Overview
The Thomas & Betts TBBQ2302120 is a quad-configuration 30A 2-pole circuit breaker rated for 120/240V applications. This molded case breaker belongs to the Challenger series and is engineered for residential and light commercial branch circuit protection. Supplied as a box of 6 new units, it delivers consistent thermal-magnetic protection with a common-trip mechanism that ensures both poles trip simultaneously during fault conditions.
Key Features
- 30 amp rating with 2-pole configuration for balanced dual-phase protection
- Voltage rating: 120/240V AC for standard North American electrical systems
- Quad-stacked design fits standard breaker box mounting
- Thermal-magnetic trip mechanism for fast fault detection and isolation
- Common-trip operation—both poles open simultaneously for safety
- Box lug terminals for secure load-side connections
- Supplied new in original box (quantity: 6 units)
Technical Specifications
- Catalog Number: TBBQ2302120
- Manufacturer: Thomas & Betts (Challenger series)
- Amperage: 30A
- Poles: 2P
- Voltage Rating: 120/240V AC
- Configuration: Quad (narrow profile)
- Trip Mechanism: Thermal-magnetic
- Terminal Type: Box lug
- Mounting: Plug-in standard breaker box
- Wire Size Range: 14–4 AWG (load)
- Condition: New in original packaging
- Quantity per Order: 6 units per box
Typical Applications
The TBBQ2302120 is suitable for branch circuit protection in:
- Residential electrical panels and distribution boards
- Light commercial and industrial control panels
- Lighting and receptacle circuits rated 30A
- HVAC branch circuits and motor protection (where sized appropriately)
- General-purpose wiring protection in 240V systems
Compatibility & Replacements
Compatible With
- Standard North American electrical panel boxes with quad breaker slots
- Breaker boxes requiring 30A 2-pole protection at 120/240V
- Thermal-magnetic control schemes in residential and light commercial applications
- Systems utilizing common-trip dual-pole protection
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or electrician before ordering. The TBBQ2302120 quad configuration is designed to fit standard breaker box slots; however, confirm that your panel’s mounting pattern and trip mechanism are compatible with this model.
Works With
- Standard North American breaker box designs (NEC/CEC compliant)
- Thermal-magnetic protection systems
- 120/240V single-phase AC power distribution
- Branch circuit and feeder protection schemes
