TEYH1030B - 30 Amp Circuit Breaker

TEYH1030B - 30 Amp Circuit Breaker

The TEYH1030B is a 30 amp, single-pole bolt-on circuit breaker built for use in compatible 480Y/277V electrical distribution systems. It uses a thermal magnetic trip mechanism to help protect branch circuits from overloads and short circuits, making it a dependable choice for commercial and industrial applications. A bolt-on mounting design creates a secure connection to the panelboard, helping reduce movement over time compared to plug-in styles. This breaker also features a non-interchangeable trip, so the factory-calibrated trip setting remains fixed. With an interrupting capacity of 35kA at 277VAC and 65kA at 130VAC, the TEYH1030B is suitable for installations where higher fault current ratings are required. Whether you're replacing a failed breaker during maintenance or keeping spare inventory on hand, the TEYH1030B offers the electrical protection needed to help keep compatible power distribution systems operating safely and reliably.

Key Features and Benefits

• 30 Amp Current Rating: 30 amp current rating.
• Single-Pole Design: Single-pole design.
• Bolt-On Installation: Bolt-on installation for a secure panelboard connection.
• Thermal Magnetic Protection: Thermal magnetic protection against overloads and short circuits.
• Non-Interchangeable Trip: Non-interchangeable trip helps maintain the original trip calibration.
• 480Y/277V Class Rating: Rated for 480Y/277V Class systems.
• High Interrupting Capacity: Interrupting capacity of 35kA at 277VAC and 65kA at 130VAC.
• Compact Design: Compact design fits compatible TEYH applications.

Technical Specifications

• Part Number: TEYH1030B
  
• Type: TEYH
  
• Poles: 1
  
• Amperage: 30 Amps
  
• Voltage Class: 480Y/277V
  
• Interrupting Rating: 35kA @ 277VAC; 65kA @ 130VAC
  
• Trip Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Mounting Style: Bolt-On
  
• Dimensions:
  • Height: 5.25 in.
  • Width: 1.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Performance Requirements: The TEYH1030B is manufactured for use in compatible electrical distribution equipment and is intended to meet applicable industry performance requirements for molded case circuit breakers.
• Installation Requirements: Always verify compatibility with your panelboard and follow all applicable electrical codes. Installation should be performed by a qualified electrician.
  

Where It Works Best

• This breaker is commonly found in commercial buildings, office spaces, schools, healthcare facilities, industrial plants, and other 480Y/277V electrical systems. It's a practical option for protecting individual branch circuits that require a 30 amp, single-pole bolt-on breaker with a higher interrupting rating.