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Electrical & Power > Insulated Case and Molded Case Circuit Breakers

Insulated Case and Molded Case Circuit Breakers

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1 - 50 of 5294 listings

1/2500 amps, Cutler-Hammer Power Defense, PDG Size 1, 2, 3, 4, 5 and 6

Denver Breaker & Supply | Denver, CO
Seller: Denver Breaker & Supply
Location: Denver, CO
Mfr: Cutler-Hammer
Model: PDG SIZE 1

1 Amp, Eaton #FAZ-C1/4, 279046 Miniature Circuit Breaker, 4-Pole, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Eaton
Model: 279046 MINIATURE CIRCUIT BREAKER
Eaton Moeller series xEffect - FAZ MCB. FAZ, 4 pole, tripping characteristic: C, rated current In: 1 A. Eaton. Eaton Corporation. FAZ-C1/4.

1/3200 amps, GE/ABB, SACE, T-Max XT, T-Max T, Formula Series, Record Plus, TEY lighting panel type

Denver Breaker & Supply | Denver, CO
Seller: Denver Breaker & Supply
Location: Denver, CO
Mfr: Ge/abb
Model: SACE

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Insulated Case and Molded Case Circuit Breakers (also known as MCCBs or compact circuit breakers) are protective devices designed to interrupt electrical flow during overcurrent or short circuit conditions. Insulated case breakers are typically larger and used in industrial settings, while molded case breakers are compact and widely used in residential, commercial, and industrial applications. Both types offer reliable circuit protection, ease of installation, and durability for various electrical systems.

1/1200 amps, General Electric TEB, TED, THED, TQD, THQD, TFK, TFJ, THFK, TJJ, TJK, THJK, TKM, THKM

Denver Breaker & Supply | Denver, CO
Seller: Denver Breaker & Supply
Location: Denver, CO
Mfr: General Electric
Model: TED

1/1200 amps, General Electric Spectra-Series, TEY, SEDA, SEHA, SELA, SFHA, SFLA, SGDA, SGHA, SGLA, SKHA, SKLA

Denver Breaker & Supply | Denver, CO
Seller: Denver Breaker & Supply
Location: Denver, CO
Mfr: General Electric
Model: TEY

1/2000 Amps, ITE /Siemens, BQD-ED-FXD-JXD-LXD-ETC, 240/480 Volts

Select Equipment Co Inc | Kokomo, IN
Seller: Select Equipment Co Inc
Location: Kokomo, IN
Mfr: Ite
Model: BQDEDFXDJXDLXDETC

1/2000 amps, ITE/Siemens, BL, BQD, ED, QR, FXD, JXD, LXD, LMXD, MXD, NXD, PXD, RXD

Denver Breaker & Supply | Denver, CO
Seller: Denver Breaker & Supply
Location: Denver, CO
Mfr: Ite/siemens
Model: BL

1/2000 amps, ITE/Siemens, EH3, QJ3, FJ3, JL3, LL3, KM3, KP3, HP3, HR3

Denver Breaker & Supply | Denver, CO
Seller: Denver Breaker & Supply
Location: Denver, CO
Mfr: Ite/siemens
Model: EH3

1 Amp, Moeller #FAZ-C1/3-NA, 102238 Miniature Circuit Breaker, 3-Pole, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Moeller
Model: 102238 MINIATURE CIRCUIT BREAKER
Eaton Moeller series xEffect - FAZ-NA, FAZ-RT MCB. FAZ-NA, 3-pole, tripping characteristic: C, rated current In: 1 A, Switchgear for export to North America (UL-listed). Moeller. Eaton Corporation. FAZ-C1/3-NA.

1/2000 amps, Siemens, NGB, HGB, LGB, 3VA type

Denver Breaker & Supply | Denver, CO
Seller: Denver Breaker & Supply
Location: Denver, CO
Mfr: Siemens
Model: NGB

1/2500 amps, Square D, EHB34, FA, Q2, KA, LA, MA, NA, PA, FC, KC, LC, NC, FI, KI, LI, PC, PE, I-Line and unit mount

Denver Breaker & Supply | Denver, CO
Seller: Denver Breaker & Supply
Location: Denver, CO
Mfr: Square D
Model: EHB34

2 Amp, Moeller #FAZ-B2/1-SP, 167481 Circuit Breaker, 1-Pole, B Curve, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Moeller
Model: 167481 CIRCUIT BREAKER
Eaton FAZ supplementary protector,UL 1077 Industrial miniature circuit breaker-supplementary protector,Single package,Low levels of inrush current are expected,2 A,15 kAIC,Single-pole,240/415 V,3-5X/n,Q38,50-60 Hz,Standard terminals,B CurveFAZ-B2/1-SP. Miniature circuit breaker (MCB), 2 A, 1p, characteristic: B. ...more

