THOMAS & BETTS TBBQ240240 QUADPLEX CIRCUIT BREAKER 4 POLE 40 AMP 120/240V

Description:

The Thomas & Betts TBBQ240240 Quadplex Circuit Breaker is used to provide thermal-magnetic overcurrent and short-circuit protection for multiple 120/240 VAC branch circuits in compatible load centers and panelboards. Commonly installed in residential, commercial, and light industrial electrical systems where two independent 2-pole 40 Amp circuits are required while maximizing available panel space. Maintenance electricians, contractors, and facility managers use this quadplex breaker for new installations, panel upgrades, retrofits, and replacement of existing TBBQ Series circuit breakers.

Applications:

The Thomas & Betts TBBQ240240 is a quadplex plug-in thermal-magnetic circuit breaker designed to provide two independent 2-pole 40 Amp circuits within the space of two standard breaker positions. It features independent trip operation, a CTL rejection tab for compatible load centers, and a 10 kA interrupting capacity for dependable branch circuit protection. The breaker is ideal for HVAC equipment, electric water heaters, air conditioning systems, subpanels, multi-wire branch circuits, and other 120/240 VAC residential and commercial electrical applications.

Technical Specifications:

• Brand: Thomas & Betts (ABB)
• Part Number: TBBQ240240
• Product Type: Quadplex Thermal-Magnetic Circuit Breaker
• Series: TBBQ / BQ Series
• Number of Poles: 4 Pole (Two Independent 2-Pole Circuits)
• Circuit Ratings: (2) Two-Pole 40 Amp
• Rated Voltage: 120/240 VAC
• Phase: Single Phase
• Interrupting Capacity: 10 kAIC
• Trip Type: Thermal Magnetic (Independent Trip)
• Mounting Type: Plug-In (CTL)
• Connection Type: Plug-On
• Special Feature: Rejection Tab for CTL Load Centers
• Wire Size: #14–4 AWG Copper/Aluminum
• Compatible Equipment: Thomas & Betts / Type BR Compatible Load Centers and Panelboards
• Certifications: UL 489 Listed
• Compliance: Federal Specification W-C375
• Approximate Dimensions: 3 in. L × 2 in. W × 3 in. H
• Approximate Weight: 0.7 lb

Common Replacements:

• Thomas & Betts TBBQ220230
• Thomas & Betts TBBQ220250
• Thomas & Betts TBBQ230230