Thomas & Betts TBBQ220250 Quadplex Circuit Breaker

Description:

The Thomas & Betts TBBQ220250 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 one 2-pole 20 Amp circuit and one 2-pole 50 Amp circuit 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 TBBQ220250 is a quadplex plug-in thermal-magnetic circuit breaker designed to provide two independent common-handle 2-pole 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 systems, electric water heaters, air conditioning units, dryers, multi-wire branch circuits, and other 120/240 VAC residential and commercial electrical applications.

Technical Specifications:

• Brand: Thomas & Betts (ABB)
• Part Number: TBBQ220250
• Product Type: Quadplex Thermal-Magnetic Circuit Breaker
• Series: TBBQ / BQ Series
• Number of Poles: 4 Pole (Two Independent 2-Pole Circuits)
• Circuit Ratings: (1) 2-Pole 20 Amp and (1) 2-Pole 50 Amp
• Rated Voltage: 120/240 VAC
• Phase: Single Phase
• Interrupting Capacity: 10 kAIC
• Trip Type: Thermal Magnetic (Long-Time / Instantaneous)
• Trip Configuration: Independent Trip
• Mounting Type: Plug-In (CTL)
• Connection Type: Plug-On
• Wire Size: #14–4 AWG Copper/Aluminum
• Compatible Equipment: Thomas & Betts / Type BR Compatible Load Centers and Panelboards
• Special Feature: Rejection Tab for CTL Panels
• Certifications: UL 489 Listed, Federal Specification W-C375 Compliant
• Approximate Weight: 0.75 lb (0.34 kg)

Common Replacements:

• Thomas & Betts TBBQ215215
• Thomas & Betts TBBQ220230
• Thomas & Betts TBBQ230230