Skip to content

Free Economy Shipping Available! websales@breakerhunters.com 877-963-4543

Country/region

Search

Canada CAD $
United States USD $

Circuit Breakers
- Eaton / Cutler-Hammer
  
  F Frame
  G Frame
  J Frame
  K Frame
  L Frame
  M Frame
  N Frame
  R Frame
- Eaton / Cutler-Hammer Mining
  
  F Frame
  J Frame
  K Frame
  L Frame
  M Frame
  N Frame
  R Frame
- Eaton / Cutler-Hammer HMCP
  
  E Frame
  F Frame
  J Frame
  K Frame
  L Frame
  N Frame
- General Electric GE
  
  E Frame
  F Frame
  J Frame
  K Frame
  Spectra Series
- Siemens
  
  ED Frame
  FD Frame
  JD Frame
  LD Frame
  MD Frame
  ND Frame
- Square D
  
  F Frame
  K Frame
  L Frame
  M Frame
  N Frame
  P Frame
  MAG-GARD
  PowerPact
- Westinghouse
  
  FB Frame
  J Frame
  K Frame
  DA Frame
  LA Frame
  LB Frame
  LC Frame
  MA Frame
  MC Frame
  NB Frame
  NC Frame
  PB Frame
  PC Frame
  Classic Mining
Motor Controls
- Allen-Bradley
  
  500
  509
- Eaton / Cutler-Hammer
  
  A200 Series
  Freedom Series
  V200 Series
  W200
  W201
- Square D
  
  8502
  8536
Parts & Accessories
- For Circuit Breakers
  
  Eaton / Cutler-Hammer
  Eaton / Cutler Hammer Mining
  General Electric GE
- For Motor Controls
  
  Allen-Bradley
  Eaton / Cutler-Hammer
  General Electric GE
  Siemens / Furnas
  Square D

Country/region

Search

Canada CAD $
United States USD $

Circuit Breakers
Motor Controls
Parts & Accessories
- For Circuit Breakers
  Eaton / Cutler-Hammer
  Eaton / Cutler Hammer Mining
  General Electric GE
- For Motor Controls
  Allen-Bradley
  Eaton / Cutler-Hammer
  General Electric GE
  Siemens / Furnas
  Square D

Get a Quote
Track Your Order

Search

Login Create An Account Create A Business Account

Search

Item added to your cart

View cart

Collection: Eaton / Cutler-Hammer Mining: K Frame Circuit Breakers

Sort by:

284 products

Filter:

Availability (0)

Availability

In stock (284 products)
Out of stock (0 products)

Price

The highest price is $5,695.00

$

From

To

Amperage (0)

Amperage

100 (13 products)
125 (13 products)
150 (22 products)
175 (6 products)
200 (13 products)
225 (53 products)
250 (4 products)
300 (7 products)
350 (7 products)
400 (143 products)
400 Amp Max (3 products)

Configuration (0)

