Overview
The Square D QOU260 is a 2-pole miniature circuit breaker designed for reliable overcurrent protection in industrial and commercial electrical systems. With a 60-amp current rating, 120/240V AC voltage rating, and 10kA interrupt rating, this HACR-type breaker delivers dependable protection across a wide range of control panel and distribution applications. The thermal-magnetic trip mechanism provides both long-time and instantaneous protection functions.
Key Features
- 2-pole, 60-amp rated miniature circuit breaker with unit-mount construction
- 10kA interrupt capacity at 120/240V AC (5kA at 48V DC)
- Thermal-magnetic trip with long-time and instantaneous functions
- HACR and switching-duty rated for OEM and industrial applications
- Compatible with DIN rail, flush-mount, and surface-mount installations
- Accepts AWG 14–2 aluminum or copper wire with 5.08 N·m tightening torque
- Slotted box lug terminals (line and load side)
- Built-in Visi-Trip indicator for visual trip confirmation
Technical Specifications
- Part Number: QOU260
- Amperage Rating: 60A
- Voltage Rating: 120/240V AC, 120V AC, 48V DC
- Number of Poles: 2
- Interrupt Rating: 10kA at 120/240V AC; 10kA at 120V AC; 5kA at 48V DC
- Trip Mechanism: Thermal-Magnetic (Long-Time & Instantaneous)
- Application Type: HACR and Switching Duty
- Mounting: Unit Mount (compatible with DIN rail, flush, surface)
- Wire Size: AWG 14–2 (aluminum or copper)
- Connection Type: Slotted box lugs
- Tightening Torque: 5.08 N·m (45 lbf·in)
- Dimensions: 4.05″ H × 1.5″ W × 2.95″ D
- Certifications: UL Listed, CSA, IEC
- Warranty: 18 months
Typical Applications
- Electrical distribution panels and load centers
- Motor control centers and machinery protection
- HVAC equipment and lighting system circuits
- Industrial machinery and OEM control enclosures
- Commercial and industrial switchboards and panelboards
- DC power systems (48V)
Compatibility & Replacements
Compatible With
- Square D QO and QOU series panelboards and load centers
- DIN rail systems and OEM control panel enclosures
- AC and DC electrical systems (120V AC, 120/240V AC, 48V DC)
- Standard electrical distribution infrastructure
Replaces / Drop-In Replacement For
- Square D QO260 (older QO-series equivalent)
- Other 2-pole, 60A, 10kA miniature circuit breakers with matching terminal configurations
Works With
- Square D panelboards and distribution equipment
- Schneider Electric industrial control systems
- Standard UL489-rated miniature circuit breaker applications
- Thermal-magnetic trip OEM designs
