Thomas & Betts TBBQ230250 Quad Circuit Breaker

Description:

The Thomas & Betts TBBQ230250 Quad Circuit Breaker is used to provide overcurrent and short-circuit protection for two independent 240 VAC branch circuits, combining one 2-pole 30 A breaker and one 2-pole 50 A breaker in a compact quad configuration. Commonly installed in Thomas & Betts load centers, residential service panels, commercial electrical systems, and light industrial applications, this quad breaker saves panel space while delivering reliable thermal-magnetic circuit protection. Electricians, maintenance technicians, and facility managers use this breaker for new installations, panel upgrades, repairs, and replacement of compatible TBBQ series circuit breakers.

Applications:

The Thomas & Betts TBBQ230250 is designed for use in compatible T&B load centers where two 2-pole circuits are required within the space of two standard breaker positions. It is commonly used to protect HVAC equipment, electric water heaters, ranges, dryers, air conditioning units, welders, and other 240 VAC loads in residential, commercial, and light industrial electrical distribution systems.

Technical Specifications:

• Manufacturer Part Number (MPN): TBBQ230250 (230250)
• Brand: Thomas & Betts (T&B)
• Product Type: Quad Thermal-Magnetic Circuit Breaker
• Configuration: One (1) 2-Pole 30 A + One (1) 2-Pole 50 A
• Number of Poles: 4 (Two Independent 2-Pole Circuits)
• Current Ratings: 30 A and 50 A
• Voltage Rating: 120/240 VAC
• Frequency: 50/60 Hz
• Breaker Type: Plug-In Quad Breaker
• Trip Type: Thermal-Magnetic
• Mounting Style: Plug-In
• Interrupt Rating: 10 kAIC @ 120/240 VAC (typical for this breaker class)
• Space Requirement: Occupies Two Standard Panel Spaces
• Application: Branch Circuit Protection for Dual 240 V Loads
• Compatible Equipment: Thomas & Betts Load Centers Accepting TBBQ Quad Breakers
• Package Condition: Flawed (Cosmetic/Surplus Condition as Specified)

Common Replacements:

• Thomas & Betts TBBQ220220
• Thomas & Betts TBBQ230230
• Thomas & Betts TBBQ250250