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QOU Miniature Circuit Breaker Types
Miniature molded case circuit breakers are intended for use in residential and commercial applications. They are tested and listed according to UL Standard 489 and CSA Standard C22.2 No. 5-02 for molded case circuit breakers and enclosures.
QOU miniature circuit breakers and switches are available for surface-, flush-, or DIN rail mounted applications in one-, two-, and three-pole constructions. QOU miniature circuit breakers are used for overcurrent protection and switching on both AC and DC electrical systems. QOU circuit breakers and switches measure 0.75 in. (19 mm) wide per pole. Two- and three-pole circuit breakers are both equipped with an internal crossbar for common tripping of all poles. QOU switches are available in one-pole, 60 Ampere and two- and three-pole, 60, 100 and 125 Ampere construction. Cases for QOU miniature circuit breakers and switches are constructed of a glass-reinforced insulating material that provides high dielectric strength. Current carrying components are isolated from the handle. The handle position indicates whether the circuit breaker is off, on or tripped.
Can Be Flush-, Surface-, or DIN Rail-Mounted
Automatically Open a Circuit Under Overload or Short Circuit Conditions
Feature Common Tripping of All Poles
Have a Visi-Trip® Trip Indicator
Has Lugs at Both Ends (Cable-In/Cable-Out Construction)
Operate in Any Position
Are Fully Tested, UL Listed, and CSA Certified for Reverse Connection without Restrictive Line/Load Markings
Provide a Means to Manually Open a Circuit
Terminal Lug Wire Size 1- #14 - #2 AWG Cu or Al
Reversible Line and Load Lugs for Convenient Flush or Surface Mount Wiring
DIN Mounted (Symmetrical Rail 35 × 7.5 DIN/EN 50 022)
UL Listed as HACR Type -- 15 A to 70 A
Field Installable Quick Connectors
Single Handle with Internal Common Trip
UL Listed 48 VDC (5,000 AIR)
Constructed with Special Corrosion Resistant Current Path
Passed ASTM 500 Hour Salt Spray Test
UL 489 EN60947-2 and CSA C22.2 No.5-02 Certifications