2 Amp, Siemens #5SY6104-7, Circuit Breakers 1 Pole 4 A w/ 5ST3010 Auxiliary Circuit Switches, LOT of 24

Aucto | San Francisco, CA
Seller: Aucto
Location: El Paso, TX
Mfr: Siemens
Model: CIRCUIT BREAKERS 1 POLE 4 A W/ 5ST3010 AUXILIARY C
VOLTAGE: 400 VAC | AMPS: 2 AMP.

2-800 Amps, Siemens, NMX3B800, 600 Volts, molded case, new

Five Star Circuit Breaker | Carson, CA
Seller: Five Star Circuit Breaker
Location: Carson, CA
Mfr: Siemens
Model: NMX3B800

3 Amp, Cutler-Hammer #WMS3D03, WMS Molded Circuit Breaker, 3 Pole, 3 phase, 240/480 Volts AC, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Cutler-Hammer
Model: WMS MOLDED CIRCUIT BREAKER
Cutler-Hammer Eaton Corporation WMS3D03 WMS Series Molded Circuit Breaker, 3A, 3 Pole, 3PH, 240/480VAC. Cutler-Hammer. Eaton Corporation. WMS3D03.

3 Amp, Eaton #HMCPS003A0C (3A16272G30), Series C Circuit Breaker, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Eaton
Model: SERIES C CIRCUIT BREAKER
Eaton molded case circuit breaker accessory motor protection, Motor circuit protector, 3 A, Three-pole, Electric starters, Frame J-K, 9-30 A, Series C, Non-aluminum. Eaton. Eaton Corporation. HMCPS003A0C.

3 Amp, Eaton #6601C87G01, Molded Case Circuit Breaker

Aucto | San Francisco, CA
Seller: Aucto
Location: El Paso, TX
Mfr: Eaton
Model: CIRCUIT BREAKER
600 VAC MAX, 250 VDC MAX, 3-POLE, 3 AMP, 9-30 TRIP RANGE | VOLTAGE: 600 VAC | AMPS: 3 AMP | ALTERNATIVE PART NUMBER: HMCP003AOC.

3 Amps, Eaton, PCF32000F, #859003

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: PCF32000F
Eaton Circuit Breaker, Molded Case type, Catalog Number PCF32000F, 2000 amp frame current, 600 volts.

3 Amps, General Electric #TEML36003, molded insulated case circuit breaker, 600 Volts

Casey Equipment/Electrical | Pittsburgh, PA
Seller: Casey Equipment/Electrical
Location: Pittsburgh, PA
Mfr: General Electric
Model: CIRCUIT BREAKER
INVENTORY ID 12272900000 TITLE 3 AMP, 600 VOLT, ELECTRIC, TEML36003, MOLDED INSULATED CASE BREAKER AMP 3 MANUFACTURER ELECTRIC CAT TEML36003 POLES 3 VOLTS 600 TRIPS ADJUSTABLE - INSTANTANEOUS 100 KA @240V, 65 KA @ 480V, 25 KA @ 600V HEIGHT 6 1/4" WIDTH 4 1/4" DEPTH 4 1/2".

3 Amp, IDEC #NRF110, 3 A Circuit Breaker, LOT of 42

Aucto | San Francisco, CA
Seller: Aucto
Location: El Paso, TX
Mfr: Idec
Model: 3 A CIRCUIT BREAKER
250 VAC 32 VDC | VOLTAGE: 250 VAC | AMPS: 3 AMP.

3 Amp, Moeller #FAZ-B3/1-SP, 167483 Miniature Circuit Breaker, 1-Pole, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Moeller
Model: 167483 MINIATURE CIRCUIT BREAKER
FAZ-B3/1-SP. Miniature circuit breaker (MCB), 3 A, 1p, characteristic: BEaton FAZ supplementary protector,UL 1077 Industrial miniature circuit breaker-supplementary protector,Single package,Low levels of inrush current are expected,3 A,15 kAIC,Single-pole,240/415 V,3-5X/n,Q38,50-60 Hz,Standard terminals,B Curve. ...more

3 Amp, Moeller #FAZ-C3/1-NA-L, 190611 Circuit Breaker, 1-Pole, C Curve, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Moeller
Model: 190611 CIRCUIT BREAKER
FAZ-C3/1-NA-L. Miniature circuit breaker (MCB), 3 A, 1p, characteristic: C, NA, labelling. Moeller. Eaton Corporation. FAZ-C3/1-NA-L.

