ABB TEY/Q-Line® THQB1140 Miniature Circuit Breaker • 40A Single Pole Breaker • 120/240 VAC, 10 kA Interrupt • Thermal Magnetic Trip • Bolt-On Installation • HID Compatible

Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Phase Single, Series THQB, Max. AIR Rating 10kA at 120/240V AC, For Use With Lighting Panels, Load Centers, Terminal Connection Lug, Frame Size 100A/THQ, Length 3.53 in, Width 1 in, Depth 3.28 in, Min. Wire Size 12 MCM (Al), 14 MCM (Cu), Max. Wire Size 8 MCM, Standards UL Listed

• ROBUST CIRCUIT BREAKER – With a 40A, 120/240V rating and a 10kAIC interrupting capacity, this compact circuit breaker offers robust protection against overcurrents and short circuits in both residential and commercial environments.
• BOLT-ON INSTALLATION FOR SECURE FIT – Designed for bolt-on mounting, the THQB1140 circuit breaker provides a secure and stable connection in load centers, minimizing the risk of disconnection under load and ensuring consistent performance.
• QUICK-MAKE / QUICK-BREAK MECHANISM – The breaker features a fast-operating mechanism that enhances safety by quickly breaking electrical circuits during fault conditions, minimizing the risk of electrical fires or equipment damage.
• VISIBLE TRIP INDICATION FOR EASY MAINTENANCE – This circuit breaker is equipped with an easily recognizable trip indication to simplify troubleshooting and maintenance, enhancing operational reliability and efficiency.
• VERSATILE INSTALLATION OPTIONS – This single-pole breaker is designed for flexibility, supporting a range of wiring configurations and applications, including High-Intensity Discharge (HID) lighting systems.