Product Description
The Square D QOB245 is a type QO bolt-on miniature circuit breaker designed for overcurrent protection and switching on AC and DC systems. This 2-pole breaker is rated at 45A and 120/240 VAC. It features a trip-free toggle mechanism with quick make, quick break action and positive handle indication, as well as VisiTrip trip indication.
- Overcurrent protection and switching on AC and DC systems
- Trip-free toggle mechanism with quick make/break action
- VisiTrip trip indication for visual indication of tripped circuit
Product Highlights
The Square D QOB245 provides reliable circuit protection with a bolt-on design and clear trip indication.
Product Information
Standard Information
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Brand: SQUARE D
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Manufacturer Part Number: QOB245
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Country of Origin: Mexico
Technical Specifications
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Type: Bolt On - Standard Trip
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Depth: 2.91 Inches
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Width: 1.5 Inches
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Height: 3.11 Inches
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Material: Thermoplastic
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Standard: UL, CSA
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Connection: Screw terminal
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Voltage Rating: 120/240 VAC
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Amperage Rating: 45 Amperes
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Number Of Poles: 2-Pole
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Interrupt Rating: 10 kAIC
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Operating Temperature: 104°F
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Product: QO Miniature Circuit Breaker, Bolt On
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Range: QO
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Current Rating: 45 A
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Mounting Type: Bolt-on
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Number of Poles: 2
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Circuit Breaker Type: Standard
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Ratings: HACR rated
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Electrical Connection: Box lugs
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Wire Size: 30 AWG
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Length: 2.91 Inch
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Current: 45 Amp
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Voltage: 120 Volt
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Amperage: 45 Amp
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Sub Brand: QO
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Applications: HACR rated
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TC Connection: Box lugs
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Certifications: CSA,UL Listed
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Conductor Size: 8-2 AWG
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Short Circuit Current: 10 kA
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Line Rated Current: 45 A
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Poles Description: 2P
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[Ue] Rated Operational Voltage: 120/240 V AC || 120 V AC
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Breaking Capacity: 10 kA 120/240 V AC || 10 kA 120 V AC
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Awg Gauge: AWG 8...AWG 2 copper or aluminium
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Tightening Torque: 5-5 N.m
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Number Of Spaces Required: 2
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Product Certifications: UL Listed || CSA
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Ambient Air Temperature For Operation: 40 °C
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System Voltage: 120 V AC, 120/240 V AC, 48 V DC
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Number of Panel Spaces: 2
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Ambient Rating: 104 Degree F (40 Degree C)
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AIR Rating: 10 kA
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Amp Rating: 45
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Manufacture: Square D
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Mounting Mode: bolt-on
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Frame Type: Q
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Installation: Bolt-On
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Used On: NQ Series Panelboard
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Approval: CSA, UL
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Tripping Method: Thermal Magnetic, Common Trip
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Includes: Visi-Trip Indicator
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Ac Voltage Rating: 240Vac
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Dc Voltage Rating: 48Vdc
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For Use With: NQ Panelboards, NQOD Panelboards
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Series: Qob
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Terminal Connection: Lug
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Max. Air Rating: 10Ka
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Frame Size: 100A/Qo
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Min. Wire Size: 8 Awg
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Max. Wire Size: 2 Awg
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Standards: CSA C22.2 No. 5, HACR, UL 489
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Phase: 1
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AIC Rating: 10kA @ 120VAC, 10kA @ 120/240VAC, 5kA @ 48VDC
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Mounting Style: Bolt-On
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Terminal Type: Box Lugs
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Trip Technology: Thermal Magnetic
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Trip Function Code: LI
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Trip Function: Long-Time, Instantaneous
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Trip Adjustability: Fixed
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Wire Gauge: 8-2 AWG (Al/Cu)
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Max Wire: 2 AWG
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Min Wire: 8 AWG
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Available Options: Padlock Attachment
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Accessories: None included
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Temp Rating: 40C
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Construction Features: HACR Rated, Visual Trip Indicator