3 Amp, Moeller #FAZ-C3/1-NA-L-SP, 195465 Circuit Breaker, 1-Pole, C Curve, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Moeller
Model: 195465 CIRCUIT BREAKER
Eaton FAZ branch protector,UL 489 Industrial miniature circuit breaker - supplementary protector,Single package,Medium levels of inrush current are expected,3 A,10 kAIC,Single-pole,277 V,5-10X /n,1,50-60 Hz,Screw terminals,C CurveEaton Moeller series xEffect - FAZ-NA, FAZ-RT MCB. Miniature circuit breaker (MCB), 3 A ...more

3 Amp, Moeller #FAZ-C3/1-RT-SP, 167206 Circuit Breaker, 1-Pole, C Curve, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Moeller
Model: 167206 CIRCUIT BREAKER
Eaton FAZ branch protector,UL 1077 Industrial miniature circuit breaker - supplementary protector,Single package,Medium levels of inrush current are expected,3 A,15 kAIC,Single-pole,277 V,5-10X /n,Q38,50-60 Hz,Ring-tongue terminals,C CurveFAZ-C3/1-RT-SP. Miniature circuit breaker (MCB), 3 A, 1p, characteristic: C ...more

3 Amps, Schneider Electric, MGN61523, 500 Volts circuit breaker

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Schneider Electric
Model: MGN61523

3 Amps, Westinghouse, HMCP003A0, Motor Circuit Protector with Current Limiter, 3-Pole, 600VAC, Magnetic Trip Only, 200kA

Transcanada Transformers & Switchgear | Pickering, ON
Seller: Transcanada Transformers & Switchgear
Location: Pickering, ON
Mfr: Westinghouse
Model: HMCP003A0
Westinghouse HMCP003A0 Motor Circuit Protector with Current Limiter, 3A – 3-Pole – 600VAC – Magnetic Trip Only – 200 kA Interrupting, >> Qty 3 In Stock <<, >> $125 USD / $175 CAD Each – $325 USD / $450 CAD for All 3 – or Best Offer – FOB Pickering, Ontario ...more

3 Amps, Westinghouse, MCP0322S, Motor Circuit Interrupter, 3-Pole, 600 V Max., Adjustable Magnetic Trip, 7A - 22A

Transcanada Transformers & Switchgear | Pickering, ON
Seller: Transcanada Transformers & Switchgear
Location: Pickering, ON
Mfr: Westinghouse
Model: MCP0322S
Westinghouse, MCP0322S, Motor Circuit Interrupter, MCCB - Molded Case Circuit Breaker, For Use in a Combination Motor Starter, ** Instantaneous (short-circuit) Protection Only **, * No Thermal Overload Element *, >> QTY 1 In Stock <<, >> CAD $ 195.00 EACH <<, 3-Pole, 3A Continuous, 500V AC / ...more

3 Amps, Westinghouse, MCP0322S, VisABreaker Motor Circuit Protector, 3-Pole, 600 VAC, Adjustable 7A-22A, w/ Plug-in Stabs

Transcanada Transformers & Switchgear | Pickering, ON
Seller: Transcanada Transformers & Switchgear
Location: Pickering, ON
Mfr: Westinghouse
Model: MCP0322S
Westinghouse VisABreaker MCP0322S Motor Circuit Protector with Plug-In Stabs, 3A – 3-Pole – 600V AC – Magnetic Trip Only – Adjustable 7–22A, >> Qty 1 In Stock <<, >> Call for Price – FOB Pickering, Ontario <<, Canadian Westinghouse (Hamilton, Canada) ...more

3 Amps, Westinghouse, MCP0322S, 600 Volts 3p visa breaker type 175d502g22

Boundary Electric Ltd | Grand Forks, BC
Seller: Boundary Electric Ltd
Location: Grand Forks, BC
Mfr: Westinghouse
Model: MCP0322S
Item may not be exactly as shown. Though some items may be in the original manufacturers packaging, they are sold as used and may have signs of use and wear, including but not limited to, minor scratches, scuffs, or blemishes. Item will be tested electronically ok before shipping.

