ET5914 - 150Amp Circuit Breaker

ET5914 - 150Amp Circuit Breaker

When you need to replace a compatible circuit breaker without changing the original system design, the ET5914 molded case circuit breaker offers the ratings and configuration needed to keep your equipment operating as intended. This 150 Amp, 3-pole Type J breaker is designed for 480VAC applications and features a 14kA interrupting rating. It's a practical choice for maintaining existing commercial and industrial electrical systems where matching the original specifications matters.

Whether it's part of routine maintenance or replacing a failed breaker, selecting the correct amperage, voltage, interrupting rating, and pole configuration helps ensure the breaker fits and functions as intended. Before installation, always verify compatibility with your existing equipment.

Key Features and Benefits

• 150 Amp current rating
• Three-pole configuration for three-phase electrical systems
• Type J molded case circuit breaker
• Rated for use on systems up to 480VAC
• 14kA interrupting capacity at 480VAC
• Designed for operation in ambient temperatures up to 40°C
• Durable molded case construction built to last
• Helps protect electrical circuits from overloads and short circuits
  

Technical Specifications

• Part Number: ET5914
  
• Product Type: Molded Case Circuit Breaker
  
• Type: J
  
• Amperage: 150 Amps
  
• Poles: 3
  
• Voltage Rating: 480VAC
  
• Interrupting Capacity: 14kA @ 480VAC
  
• Ambient Temperature Rating: 40°C
  
• Dimensions:
  • Width: 4.50 in.
  • Height: 10.00 in.
  • Depth: 4.00 in.
• Approximate Shipping Weight: 21 lbs.
  

Material Compliance and Certifications

• The ET5914 is intended for installations where its electrical ratings and physical configuration match the original equipment requirements.
• Verify the 150 Amp rating, Type J frame, three-pole configuration, voltage rating, and interrupting capacity before installation.
  

Where It Works Best

The ET5914 is commonly used in commercial buildings, manufacturing facilities, industrial plants, switchboards, panelboards, and other 480VAC electrical distribution systems that require a compatible 150 Amp, 3-pole Type J molded case circuit breaker. It's well suited for maintenance and repair projects where preserving the original equipment design and electrical ratings is the priority.