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Thermal Magnetic Circuit Breaker, Miniature, QO Series, 100 A, 3 Pole, 60 VDC, 240 VAC, DIN Rail


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Manufacturer Part No:
Newark Part No.:
Product Range
QO Series
Technical Datasheet:
QOU3100   Datasheet
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QO Series


3 Pole



DIN Rail

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Technical Documents (6)

Product Overview

The QOU3100 is a 3-pole standard Miniature Circuit Breaker with slotted box lugs (line and load) electrical connection. It accommodates copper or aluminum wire size of 12 to 2/0AWG. The high ampere unit mount miniature circuit breaker (cable-in/cable-out) is ideal for OEM applications. It has Square D's unique Visi-Trip feature. The circuit breaker has specially constructed internal components that make it resistant to the damaging effects of high humidity and salt, which is common in wastewater treatment applications. The circuit breaker has passed a 500-hour salt spray test.
  • Flush, surface and DIN rail mount
  • Internal common trip
  • Lugs supplied in standard position only
  • 10kA Short-circuit current


HVAC, Industrial, Automotive

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