3 Amps, Westinghouse, Motor Circuit Interrupter, 3-Pole, 3A Frame Rating, 600VAC Max., Adjustable Magnetic Trip

Transcanada Transformers & Switchgear | Pickering, ON
Seller: Transcanada Transformers & Switchgear
Location: Pickering, ON
Mfr: Westinghouse
Model: MOTOR CIRCUIT INTERRUPTER
Westinghouse, Motor Circuit Interrupter, MCP0322S, >> QTY 10 In Stock <<, >> CALL for Price <<, ** A Motor Circuit Protector; - Not a Circuit Breaker **, 3-Pole, 3A Frame Rating, 600V AC Max., Adjustable Magnetic Trip Only, * 7A - 22A, Cat. No. MCP0322S, Style No. 175D502G22.

3 Amps, Westinghouse, Series C, Molded Case Circuit Breaker, 3-Pole, 3A, 600V Max., Magnetic Trip Only, Adj. Instantaneous

Transcanada Transformers & Switchgear | Pickering, ON
Seller: Transcanada Transformers & Switchgear
Location: Pickering, ON
Mfr: Westinghouse
Model: SERIES C
Westinghouse, Series C, Molded Case Circuit Breaker, >> 4 In Stock <<, >> CAD $ 245.00 EACH <<, 3-Pole, 3A, 600V AC Max. / 250V DC Max., Magnetic Trip Only, Trip Unit : KT3200T -- 3A, Adjustable Instantaneous Trip, * 9A (Setting A) to 00A (Setting H), Frame Cat. No. HMCP003A0C, Style No. ...more

4 Amp, Airpax #PP11-61F-4.00A-OB-V, 4 Amp Circuit Breaker, LOT of 36

Aucto | San Francisco, CA
Seller: Aucto
Location: El Paso, TX
Mfr: Airpax
Model: 4 AMP CIRCUIT BREAKER
AC 250 V 3.8 A 500 A IN GOOD CONDITION | VOLTAGE: 250 VAC | AMPS: 4 AMP.

4-6.3 Amp, Allen-Bradley #140M-D8E-863, Motor Protection Circuit Breaker, Frame D, 600 Volts AC

Aucto | San Francisco, CA
Seller: Aucto
Location: El Paso, TX
Mfr: Allen Bradley
Model: MOTOR PROTECTION CIRCUIT BREAKER
140M, FRAME D, RATING - 32 AMP, HIGH BREAK, ADJ THERMAL/ FIXED MAG, RANGE - 4-6.3 AMP | VOLTAGE: 600 VAC | AMPS: 4.0-6.3 AMP.

5 Amp, ABB #201U, S, LOT of 10

Aucto | San Francisco, CA
Seller: Aucto
Location: El Paso, TX
Mfr: Abb
Model: S
5 AMP, 1 POLE, 240 VAC, 50/60 HZ, K-CURVE, BRANCH CIRCUIT | ALTERNATIVE PART NUMBER: 2CDS271417R0357 | LOT Q: 10.

5 Amp, ABB #201U-K5, Moulded Case Circuit Breakers, LOT of 9

Aucto | San Francisco, CA
Seller: Aucto
Location: El Paso, TX
Mfr: Abb
Model: CIRCUIT BREAKERS
5 AMP, 1 POLE, 240 VAC, 50/60 HZ, K-CURVE, BRANCH CIRCUIT | ALTERNATIVE PART NUMBER: 2CDS 271 417 R0357 | LOT Q: 9.

5 Amp, Allen-Bradley #1492-GH050, Miniature Circuit Breaker, HD Protector, 1 Pole, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Allen-Bradley
Model: MINIATURE CIRCUIT BREAKER
Amperage (A): 5. Number of Poles: 1. UPC: 10662073249792. Bulletin 1492-GH/GS high density miniature circuit breakers are thermal magnetic type supplementary protectors. These products are a high-density design often used when panel space (width) is a premium. Up to 24 one-pole breakers can be mounted per foot. Low ...more

5 Amp, Moeller #FAZ-B5/2-RT, 132755 Miniature Circuit Breaker, 2-Pole, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Moeller
Model: 132755 MINIATURE CIRCUIT BREAKER
Eaton Moeller series xEffect - FAZ-NA, FAZ-RT MCB. FAZ-RT, 2-pole, tripping characteristic: B, rated current In: 5 AEaton FAZ branch protector,UL 1077 Industrial miniature circuit breaker - supplementary protector,Low levels of inrush current are expected,5 A,15 kAIC,Two-pole,277/480 V,3-5X /n,50-60 Hz,Ring-tongue ...more

5 Amp, Moeller #FAZ-C5/1, 278554 Miniature Circuit Breaker, 1-Pole, C Curve, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Moeller
Model: 278554 MINIATURE CIRCUIT BREAKER
Eaton Moeller series xEffect - FAZ MCB. FAZ, 1-pole, tripping characteristic: C, rated current In: 5 A. Moeller. Eaton Corporation. FAZ-C5/1.

