CH2045 - 45Amp Circuit Breaker

CH2045 - 45Amp Circuit Breaker

When reliable circuit protection matters, the CH2045 45 Amp 2-Pole Type CH Circuit Breaker delivers the performance needed to help keep electrical systems operating safely and efficiently. Designed for use in compatible Type CH panelboards and distribution equipment, this bolt-on thermal magnetic circuit breaker provides dependable protection against overloads and short circuits while offering the secure installation that many commercial and industrial applications require.

Whether you're replacing an existing breaker during routine maintenance or upgrading electrical equipment to meet system requirements, the CH2045 combines a 45 Amp rating, 2-pole configuration, and high interrupting capacity in a compact, space-conscious design. Its thermal magnetic trip mechanism responds to both prolonged overload conditions and sudden fault currents, helping protect valuable equipment and minimize unexpected downtime. With interrupting ratings of 65kA at 240VAC and 14kA at 480VAC, this breaker is built for demanding electrical environments where dependable performance is essential.

The CH2045 is also HACR rated, making it suitable for compatible heating, ventilation, air conditioning, and refrigeration applications. Designed to operate in 40°C ambient temperatures and on 50/60Hz systems, it provides the flexibility needed for a wide range of commercial and industrial electrical installations.

Key Features and Benefits

• 45 Amp current rating for reliable branch circuit protection
• 2-pole design for multi-phase electrical applications
• Bolt-on mounting helps ensure a secure, stable connection
• Thermal magnetic trip mechanism provides protection against overloads and short circuits
• High interrupting capacity rated at 65kA @ 240VAC and 14kA @ 480VAC
• HACR rated for compatible HVAC and refrigeration equipment
• Non-interchangeable trip unit helps maintain specified protection characteristics
• Designed for operation in 40°C ambient environments
• Compatible with Type CH electrical systems and equipment
• Compact footprint helps maximize panel space
  

Technical Specifications

• Part Number: CH2045
  
• Type: CH
  
• Poles: 2
  
• Amperage: 45 Amps
  
• Mounting Style: Bolt-On
  
• Protection Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• A.I.C. Rating: 65kA @ 240VAC; 14kA @ 480VAC
  
• Frequency: 50/60Hz
  
• Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Width: 2.0 in.
• Height: 4.0 in.
• Depth: 2.63 in.
• Approximate Dimensions: 2.0"W × 4.0"H × 2.63"D
  
• Approximate Ship Weight: 2.75 lbs.
  

Material Compliance and Certifications

• The CH2045 is HACR rated for use in compatible heating, ventilation, air conditioning, and refrigeration applications. As with all electrical equipment, installation should be performed in accordance with applicable electrical codes, local regulations, and manufacturer recommendations. Always verify compatibility with the intended panelboard or distribution equipment before installation.
  

Where It Works Best

The CH2045 is commonly found in a variety of electrical distribution and power protection applications, including:

• Commercial office buildings
• Industrial facilities and manufacturing plants
• HVAC and refrigeration systems
• Retail and institutional properties
• Electrical distribution panels
• Facility maintenance and repair projects
• Equipment upgrades and replacement programs
• Branch circuits requiring 45 Amp, 2-pole protection
• Compatible Type CH panelboards and switchboard applications

For professionals responsible for keeping electrical systems running safely, the CH2045 provides the combination of dependable overcurrent protection, high fault-current interruption capability, and secure bolt-on installation needed for demanding commercial and industrial environments.