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Walker Industrial: Home > Manufacturers > E - J > Eaton Cutler-Hammer > Circuit Protection > Molded Case Circuit Breakers > Series C > M-Frame (300-800 Amperes) > Types MDL and HMDL with Interchangeable Trip Units, Three-Pole

Eaton Cutler Hammer Circuit Protection Series C M-Frame (300-800 Amperes)
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HMDL3300 - Eaton Cutler-Hammer Westinghouse HMDL3300 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL 3 POLE 300 AMP CIRCUIT BREAKER WITH TERMINALS

HMDL3300 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL  3 POLE 300 AMP CIRCUIT BREAKER WITH TERMINALS

Usually Ships in 3 to 5 Days
Price: $16,009.64
HMDL3350 - Eaton Cutler-Hammer Westinghouse HMDL3350 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL 3 POLE 350 AMP CIRCUIT BREAKER WITH TERMINALS

HMDL3350 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL  3 POLE 350 AMP CIRCUIT BREAKER WITH TERMINALS

Usually Ships in 3 to 5 Days
Price: $16,009.64
HMDL3400 - Eaton Cutler-Hammer Westinghouse HMDL3400 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL 3 POLE 400 AMP CIRCUIT BREAKER WITH TERMINALS

HMDL3400 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL  3 POLE 400 AMP CIRCUIT BREAKER WITH TERMINALS

Usually Ships in 3 to 5 Days
Price: $16,009.64
HMDL3400V - Eaton Cutler-Hammer Westinghouse HMDL3400V - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3400 CALIBRATED FOR 50C AMBIENT

HMDL3400V - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3400 CALIBRATED FOR 50C AMBIENT

Usually Ships in 3 to 5 Days
Price: $15,984.43
HMDL3400VW - Eaton Cutler-Hammer Westinghouse HMDL3400VW - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3400W CALIBRATED FOR 50C AMBIENT

HMDL3400VW - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3400W CALIBRATED FOR 50C AMBIENT

Usually Ships in 3 to 5 Days
Price: $14,867.96
HMDL3450 - Eaton Cutler-Hammer Westinghouse HMDL3450 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL 3 POLE 450 AMP CIRCUIT BREAKER WITH TERMINALS

HMDL3450 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL  3 POLE 450 AMP CIRCUIT BREAKER WITH TERMINALS

Usually Ships in 1 to 2 Weeks
Price: $16,009.64
HMDL3500 - Eaton Cutler-Hammer Westinghouse HMDL3500 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL 3 POLE 500 AMP CIRCUIT BREAKER WITH TERMINALS

HMDL3500 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL  3 POLE 500 AMP CIRCUIT BREAKER WITH TERMINALS

Usually Ships in 3 to 5 Days
Price: $16,009.64
HMDL3600 - Eaton Cutler-Hammer Westinghouse HMDL3600 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL 3 POLE 600 AMP CIRCUIT BREAKER WITH TERMINALS

HMDL3600 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL  3 POLE 600 AMP CIRCUIT BREAKER WITH TERMINALS

Usually Ships in 3 to 5 Days
Price: $16,009.64
HMDL3600V - Eaton Cutler-Hammer Westinghouse HMDL3600V - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3600 CALIBRATED FOR 50C AMBIENT

HMDL3600V - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3600 CALIBRATED FOR 50C AMBIENT

Usually Ships in 1 to 2 Weeks
Price: $15,984.43
HMDL3600VW - Eaton Cutler-Hammer Westinghouse HMDL3600VW - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3600W CALIBRATED FOR 50C AMBIENT

HMDL3600VW - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3600W CALIBRATED FOR 50C AMBIENT

Usually Ships in 1 to 2 Weeks
Price: $15,313.99
HMDL3700 - Eaton Cutler-Hammer Westinghouse HMDL3700 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL 3 POLE 700 AMP CIRCUIT BREAKER WITH TERMINALS

HMDL3700 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL  3 POLE 700 AMP CIRCUIT BREAKER WITH TERMINALS

Normally Stocked
Price: $16,009.64
HMDL3700V - Eaton Cutler-Hammer Westinghouse HMDL3700V - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3700 CALIBRATED FOR 50C AMBIENT

HMDL3700V - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3700 CALIBRATED FOR 50C AMBIENT

Usually Ships in 1 to 2 Weeks
Price: $15,984.43
HMDL3700VW - Eaton Cutler-Hammer Westinghouse HMDL3700VW - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3700W CALIBRATED FOR 50C AMBIENT

HMDL3700VW - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3700W CALIBRATED FOR 50C AMBIENT

Usually Ships in 3 to 5 Days
Price: $15,313.99
HMDL3700W - Eaton Cutler-Hammer Westinghouse HMDL3700W - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL, 3 POLE, 700A TRIP, 600V CLASS, 65KA AT 480V,

HMDL3700W - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL, 3 POLE, 700A TRIP, 600V CLASS, 65KA AT 480V,

Usually Ships in 1 to 2 Weeks
Price: $15,313.99
HMDL3800 - Eaton Cutler-Hammer Westinghouse HMDL3800 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL 3 POLE 800 AMP CIRCUIT BREAKER WITH TERMINALS

HMDL3800 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDL  3 POLE 800 AMP CIRCUIT BREAKER WITH TERMINALS

Normally Stocked
Price: $16,186.06
HMDL3800A08 - Eaton Cutler-Hammer Westinghouse HMDL3800A08 - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL 3800 w/ aux sw

HMDL3800A08 - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL 3800 w/ aux sw

Usually Ships in 1 to 2 Weeks
Price: $16,659.90
HMDL3800A09N05 - Eaton Cutler-Hammer Westinghouse HMDL3800A09N05 - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3800 w/ aux sw & LEST