Configuration

A01 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Left Pole Mounted, Exiting Left (1 product)
A02 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Left Pole Mounted, Exiting Rear (8 products)
A02 Options Include: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Left Pole Mounted, Exiting Rear (1 product)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Installed, Right Pole Mounted, Exiting Rear (1 product)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Installed, Right Pole Mounted, Exiting Rear], U18 Option Includes: [120VAC UVR Installed, No LED, Left Pole Mounted, Exiting Rear (1 product)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Installed, Right Pole Mounted, Exiting Rear], U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (9 products)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear (9 products)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear], S10 Option Includes: [110-240 VAC or 110-125 VDC Shunt Trip Installed, Left Pole Mounted, Exiting Rear (2 products)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear], T14 Option Includes: [110-127 VDC UVR Installed, Non LED, Left Pole Mounted, Exiting Rear (1 product)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear], U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (9 products)
A07 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Left], S09 Option Includes: [110-240 VAC or 110-125 VDC Shunt Trip Installed, Left Pole Mounted, Exiting Left (1 product)
A13 Option Includes: [2-A(Open) 2-B(Closed) Auxiliary Installed, Right Pole Mounted, Exiting Rear], U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (2 products)
A13 Option Includes: [2-A(Open) 2-B(closed) Auxiliary Installed, Right Pole Mounted, Exiting Rear], U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (1 product)
A13 Option Includes: [2-A(Open) 2-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear (2 products)
A13 Option Includes: [2-A(Open) 2-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear], U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (1 product)
B06 Option Includes: [AIL3RPK Installed], T18 Options Includes: [UVH3LP28K Installed]. (1 product)
S10 Option Includes: [110-240 VAC or 110-125 VDC Shunt Trip Installed, Left Pole Mounted, Exiting Rear (22 products)
S30 Option Includes: [110-240 VAC or 110-125 VDC Shunt Trip Installed, Right Pole Mounted, Exiting Rear (1 product)
S50 Option Includes: [48-60 VAC or VDC Shunt Trip Installed, Left Pole Mounted, Exiting Rear (1 product)
S54 Option Includes: [48-60 VAC or VDC Shunt Trip Installed, Right Pole Mounted, Exiting Rear (1 product)
T14 Option Includes: [110-127 VDC UVR Installed, Non LED, Left Pole Mounted, Exiting Rear (2 products)
U17 Option Includes: [110-127 VAC UVR Installed, Non LED, Left Pole Mounted, Exiting Rear (3 products)
U18 (Without LED) and U66 (With LED) Options Includes: [110-127VAC UVR Installed, Right Pole Mounted, Exiting Rear (155 products)
U18 Option Includes: [110-127 VAC UVR Installed, No LED, Left Pole Mounted, Exiting Rear (1 product)
U49 Option Includes: [110-127 VAC UVR Installed, Non LED, Right Pole Mounted, Exiting Right (1 product)
U65 Option Includes: [120 VAC UVR Installed, With LED, Right Pole Mounted, Exiting Right (3 products)
U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (10 products)
U66 Option Includes: [120 VAC UVR Installed, With LED, Right Pole Mounted, Exiting Rear (6 products)

Connection (0)

Connection

Bolt On (284 products)

Frame Type (0)

Frame Type

K (284 products)

Interrupting Capacity Rating (0)

Interrupting Capacity Rating

35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, 14 Kiloampere @ 1000VAC, 10 Kiloampere @ 250VDC (50 products)
65 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, 10 Kiloampere @ 250VDC (145 products)
65 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, 14 Kiloampere @ 1000VAC, 10 Kiloampere @ 250VDC (88 products)

Max Voltage (0)

Max Voltage

600 (146 products)
1000 (138 products)

Poles (0)

Poles

2 (5 products)
3 (279 products)

Standard Lug Type (0)

Standard Lug Type

Without Lugs (3 products)
Without Terminals (278 products)

Filter and sort Filter

Filter and sort

Filter

284 products

Availability

In stock (284 products)
Out of stock (0 products)

Clear

Price

The highest price is $5,695.00

$

From

$

To

Clear

Amperage

100 (13 products)
125 (13 products)
150 (22 products)
175 (6 products)
200 (13 products)
225 (53 products)
250 (4 products)
300 (7 products)
350 (7 products)
400 (143 products)
400 Amp Max (3 products)

