Eaton CHB290 CH Thermal Magnetic Circuit Breaker – 90A, 2-Pole, 120/240V

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SKU: CHB290 GTIN/UPC: 782113112565
Regular price $488.60
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The Eaton CHB290 CH thermal magnetic circuit breaker provides reliable overcurrent protection for residential and light commercial electrical distribution systems. Designed for use in Eaton CH loadcenters, it delivers dependable protection against overloads and short circuits. Its thermal magnetic mechanism ensures accurate tripping performance under fault conditions, supporting safe and stable electrical operation.

Electrical Ratings

  • Current Rating: 90A
  • Voltage Rating: 120/240V AC
  • Number of Poles: Two-pole
  • Interrupt Rating: 10 kAIC
  • Circuit Breaker Type: CHB
  • Trip Mechanism: Thermal magnetic

Key Specifications

  • Manufacturer: Eaton
  • Catalog Number: CHB290
  • UPC: 782113112565
  • Product Type: Thermal magnetic circuit breaker
  • Used With: Eaton CH loadcenters
  • Standards: UL 489 certified
  • Wire Size: #4–1/0 AWG
  • Application: Branch circuit protection
  • Warranty: Limited lifetime (as specified)
  • Certification Note: Contact manufacturer for additional approvals

Physical Details

  • Product Length/Depth: 5.6 in
  • Product Height: 1.4 in
  • Product Width: 3.6 in
  • Product Weight: 0.5 lb

Product Data

  • Application: Residential and light commercial circuit protection
  • Compatibility: Eaton CH loadcenter systems
  • Installation Use: Plug-in breaker for CH panels
  • Function: Provides thermal magnetic protection against overloads and short circuits
  • Safety Role: Ensures reliable interruption of fault currents for electrical system protection



  • Type Thermal Magnetic
  • Vendor Eaton Cutler-Hammer
  • Brand Eaton

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You may return items within 30 days of delivery for a refund.

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My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.