.hide-partial { max-height: none; } .show-more { display: none; }

Circuit Protection

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 370

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Download Table (.CSV)

Part #

Circuit Breakers LGU 4P 400A LSI BRK WITHOUT TERMINALS

LGU440032W
Eaton Electrical
1: $28,750.16
Non-Stocked

Mfr. Part No.
LGU440032W

Mouser Part No
504-LGU440032W

Eaton Electrical

Circuit Breakers LGU 4P 400A LSI BRK WITHOUT TERMINALS

Non-Stocked

$28,750.16

Min.: 1
Mult.: 1

Circuit Breakers LG PV 1000VDC 4P 400A 5KA 80% RTD F/F

LGPV4400W
Eaton Electrical
1: $14,583.77
Non-Stocked
New At Mouser

Mfr. Part No.
LGPV4400W

Mouser Part No
504-LGPV4400W

New At Mouser

Eaton Electrical

Circuit Breakers LG PV 1000VDC 4P 400A 5KA 80% RTD F/F

Non-Stocked

$14,583.77

Min.: 1
Mult.: 1

Circuit Breaker Accessories 4 POLE C-H IEC 400A

ELLBE4400W
Eaton Electrical
1: $6,055.48
Non-Stocked
New At Mouser

Mfr. Part No.
ELLBE4400W

Mouser Part No
504-ELLBE4400W

New At Mouser

Eaton Electrical

Circuit Breaker Accessories 4 POLE C-H IEC 400A

Non-Stocked

$6,055.48

Min.: 1
Mult.: 1

Circuit Breakers TYPE HKD 4P 400A MOLDED CASE SWITCH

HKD4400KW
Eaton Electrical
1: $19,558.35
Non-Stocked

Mfr. Part No.
HKD4400KW

Mouser Part No
504-HKD4400KW

Eaton Electrical

Circuit Breakers TYPE HKD 4P 400A MOLDED CASE SWITCH

Non-Stocked

$19,558.35

Min.: 1
Mult.: 1

Circuit Breakers KD4400K 4P 400A MCSLn/Ld lugs RH &

KD4400KW16
Eaton Electrical
1: $14,420.26
Non-Stocked
New At Mouser

Mfr. Part No.
KD4400KW16

Mouser Part No
504-KD4400KW16

New At Mouser

Eaton Electrical

Circuit Breakers KD4400K 4P 400A MCSLn/Ld lugs RH &

Non-Stocked

$14,420.26

Min.: 1
Mult.: 1

Circuit Breakers KD4400 50 deg C calibration

KD4400V
Eaton Electrical
1: $12,673.46
Non-Stocked
New At Mouser

Mfr. Part No.
KD4400V

Mouser Part No
504-KD4400V

New At Mouser

Eaton Electrical

Circuit Breakers KD4400 50 deg C calibration

Non-Stocked

$12,673.46

Min.: 1
Mult.: 1

Circuit Breakers 4 Pole, 400 Amp, 100kA

LGC4400FAG
Eaton Electrical
1: $25,900.85
Non-Stocked

Mfr. Part No.
LGC4400FAG

Mouser Part No
504-LGC4400FAG

Eaton Electrical

Circuit Breakers 4 Pole, 400 Amp, 100kA

Non-Stocked

$25,900.85

Min.: 1
Mult.: 1

Circuit Breakers LGE 4P 400A FXD therm/adj mag/0% NEU BRK

LGE4400FAG
Eaton Electrical
1: $15,232.85
Non-Stocked
New At Mouser

Mfr. Part No.
LGE4400FAG

Mouser Part No
504-LGE4400FAG

New At Mouser

Eaton Electrical

Circuit Breakers LGE 4P 400A FXD therm/adj mag/0% NEU BRK

Non-Stocked

$15,232.85

Min.: 1
Mult.: 1

Circuit Breaker Accessories LSI 4 POLE 400A 0%N

LT440032
Eaton Electrical
1: $6,908.80
Non-Stocked
New At Mouser

Mfr. Part No.
LT440032

Mouser Part No
504-LT440032

New At Mouser

Eaton Electrical

Circuit Breaker Accessories LSI 4 POLE 400A 0%N

Non-Stocked

$6,908.80

Min.: 1
Mult.: 1

Circuit Breaker Accessories LT 4P TU 400A FXD Therm Adj Mag 0% NEU (

LT4400FA
Eaton Electrical
1: $8,762.40
Non-Stocked
New At Mouser

Mfr. Part No.
LT4400FA

Mouser Part No
504-LT4400FA

New At Mouser

Eaton Electrical

Circuit Breaker Accessories LT 4P TU 400A FXD Therm Adj Mag 0% NEU (

Non-Stocked

$8,762.40

Min.: 1
Mult.: 1

Circuit Breakers TYPE KW BRK 4P 400A FRAME LH NEUTRAL

KW4400F
Eaton Electrical
1: $12,118.23
Non-Stocked
New At Mouser

Mfr. Part No.
KW4400F

Mouser Part No
504-KW4400F

New At Mouser

Eaton Electrical

Circuit Breakers TYPE KW BRK 4P 400A FRAME LH NEUTRAL

Non-Stocked

$12,118.23

Min.: 1
Mult.: 1

Circuit Breakers LGS 4P 400A FXD therm/adj mag/0% NEU BRK

LGS4400FAG
Eaton Electrical
1: $19,046.40
Non-Stocked
New At Mouser

Mfr. Part No.
LGS4400FAG

Mouser Part No
504-LGS4400FAG

New At Mouser

Eaton Electrical

Circuit Breakers LGS 4P 400A FXD therm/adj mag/0% NEU BRK