Clear

Configuration

A01 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Left Pole Mounted, Exiting Left (1 products)
A02 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Left Pole Mounted, Exiting Rear (8 products)
A02 Options Include: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Left Pole Mounted, Exiting Rear (1 products)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Installed, Right Pole Mounted, Exiting Rear (1 products)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Installed, Right Pole Mounted, Exiting Rear], U18 Option Includes: [120VAC UVR Installed, No LED, Left Pole Mounted, Exiting Rear (1 products)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Installed, Right Pole Mounted, Exiting Rear], U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (9 products)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear (9 products)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear], S10 Option Includes: [110-240 VAC or 110-125 VDC Shunt Trip Installed, Left Pole Mounted, Exiting Rear (2 products)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear], T14 Option Includes: [110-127 VDC UVR Installed, Non LED, Left Pole Mounted, Exiting Rear (1 products)
A06 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear], U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (9 products)
A07 Option Includes: [1-A(Open) 1-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Left], S09 Option Includes: [110-240 VAC or 110-125 VDC Shunt Trip Installed, Left Pole Mounted, Exiting Left (1 products)
A13 Option Includes: [2-A(Open) 2-B(Closed) Auxiliary Installed, Right Pole Mounted, Exiting Rear], U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (2 products)
A13 Option Includes: [2-A(Open) 2-B(closed) Auxiliary Installed, Right Pole Mounted, Exiting Rear], U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (1 products)
A13 Option Includes: [2-A(Open) 2-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear (2 products)
A13 Option Includes: [2-A(Open) 2-B(Closed) Auxiliary Switch Installed, Right Pole Mounted, Exiting Rear], U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (1 products)
B06 Option Includes: [AIL3RPK Installed], T18 Options Includes: [UVH3LP28K Installed]. (1 products)
S10 Option Includes: [110-240 VAC or 110-125 VDC Shunt Trip Installed, Left Pole Mounted, Exiting Rear (22 products)
S30 Option Includes: [110-240 VAC or 110-125 VDC Shunt Trip Installed, Right Pole Mounted, Exiting Rear (1 products)
S50 Option Includes: [48-60 VAC or VDC Shunt Trip Installed, Left Pole Mounted, Exiting Rear (1 products)
S54 Option Includes: [48-60 VAC or VDC Shunt Trip Installed, Right Pole Mounted, Exiting Rear (1 products)
T14 Option Includes: [110-127 VDC UVR Installed, Non LED, Left Pole Mounted, Exiting Rear (2 products)
U17 Option Includes: [110-127 VAC UVR Installed, Non LED, Left Pole Mounted, Exiting Rear (3 products)
U18 (Without LED) and U66 (With LED) Options Includes: [110-127VAC UVR Installed, Right Pole Mounted, Exiting Rear (155 products)
U18 Option Includes: [110-127 VAC UVR Installed, No LED, Left Pole Mounted, Exiting Rear (1 products)
U49 Option Includes: [110-127 VAC UVR Installed, Non LED, Right Pole Mounted, Exiting Right (1 products)
U65 Option Includes: [120 VAC UVR Installed, With LED, Right Pole Mounted, Exiting Right (3 products)
U66 Option Includes: [120 VAC UVR Installed, With LED, Left Pole Mounted, Exiting Rear (10 products)
U66 Option Includes: [120 VAC UVR Installed, With LED, Right Pole Mounted, Exiting Rear (6 products)

Clear

Connection

Bolt On (284 products)

Clear

Frame Type

K (284 products)

Clear

Interrupting Capacity Rating

35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, 14 Kiloampere @ 1000VAC, 10 Kiloampere @ 250VDC (50 products)
65 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, 10 Kiloampere @ 250VDC (145 products)
65 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, 14 Kiloampere @ 1000VAC, 10 Kiloampere @ 250VDC (88 products)

Clear

Max Voltage

600 (146 products)
1000 (138 products)

Clear

Poles

2 (5 products)
3 (279 products)

Clear

Standard Lug Type

Without Lugs (3 products)
Without Terminals (278 products)

Clear

Sort by:

Remove all

284 products

E2KM3400MFWU66

E2KM3400MFWU66

Brand Eaton / Cutler Hammer

SKU E2KM3400MFWU66

Certified Reconditioned
$4,250.00 1 in stock
E2KM3400MGW

E2KM3400MGW

Brand Eaton / Cutler Hammer

SKU E2KM3400MGW

Certified Reconditioned
$3,750.00 1 in stock
E2KM3400MGWA06S10

E2KM3400MGWA06S10

Brand Eaton / Cutler Hammer

SKU E2KM3400MGWA06S10

Certified Reconditioned
$4,200.00 1 in stock
E2KM3400MGWA13

E2KM3400MGWA13

Brand Eaton / Cutler Hammer

SKU E2KM3400MGWA13

Certified Reconditioned
$3,900.00 1 in stock
E2KM3400MGWS10

E2KM3400MGWS10

Brand Eaton / Cutler Hammer

SKU E2KM3400MGWS10

Certified Reconditioned
$4,050.00 1 in stock
E2KM3400MGWU18

E2KM3400MGWU18

Brand Eaton / Cutler Hammer

SKU E2KM3400MGWU18

Certified Reconditioned
$4,100.00 1 in stock
E2KM3400MGWU66

E2KM3400MGWU66

Brand Eaton / Cutler Hammer

SKU E2KM3400MGWU66

Certified Reconditioned
$4,250.00 1 in stock
E2KM3400MJW

E2KM3400MJW

Brand Eaton / Cutler Hammer

SKU E2KM3400MJW

Certified Reconditioned
$3,750.00 1 in stock
E2KM3400MJWA02D09

E2KM3400MJWA02D09

Brand Eaton / Cutler Hammer

SKU E2KM3400MJWA02D09

Certified Reconditioned
$3,900.00 1 in stock
E2KM3400MJWA06

E2KM3400MJWA06

Brand Eaton / Cutler Hammer

SKU E2KM3400MJWA06

Certified Reconditioned
$3,900.00 1 in stock
E2KM3400MJWS10

E2KM3400MJWS10

Brand Eaton / Cutler Hammer

SKU E2KM3400MJWS10

Certified Reconditioned
$4,050.00 1 in stock
E2KM3400MJWU18

E2KM3400MJWU18

Brand Eaton / Cutler Hammer

SKU E2KM3400MJWU18

Certified Reconditioned
$4,100.00 1 in stock
E2KM3400MJWU66

E2KM3400MJWU66

Brand Eaton / Cutler Hammer

SKU E2KM3400MJWU66

Certified Reconditioned
$4,250.00 2 in stock
E2KM3400MKW

E2KM3400MKW

Brand Eaton / Cutler Hammer

SKU E2KM3400MKW

Certified Reconditioned
$3,750.00 1 in stock
E2KM3400MKWA06

E2KM3400MKWA06

Brand Eaton / Cutler Hammer

SKU E2KM3400MKWA06

Certified Reconditioned
$3,900.00 1 in stock
E2KM3400MKWS10

E2KM3400MKWS10

Brand Eaton / Cutler Hammer

SKU E2KM3400MKWS10

Certified Reconditioned
$4,050.00 1 in stock
E2KM3400MKWU18

E2KM3400MKWU18

Brand Eaton / Cutler Hammer

SKU E2KM3400MKWU18

Certified Reconditioned
$4,100.00 1 in stock
E2KM3400MKWU66

E2KM3400MKWU66

Brand Eaton / Cutler Hammer

SKU E2KM3400MKWU66

Certified Reconditioned
$4,250.00 1 in stock
E2KM3400MLW

E2KM3400MLW

Brand Eaton / Cutler Hammer

SKU E2KM3400MLW

Certified Reconditioned
$3,750.00 1 in stock
E2KM3400MLWA02

E2KM3400MLWA02

Brand Eaton / Cutler Hammer

SKU E2KM3400MLWA02

Certified Reconditioned
$3,900.00 1 in stock

1
…
11
12
13
14
15

About Us

About Us
Facebook
LinkedIn
Twitter

Customer Center

FAQ
Terms & Conditions
Privacy Policy
Return Policy

Info

Warranty Program
Reconditioning
Repair Services
Exchange Credit Program

Contact Us

Contact Us
Sell to Us
Customer Reviews

Breaker Hunters, Inc.
520 Claypool Hill Mall Rd
Cedar Bluff, VA 24609
websales@breakerhunters.com
877-963-4543

Country/region

Search

Canada CAD $
United States USD $

Payment methods

© 2026, Breaker Hunters, Inc.

Breaker Hunters, Inc.

Need this item?

Contact us. Many products are in stock or available by custom order, and our team can help confirm availability, lead times, and options.

Phone 877-963-4543 Email websales@breakerhunters.com

Choosing a selection results in a full page refresh.
Opens in a new window.