Eaton Electrical CH42PM300 120/240 VAC 300 Amp 1-Phase 3-Wire 3/4 Inch Main Breaker Load Center
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Usually available within 8 to 12 Days
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Manufacturer Cutler-Hammer / Eaton
Mfg Catalog # CH42PM300
World Electric Part # 697


  • Height: 6 IN
  • Length: 54.38 IN
  • Width: 21 IN
  • Special Features: Standard
  • Type: Main breaker
  • Amperage Rating: 300A
  • Box Size: Pm
  • Bus Material: Copper
  • Cover: Ch7pmf-combination, ch7pms-surface, not included
  • Enclosure: NEMA 1
  • Enclosure Material: Metallic
  • Interrupt Rating: 10 kAIC
  • Main Circuit Breaker: CH
  • Number Of Circuits: 42
  • Number Of Wires: Three-wire
  • Phase: Single-phase
  • Wire Size: (2) #3/0 AWG-250 kcmil
  • Feed Type: Top/bottom
  • Voltage Rating: 120/240V
  • Notes: All main circuit breaker loadcenters are listed for use as service entrance equipment. Ground bar kits priced separately.


UPC 78211321811
Product Description Eaton CH main breaker loadcenters,Standard,Main breaker,300 A,Pm,Copper,Ch7pmf-combination, ch7pms-surface, not included,NEMA 1,Metallic,10 kAIC,CH,42,42,Three-wire,Single-phase,(2) #3/0 AWG-250 kcmil,Top/bottom,120/240 V
GTiN 00782113218113
Length 54.38 in
Width 21 in
Size Pm
Voltage 120/240 Volt
Type Main Breaker
Height 6 in
Wire Size 250 kcmil
Standard UL 50,UL 67
Family Brand Name Eaton
Number of Phases 1 Phase
Amperage 300 Amp
Blade Dimensions 54.3800 IN X 21.0000 IN X 6.0000 IN
Cover Type Ch7pmf-combination, ch7pms-surface, not included
Number of Circuits 42
Enclosure Material Metallic
Number of Spaces 42
Bus Material Copper
Number of Wires 3
Interrupt Rating 10 kA
Enclosure NEMA 1
Feed Type Top/bottom
Applications Elec Assemblies, Panels & EOEM - Electrical Assemblies, Panels and EOEMs

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