Non-Stocked

$19,046.40

Min.: 1
Mult.: 1

Circuit Breakers TYPE HKW BREAKER 4 POLE 400A

HKW4400
Eaton Electrical
1: $23,149.54
Non-Stocked

Mfr. Part No.
HKW4400

Mouser Part No
504-HKW4400

Eaton Electrical

Circuit Breakers TYPE HKW BREAKER 4 POLE 400A

Non-Stocked

$23,149.54

Min.: 1
Mult.: 1

Circuit Breakers TYPE HKW BRK 4P 400A FRAME LH NEUTRAL

HKW4400F
Eaton Electrical
1: $19,094.73
Non-Stocked
New At Mouser

Mfr. Part No.
HKW4400F

Mouser Part No
504-HKW4400F

New At Mouser

Eaton Electrical

Circuit Breakers TYPE HKW BRK 4P 400A FRAME LH NEUTRAL

Non-Stocked

$19,094.73

Min.: 1
Mult.: 1

Circuit Breakers HKW 4P 400A ADJ. TM 70KA 415VAC L/LTERM

HKW4400V
Eaton Electrical
1: $23,149.54
Non-Stocked

Mfr. Part No.
HKW4400V

Mouser Part No
504-HKW4400V

Eaton Electrical

Circuit Breakers HKW 4P 400A ADJ. TM 70KA 415VAC L/LTERM

Non-Stocked

$23,149.54

Min.: 1
Mult.: 1

Circuit Breakers KD 4P 400A MCCB SW W/4TA400K TERMINALS

KD4400K
Eaton Electrical
1: $11,993.74
Non-Stocked
New At Mouser

Mfr. Part No.
KD4400K

Mouser Part No
504-KD4400K

New At Mouser

Eaton Electrical

Circuit Breakers KD 4P 400A MCCB SW W/4TA400K TERMINALS

Non-Stocked

$11,993.74

Min.: 1
Mult.: 1

Circuit Breakers 4 Pole, 400 Amp, 200kA, LSI ETU

LGX440032G
Eaton Electrical
1: $32,739.26
Non-Stocked

Mfr. Part No.
LGX440032G

Mouser Part No
504-LGX440032G

Eaton Electrical

Circuit Breakers 4 Pole, 400 Amp, 200kA, LSI ETU

Non-Stocked

$32,739.26

Min.: 1
Mult.: 1

Circuit Breakers 4 Pole, 400 Amp, 200kA

LGX4400AAG
Eaton Electrical
1: $31,735.96
Non-Stocked

Mfr. Part No.
LGX4400AAG

Mouser Part No
504-LGX4400AAG

Eaton Electrical

Circuit Breakers 4 Pole, 400 Amp, 200kA

Non-Stocked

$31,735.96

Min.: 1
Mult.: 1

Circuit Breaker Accessories 4P 400A KES DIGITRIP 310 TRIP UNIT W/ LS

KES4400LS
Eaton Electrical
1: $4,408.23
Non-Stocked
New At Mouser

Mfr. Part No.
KES4400LS

Mouser Part No
504-KES4400LS

New At Mouser

Eaton Electrical

Circuit Breaker Accessories 4P 400A KES DIGITRIP 310 TRIP UNIT W/ LS

Datasheet

Non-Stocked

$4,408.23

Min.: 1
Mult.: 1

Circuit Breakers KW 400A COMPLETE BKR W/LINE & LOAD TERM

KW4400
Eaton Electrical
1: $13,868.14
Non-Stocked
New At Mouser

Mfr. Part No.
KW4400

Mouser Part No
504-KW4400

New At Mouser

Eaton Electrical

Circuit Breakers KW 400A COMPLETE BKR W/LINE & LOAD TERM

Non-Stocked

$13,868.14

Min.: 1
Mult.: 1

Circuit Breakers KWC 4P 400A CKT CB Assy W/TA300KTERM&Mtg

KWC4400
Eaton Electrical
1: $29,825.38
Non-Stocked

Mfr. Part No.
KWC4400

Mouser Part No
504-KWC4400

Eaton Electrical

Circuit Breakers KWC 4P 400A CKT CB Assy W/TA300KTERM&Mtg

Non-Stocked

$29,825.38

Min.: 1
Mult.: 1

Circuit Breakers 4 Pole, 400 Amp, 150kA, LSG ETU

LGU440035G
Eaton Electrical
1: $31,912.54
Non-Stocked

Mfr. Part No.
LGU440035G

Mouser Part No
504-LGU440035G

Eaton Electrical

Circuit Breakers 4 Pole, 400 Amp, 150kA, LSG ETU

Non-Stocked

$31,912.54

Min.: 1
Mult.: 1

Circuit Breakers LGU 4P 400A LSIG BRK WITHOUT TERMINALS

LGU440036W
Eaton Electrical
1: $34,745.83
Non-Stocked

Mfr. Part No.
LGU440036W

Mouser Part No
504-LGU440036W

Eaton Electrical

Circuit Breakers LGU 4P 400A LSIG BRK WITHOUT TERMINALS

Non-Stocked

$34,745.83

Min.: 1
Mult.: 1

Fuse Holder Fuse holder,VLC CC,30A,3p+LED

002544400
Altech
1: $82.27
Non-Stocked

Mfr. Part No.
002544400

Mouser Part No
845-002544400

Altech

Fuse Holder Fuse holder,VLC CC,30A,3p+LED

Non-Stocked

$82.27

$67.68

$61.40

$55.40

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 5,5 URD 44 TTQF 4400

R221873
Mersen
1: $29,634.58
Non-Stocked

Mfr. Part No.
R221873

Mouser Part No
737-R221873

Mersen

Industrial & Electrical Fuses 5,5 URD 44 TTQF 4400

Non-Stocked

$29,634.58

View

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support