Documentation & Downloads
Square D QOB380 Mini Circuit Breaker 80A 3 Pole 120/240VAC Bolt-On 10kA
- MPN: QOB380
- UPC: 785901019732
- PPN: SCH-QOB380
CAD
$519.52
/ EA
Available to Order
Lead times may vary. For an accurate estimate please contact us.
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Description
QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive handle indication. They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. This 3 pole QO circuit breaker is rated at 80A at 120/240VAC. This unit provides 10kA breaking capacity and bolt on mounting. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555
Features
- Engineered with a rugged, permanent bolt-on design, this 3-pole miniature circuit breaker uses physical mounting screws to mechanically lock directly onto the panelboard's busbars. For industrial facility managers and commercial electricians, this provides a highly stable, vibration-proof connection that prevents localized physical movement, completely eliminating the loose-joint arcing and contact degradation common with plug-on breakers inside high-harmonic industrial machinery rooms.
- Delivering a substantial 80 Amp continuous current rating at 240V AC, this 3-pole module is built to manage large, balanced three-phase commercial feeder demands. This robust ampacity threshold makes it an ideal choice for safely running localized commercial kitchen appliances, heavy industrial manufacturing pumps, and facility exhaust arrays without suffering thermal nuisance tripping under heavy full-load periods.
- Equipped with Square D's signature Visi-Trip visual indicator flag, this unit displays a highly reflective, bright red indicator window the exact instant an overcurrent or short circuit event forces the breaker open. Maintenance personnel can scan a dense column of switches and spot the specific faulted line immediately, eliminating diagnostic manual testing and cutting down facility repair timelines during costly production sags.
- Featuring an over-center, trip-free toggle mechanism with quick-make, quick-break physical action, this thermal-magnetic breaker reacts almost instantly to severe electrical faults. By quenching destructive arc energy rapidly during a 10 kA short circuit, it prevents intense transient voltage surges from moving downstream, protecting vulnerable automation hardware, server stacks, and multi-stage control relays from severe physical damage.
- Built with large mechanical pressure box lugs, this assembly safely clamps onto heavy-gauge aluminum or copper conductors ranging from 4 AWG up to 2/0 AWG. Torquing down the lug connection screws to the strict factory-certified specification of 49.56 lbf-in (5.6 N-m) ensures uniform, code-compliant wire retention that accommodates natural wire thermal expansion cycles, eliminating localized resistive hot spots for decades of maintenance-free service.
- Carrying comprehensive CSA and UL listed safeties alongside an official HACR rating, this premium breaker is fully certified to manage the high inductive inrush currents associated with heating, air conditioning, and commercial refrigeration systems. It operates optimally up to an ambient room rating of 40°C (104°F), satisfying strict Canadian Electrical Code guidelines to simplify final inspection sign-offs.
Documentation & Downloads
Specifications
Additional
- Current Rating
- 80 A
- Breaking Capacity
- 10 kA 120/240 V AC
- Circuit Breaker Type
- Standard thermal magnetic
- Number of Spaces Required
- 3
- Electrical Connection
- Box lugs
- Tightening Torque
- 5.6 N.m (49.56 lbf.in)
- Width
- 57 mm (2.24 in)
- Net Weight
- 0.485 kg (1.07 lb)
- Product Certifications
- UL Listed, CSA Certified
- HALogen Content Performance
- Halogen free product
- China RoHS Regulation
- Out of China RoHS scope
- Mercury Free
- Yes
- Product Or Component Type
- Miniature circuit-breaker
Voltage120/240 V AC
Poles3
Circuit Breaker ApplicationHACR rated
Mounting TypeBolt-on
Wire SizeAWG 4 to AWG 2/0 copper or aluminum
Height89 mm (3.50 in)
Depth74 mm (2.91 in)
Ambient Air Temperature for Operation40 C (104 F)
RoHS Exemption InformationYes
Sustainable Offer StatusGreen Premium product
Reach RegulationContains SVHC above threshold
Range Of ProductQO
Warranty18 months
Accessories
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CAD
$519.52
/ EA
Available to Order
Lead times may vary. For an accurate estimate please contact us.
Loading dialog...
Looking to buy a large quantity?
To View Branch Inventory And Your Custom Pricing
CAD$519.52/ EA
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