Eaton
CKDPV4350W
Eaton CKDPV4350W Series C Industrial Circuit Breaker 350AMPS 100VDC 4 Pole
In stock
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$1,334.00
Circuit Breakers & Accessories
833 listings · 820 in stock
833 circuit breakers & accessories listings from the brands you use, each one photographed. Free shipping in the lower 48.
Weekly new-arrivals email for Circuit Breakers & Accessories
Eaton
458D493G03
Eaton 458D493G03 Vari-Depth Mechanism for JA KA HKA DA LB LBB HLB Breakers NEW
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$609.00
General Electric
G0521
GE G0521 30A 3P Breaker
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$15.00
Federal Pacific
Federal Pacific 100 Amp 2 Pole Type NA Circuit B
Federal Pacific 100 Amp 2 Pole Type NA Circuit Breaker Stab-Lok FPE
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$139.00
General Electric
THED124015
GE THED124015 480VAC 250VDC 2 Pole
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$30.00
Industrial part
THED136125WL
General Knowledge THED136125WL 125 600AC
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$1,239.99
General Electric
THED124100
GE THED124100 2 Pole 100 Amp. 480 VAC 250 VDC
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$95.00
General Electric
THJK426F000
GE HI-Break Circuit Breaker THJK426F000 400AMP Damaged As in Picture
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$224.00
Schneider Electric
PGL36100JK
SCHNEIDER Electric CIRCUIT BREAKER PowerPacT PGL36100JK PG1000 600VAC, 18kA, 3P
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$15,074.00
Klein Tools
ET300
Klein Tools ET300 Digital Circuit Breaker
Only 1 left
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$15.00
General Electric
TEC36015
GE MAG-Break Circuit Breaker TEC36015 15AMP 600VAC 3POLE
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$90.00
Moeller
3.1/4-PKZM1
Moeller B 3.1/4-PKZM1 63A 690V
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$10.00
Siemens
3VE1010-2C
Siemens 3VE1010-2C 380-660V 100KA 3A
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$9.00
Eaton
FAZ-D5/1
Eaton Corporation FAZ-D5/1 Circuit Breaker Single Pole 277VAC 5AMP
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$8.00
Industrial part
235P255H01
Wesinghouse Bryant 235P255H01 CIR BKR 3 Pole UNITLL-6129
Only 1 left
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$26.00
Sprecher + Schuh
KTA3-100
Sprecher+schuh KTA3-100 40A 50/60HZ
Only 1 left
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$249.99
Mitsubishi
NF50-SVFU330
Mitsubishi NO-Fuse Breaker NF50-SVFU330 AC200V 30A 14KA
Only 1 left
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$184.99
Mitsubishi
NF30-FA
Mitsubishi Electric NO-Fuse Breaker NF30-FA 20A 50/60HZ 65VDC AC220V
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$15.00
Eaton
FD1020VH08
Eaton FD1020VH08 (Marine Label) Series C Industrial Breaker 20 Amps 277 VAC Each
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$284.99
Square D
MJ-5454
Square D 3P Breaker 30A MJ-5454 QO Hacr
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$15.00
Sprecher + Schuh
Sprecher + Schuh L8-10/2/D D 10 BREAKER
Sprecher + Schuh L8-10/2/D D 10 BREAKER
Only 1 left
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$25.00
Moeller
PKZMO-63
Klockner Moeller PKZMO-63 NH11PKZ0
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$22.00
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Guides for Circuit Breakers & Accessories
- Circuit protectionMolded Case Circuit Breaker Ratings & ReplacementsFrame size, trip rating, interrupting rating (kA), voltage and slash ratings, trip units and mounting – and a checklist for a safe replacement.
- Parts identificationHow to Read Breaker & VFD Nameplates and Date CodesFrame, trip and interrupting ratings on breakers; input, output, duty ratings and series on drives – and where to look for the date of manufacture.