CH3090 - 90Amp Circuit Breaker

CH3090 - 90Amp Circuit Breaker

The CH3090 is a 90 Amp, 3-pole CH bolt-on circuit breaker used in compatible CH panelboards and switchgear. It’s the kind of breaker you’ll usually see in three-phase systems where a larger load needs its own dedicated protection. When you're replacing one, it’s usually a straightforward match—CH type, 3 poles, 90 amps, bolt-on connection—so it fits the existing setup without any changes. This breaker is rated for 240VAC and 480VAC systems, with a 14kA interrupting rating at 480VAC and 65kA at 240VAC. It uses a thermal magnetic trip unit with a fixed, non-interchangeable design, and is rated for 50/60Hz operation in 40°C environments. It is also HACR rated, so it can be used in HVAC applications where that listing is required. The bolt-on connection gives it a secure, direct mount inside compatible equipment. Once installed in a CH-compatible panelboard or switchgear, it handles standard protection for three-phase branch circuits carrying heavier electrical loads.

Key Features and Benefits

• 90 Amp 3-pole breaker for three-phase circuits
• CH Type bolt-on design
• Thermal magnetic trip unit
• Fixed trip design (non-interchangeable)
• Rated for 240VAC / 480VAC systems
• 14kA interrupting rating at 480VAC
• 65kA interrupting rating at 240VAC
• HACR rated for HVAC applications
• 50/60Hz operation
• Rated for 40°C environments
• Used in CH-compatible panelboards and switchgear
• Common replacement for maintenance and repair work

Technical Specifications

• Part Number: CH3090
  
• Type: CH
  
• Poles: 3
  
• Amperage Rating: 90 Amps
  
• Voltage Rating: 240VAC / 480VAC
  
• A.I.C. Rating: 14kA @ 480VAC / 65kA @ 240VAC
  
• Mounting Style: Bolt-On
  
• Trip Type: Thermal Magnetic
  
• Frequency: 50/60Hz
  
• Temperature Rating: 40°C
  
• Dimensions (Approx.): 3.0"W x 4.0"L x 2.63"D
  
• Height: 4.0 in.
  
• Width: 3.0 in.
  
• Depth: 2.63 in.
  
• Approximate Ship Weight: 3.75 lbs

Material Compliance and Certifications

• This breaker is intended for use in compatible electrical equipment. Always make sure it matches the panel it’s going into before installation. Installation should follow local electrical codes and be handled by a qualified electrician.

Where It Works Best

• Commercial electrical panels
  
• Industrial distribution systems
  
• Three-phase HVAC equipment
  
• Heavy-duty motors and pump circuits
  
• Compressors and refrigeration systems
  
• Control circuits
  
• Mechanical room electrical setups
  
• Maintenance and replacement work