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Square D QOB390 QOB390

Square D QOB390 Standard Miniature Circuit Breaker, 240 VAC, 48 VDC, 90 Amp, 10 kA, 5 kA Interrupt, Three Pole

Square D QO™ Series QOB390 Standard Miniature Circuit Breaker, 240 VAC, 48 VDC, 90 A, 10 kA, 5 kA Interrupt, 3-Pole

Square D QO™ Series QOB390 Standard Miniature Circuit Breaker, 240 VAC, 48 VDC, 90 A, 10 kA, 5 kA Interrupt, 3-Pole QOB390

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 three-pole QO™ circuit breaker is rated at 90 A at 120/240 VAC. This unit provides 10 kA 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.
Square D Standard Miniature Circuit Breaker, QO™ Series, 90 A, 240 VAC, 48 VDC, 50/60 Hz, Interrupt Rating: 10 kA, 5 kA, Number of Poles: 3, Connection Type: Box Lug, Frame Type: QOB, 4 to 2/0 AWG Wire, Bolt-On Mounting, 104 deg F, 2.24 in W, 2.91 in L, 3-1/2 in H

Amperage Rating      :      90 A
Connection Type      :      Box Lug
Frame Type      :      QOB
Frequency Rating      :      50/60 Hz
Height      :      3-1/2 in
Interrupt Rating      :      10 kA, 5 kA
Length      :      2.91 in
Mounting Type      :      Bolt-On
Number of Poles      :      3
Series      :      QO™ Series
Temperature Rating      :      104 deg F
Voltage Rating      :      240 VAC, 48 VDC
Width      :      2.24 in
Wire Size      :      4 to 2/0 AWG
  • pdfCatalog https://assets.unilogcorp.com/267/ITEM/DOC/Square_D_QOB390_Catalog.pdf
  • pdfOwners/User Manual https://assets.unilogcorp.com/267/ITEM/DOC/Square_D_QOB390_Owners_User_Manual.pdf