HMDL3800A09N05 - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3800 w/ aux sw & LEST

Usually Ships in 1 to 2 Weeks
Price: $17,582.37
HMDL3800F - Eaton Cutler-Hammer Westinghouse HMDL3800F - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL 3-Pole 800A Frame Only

HMDL3800F - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL 3-Pole 800A Frame Only

Normally Stocked
Price: $10,767.19
HMDL3800FK01P05S11Y0 - Eaton Cutler-Hammer Westinghouse HMDL3800FK01P05S11Y0 - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3800 W/ Electronic Trip, S/T, Rating Plug And Line Side

HMDL3800FK01P05S11Y0 - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3800 W/ Electronic Trip, S/T, Rating Plug And Line Side

Usually Ships in 1 to 2 Weeks
Price: $17,682.00
HMDL3800FW01 - Eaton Cutler-Hammer Westinghouse HMDL3800FW01 - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL 3 Pole 800 Amp Frame For Walking Beam

HMDL3800FW01 - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL 3 Pole 800 Amp Frame For Walking Beam

Usually Ships in 3 to 5 Days
Price: $10,767.19
HMDL3800V - Eaton Cutler-Hammer Westinghouse HMDL3800V - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3800 CALIBRATED FOR 50C AMBIENT_With Terminals

HMDL3800V - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3800 CALIBRATED FOR 50C AMBIENT_With Terminals

Usually Ships in 3 to 5 Days
Price: $15,984.43
HMDL3800VW - Eaton Cutler-Hammer Westinghouse HMDL3800VW - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3800W CALIBRATED FOR 50C AMBIENT

HMDL3800VW - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3800W CALIBRATED FOR 50C AMBIENT

Usually Ships in 1 to 2 Weeks
Price: $15,495.47
HMDL3800WA0901 - Eaton Cutler-Hammer Westinghouse HMDL3800WA0901 - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3800W without lugs , A/S 2a2b Left Hand Pigtail Lds.

HMDL3800WA0901 - Eaton Cutler-Hammer Westinghouse M-FRAME HMDL3800W without lugs , A/S 2a2b  Left Hand Pigtail Lds.

Usually Ships in 1 to 2 Weeks
Price: $18,318.33
HMDLB3400 - Eaton Cutler-Hammer Westinghouse HMDLB3400 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDLB SEALED 3 POLE 400 AMP CIRCUIT BREAKER WITH TERMIN

HMDLB3400 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDLB SEALED 3 POLE 400 AMP CIRCUIT BREAKER WITH TERMIN

Usually Ships in 3 to 5 Days
Price: $16,009.64
HMDLB3600 - Eaton Cutler-Hammer Westinghouse HMDLB3600 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDLB SEALED 3 POLE 600 AMP CIRCUIT BREAKER WITH TERMIN

HMDLB3600 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDLB SEALED 3 POLE 600 AMP CIRCUIT BREAKER WITH TERMIN

Usually Ships in 1 to 2 Weeks
Price: $16,009.64
HMDLB3700W - Eaton Cutler-Hammer Westinghouse HMDLB3700W - Eaton Cutler-Hammer Westinghouse M-FRAME Type HMDL Breaker 3-Pole 700A W/O Terminals

HMDLB3700W - Eaton Cutler-Hammer Westinghouse M-FRAME Type HMDL Breaker 3-Pole 700A W/O Terminals

Usually Ships in 1 to 2 Weeks
Price: $15,495.47
HMDLB3800 - Eaton Cutler-Hammer Westinghouse HMDLB3800 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDLB SEALED 3 POLE 800 AMP CIRCUIT BREAKER WITH TERMIN

HMDLB3800 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE HMDLB SEALED 3 POLE 800 AMP CIRCUIT BREAKER WITH TERMIN

Usually Ships in 3 to 5 Days
Price: $16,186.06
MDL3300 - Eaton Cutler-Hammer Westinghouse MDL3300 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE MDL 3 POLE 300 AMP CIRCUIT BREAKER WITH TERMINALS

MDL3300 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE MDL  3 POLE 300 AMP CIRCUIT BREAKER WITH TERMINALS

Usually Ships in 3 to 5 Days
Price: $12,365.13
MDL3300WA0105S2905 - Eaton Cutler-Hammer Westinghouse MDL3300WA0105S2905 - Eaton Cutler-Hammer Westinghouse M-FRAME MDL3300W w/ Aux. Sw. & Shunt Trip

MDL3300WA0105S2905 - Eaton Cutler-Hammer Westinghouse M-FRAME MDL3300W w/ Aux. Sw. & Shunt Trip

Usually Ships in 1 to 2 Weeks
Price: $13,111.17
MDL3350 - Eaton Cutler-Hammer Westinghouse MDL3350 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE MDL 3 POLE 350 AMP CIRCUIT BREAKER WITH TERMINALS

MDL3350 - Eaton Cutler-Hammer Westinghouse M-FRAME TYPE MDL  3 POLE 350 AMP CIRCUIT BREAKER WITH TERMINALS

Usually Ships in 3 to 5 Days
Price: $12,365.13
   
 
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M-Frame (300-800 Amperes) Features:

  • All Eaton M-Frame circuit breakers are HACR rated
  • MDL-Frame circuit breakers are available as individual components (frame, trip unit, terminals), or factory assembled complete breakers
  • MDLB, HMDLB-Frame circuit breakers with noninterchangeable trip units are suitable for reverse feed use

Eaton's Series C Molded Case Circuit Breakers are used in panelboard, switchboard, motor control center, and busway applications for dependable branch circuit protection. They have proven user acceptance for over 20 years and meet or exceed North American standards. Available for systems up to 600 VAC or 250 VDC with current ratings up to 2500A.