Overview
The Square D QO130 is a 1-pole, 30-amp miniature circuit breaker rated for 120/240V AC applications. This thermal-magnetic breaker combines reliable overcurrent protection with plug-in mounting compatibility for use in QO load centers and distribution panels. The unit features VisiTrip® visual trip indication and quick-make/quick-break toggle action for dependable electrical system protection.
Key Features
- VisiTrip® visual trip indicator—red window shows breaker status at a glance
- Thermal-magnetic protection against overloads and short circuits
- Quick-make, quick-break toggle with over-center, trip-free mechanism
- Accepts copper or aluminum wire (AWG 14–8)
- Plug-in mounting with pressure plate electrical connection
- Positive handle indication for operational status
Technical Specifications
- Current Rating: 30 Amperes
- Voltage: 120/240V AC
- Frequency: 50/60 Hz
- Poles: 1
- Interrupting Rating: 10 kA at 120/240V AC; 5 kA at 120V AC
- Wire Size: AWG 14–8 (copper or aluminum)
- Mounting: Plug-in
- Trip Type: Thermal-Magnetic
- Certifications: UL Listed, CSA Certified
- Weight: 0.136 kg (4.8 oz)
- Dimensions: 76H × 74D × 19W mm (2.91″ length)
Typical Applications
The Square D QO130 is ideal for branch circuit overcurrent protection in:
- Residential electrical systems and service panels
- Commercial building distribution panels
- Light industrial power circuits
- Retrofit and maintenance applications where proven QO compatibility is required
Compatibility & Replacements
Compatible With
- Square D QO load centers and panelboards
- NQ and NQOD panelboards and interiors
- Square D Speed-D switchboard distribution panels
- QO plug-in mounting systems (pressure plate connection)
Replaces / Drop-In Replacement For
This breaker is a direct replacement for original Square D QO130 units in existing panels. Verify compatibility with your panel’s load center configuration before ordering.
Works With
- 120/240V AC single-phase electrical systems
- Standard residential and commercial wiring codes (NEC compliant)
- Copper and aluminum conductors (AWG 14–8)
