TEYH3070B - 70Amp Circuit Breaker

TEYH3070B - 70 Amp Circuit Breaker

When dependable circuit protection matters, the TEYH3070B delivers the performance you need. This 70-amp, 3-pole bolt-on thermal-magnetic circuit breaker is designed to help protect electrical systems from overloads and short circuits, making it a reliable choice for commercial and industrial applications. Whether you're replacing an existing breaker during routine maintenance or completing a new installation, the TEYH3070B offers the dependable protection professionals expect in demanding electrical environments. Designed for 480Y/277V Class systems, this breaker features a non-interchangeable, factory-calibrated trip unit, providing consistent overcurrent protection without the need for field adjustments. Its bolt-on design creates a secure connection to compatible panelboards, helping reduce the chance of loose electrical connections over time. With an interrupting capacity of 35kA at 480VAC and 65kA at 240VAC, the TEYH3070B is built to handle higher fault-current conditions while helping to keep your electrical distribution system operating safely and efficiently. If you're looking for a 70-amp TEYH circuit breaker that combines dependable protection, easy compatibility with bolt-on installations, and trusted thermal-magnetic performance, the TEYH3070B is a practical solution for a wide range of three-phase electrical systems.

Key Features and Benefits

• 70 Amp Current Rating: 70 amp current rating for reliable branch circuit protection.
• Three-Pole Configuration: Three-pole configuration for three-phase electrical systems.
• Bolt-On Design: Bolt-on design provides a secure, stable installation.
• Thermal Magnetic Trip Mechanism: The thermal magnetic trip mechanism protects against both overloads and short circuits.
• Factory-Calibrated Trip Unit: Factory-calibrated, non-interchangeable trip unit for consistent operation.
• High Interrupting Capacity: High interrupting capacity of 35kA at 480VAC and 65kA at 240VAC.
• 480Y/277V Class: Designed for 480Y/277V Class commercial and industrial applications.
• Compact Dimensions: Compact dimensions make installation easier in compatible equipment.

Technical Specifications

• Part Number: TEYH3070B
• Type: TEYH
• Circuit Breaker Style: Bolt-On Thermal Magnetic Circuit Breaker
• Trip Unit: Non-Interchangeable
• Poles: 3
• Current Rating: 70 Amps
• Voltage Class: 480Y/277V
• Interrupting Rating: 35kA @ 480VAC; 65kA @ 240VAC
• Dimensions:
  • Height: 5.25 in.
  • Width: 3.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Standards: The TEYH3070B is manufactured for use in compatible electrical distribution systems and is designed to meet applicable industry standards for thermal magnetic circuit protection.
• Installation Requirements: Always verify compatibility with your electrical equipment and follow all applicable local electrical codes and installation requirements.

Where It Works Best

• The TEYH3070B is well-suited for a variety of commercial and industrial environments where dependable three-phase circuit protection is essential. It's commonly used in office buildings, manufacturing facilities, retail centers, schools, healthcare facilities, and other commercial properties to help protect distribution panels, feeders, HVAC equipment, motor loads, and other electrical circuits operating within its rated specifications.