5 Amp, Moeller #FAZ-C5/3-NA, 102243 Miniature Circuit Breaker, 3-Pole, C Curve, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Moeller
Model: 102243 MINIATURE CIRCUIT BREAKER
Eaton Moeller series xEffect - FAZ-NA, FAZ-RT MCB. FAZ-NA, 3-pole, tripping characteristic: C, rated current In: 5 A, Switchgear for export to North America (UL-listed)Eaton FAZ branch protector,UL 489 Industrial miniature circuit breaker - supplementary protector,Medium levels of inrush current are expected,5 A,10 ...more

5 Amp, Westinghouse #HFB3045ML, Circuit Breaker (2 available)

Aucto | San Francisco, CA
Seller: Aucto
Location: El Paso, TX
Mfr: Westinghouse
Model: CIRCUIT BREAKER
600 VAC | VOLTAGE: 600 VAC | AMPS: 5 AMP.

6 Amp, Cutler-Hammer #WMS3D06, WMS Molded Circuit Breaker, 3 Pole, 3 phase, 240/480 Volts AC, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Cutler-Hammer
Model: WMS MOLDED CIRCUIT BREAKER
Cutler-Hammer Eaton Corporation WMS3D06 WMS Series Molded Circuit Breaker, 6A, 3 Pole, 3PH, 240/480VAC. Cutler-Hammer. Eaton Corporation. WMS3D06.

6 Amp, Moeller #FAZ-B6/1-NA, 132680 Miniature Circuit Breaker, 1-Pole, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Moeller
Model: 132680 MINIATURE CIRCUIT BREAKER
Eaton Moeller series xEffect - FAZ-NA, FAZ-RT MCB. Miniature circuit breaker (MCB), 6 A, 1p, characteristic: B ULEaton FAZ branch protector,UL 489 Industrial miniature circuit breaker - supplementary protector,Low levels of inrush current are expected,6 A,10 kAIC, 14 kAIC,Single-pole,277/480 V,3-5X /n,50-60 Hz,Screw ...more

6 Amp, Moeller #FAZ-B6/1-NA-L, 190742 Circuit Breaker, 1-Pole, B Curve, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Moeller
Model: 190742 CIRCUIT BREAKER
FAZ-B6/1-NA-L. Miniature circuit breaker (MCB), 6 A, 1p, characteristic: B, NA, labelling. Moeller. Eaton Corporation. 190742.

6 Amps, Schneider Electric, 20 NiB 33073 trips 6.0A

Lonestar Electrical & Demolition | Magnolia, TX
Seller: Lonestar Electrical & Demolition
Location: Magnolia, TX
Mfr: Schneider Electric
Model: 20 NIB 33073 TRIPS 6.0A
20 NiB 33073 trips 6.0A, Make best offer.

Square D Rjf Powerpact R-frame Mccb Unused Surplus 125 Volts DC Shunt Trip, Micrologic 6.0 Amps Lsig, 1200 Amps Ampacity

National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family POWERPACT Type of Molded Case Breaker RJF Frame Rating (Volts) 600 Frame Rating (Amps) 3000A Frame Rating (KA) 65 Trip or Rating Plug Rating 100% Shipping Width 24 in Shipping Height 24 in Shipping Depth 24 in Shipping Weight 80 lb.

Square D Rjf Powerpact R-frame Mccb Unused Surplus 125 Volts DC Shunt Trip, Micrologic 6.0 Amps Lsig, 1200 Amps Ampacity

National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family POWERPACT Type of Molded Case Breaker RJF Frame Rating (Volts) 600 Frame Rating (Amps) 3000A Frame Rating (KA) 65 Trip or Rating Plug Rating 100% Shipping Width 24 in Shipping Height 24 in Shipping Depth 24 in Shipping Weight 80 lb.

Square D Rka Powerpact Mccb Micrologic 6.0 Amps Lsig, 1200 Amps Rp,1200a Frame

National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Model: 1200A FRAME
Manufacturer Square D Product Family POWERPACT Type of Molded Case Breaker RKA Frame Rating (Amps) 1200A Frame Rating (KA) 65 Trip or Rating Plug Rating 1200A Shipping Width 14 in Shipping Height 14 in Shipping Depth 24 in Shipping Weight 30 lb.