TEYF2040B - 40A Circuit Breaker

TEYF2040B 40A Circuit Breaker

Introducing the TEYF2040B circuit breaker, a top-tier solution for electrical safety and reliability, ideal for diverse applications. This 2-pole, 40A circuit breaker is designed to meet the rigorous demands of grounded 480Y/277 Vac systems, ensuring optimal performance and protection. The TEYF2040B stands out with its compact, one-inch wide per pole design, making it a space-efficient choice for any electrical panel. Its bolt-on mounting base provides flexibility, allowing for easy installation as a lug-lug breaker. Engineered with quick-make, quick-break mechanisms, common trip bars, and clear trip indication, this circuit breaker guarantees swift and accurate response to electrical faults, ensuring the safety and reliability of your electrical system.

Key Features and Benefits

• Compact and Efficient Design: The TEYF2040B's one-inch wide per pole structure saves space without compromising performance.
• Enhanced Safety Mechanisms: Features quick-make, quick-break mechanisms, common trip bars, and easy-to-spot trip indication for superior safety and reliability.
• Versatile Installation: Suitable for use in grounded 480Y/277 Vac systems with a bolt-on mounting base, accommodating various applications.
• High Interrupting Capacity: With an impressive interrupting rating of 65 KAIC at 120/240 Vac and 240 Vac, and 18 KAIC at 277 Vac and 480/277 Vac, this breaker offers robust protection.
• Auxiliary and Shunt Trip Options: Available in multiple configurations with auxiliary contact and shunt trip accessories for added functionality.

Technical Specifications

• Poles: 2
• Amperage: 40A
• System Voltage: 120/240 Vac, 240 Vac, 277 Vac, 480/277 Vac, 250 Vac
• Frame Type: TEYF
• Interrupting Ratings: 120/240 Vac: 65 KAIC; 240 Vac: 65 KAIC; 250 Vdc: 10 KAIC; 277 Vac: 18 KAIC; 480/277 Vac: 18 KAIC
• Trip Function: LI (Long Time and Instantaneous, Fixed)
• Wire Range (Cu/Al): #10-#4
• Special Markings: HACR (Heating, Air Conditioning, and Refrigeration)
• Suitable for Reverse Feed: Yes
• Continuous Current Rated: Standard

Material Compliance and Certifications

• The TEYF2040B circuit breaker meets stringent industry standards, ensuring superior safety and reliability. It is compliant with UL (Underwriters Laboratories) standards, certified under UL File #E11592, and also bears the CSA (Canadian Standards Association) certification under File# LR57114. These certifications highlight the breaker‰۪s adherence to high-quality and safety benchmarks, making it a reliable choice for both commercial and residential applications.

Suitability

• The TEYF2040B is ideally suited for commercial, industrial, and residential applications where space efficiency, high performance, and safety are paramount. Its bolt-on mounting base and wide range of system voltage compatibility (120/240 Vac, 240 Vac, 277 Vac, 480/277 Vac, and 250 Vac) make it a versatile solution for various electrical setups. The quick-make, quick-break mechanisms and clear trip indication ensure that electrical faults are swiftly identified and managed, minimizing downtime and maintenance efforts.