXED 8-TDFN
TVS DEVICE POLYMER 30V SMD
TVS DEVICE POLYMER 35V 1206
TVS DEVICE POLYMER 60V 1206
TYPE E PHASE BARRIER S00/S0
TYPE E TERMINAL BLOCK S00/S0 SCR
UNDERVOLT. RELEASE W. 2 AUX. CON
UNDERVOLTAGE RELEAS AC 110-120V
UNDERVOLTAGE RELEASE AC 208V 60H
UNDERVOLTAGE RELEASE AC 230-240V
UNDERVOLTAGE RELEASE AC 240V/60H
UNDERVOLTAGE RELEASE AC 24V 50HZ
UNDERVOLTAGE RELEASE AC 400-440V
UNDERVOLTAGE RELEASE AC 415-480V
UNDERVOLTAGE RELEASE AC 440V/60H
UNDERVOLTAGE RELEASE AC 480V/60H
UNDERVOLTAGE RELEASE AC 500-600V
UNDERVOLTAGE RELEASE DC 24V SCRE

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