Delivering 60A of thermal-magnetic protection, the Square D EJB14060 protects commercial and industrial branch circuits from damaging overcurrents. This E-Frame miniature circuit breaker ensures reliable power distribution. This unit is manufactured for compatibility with Square D NF panelboards, utilizing a sturdy bolt-on connection. The standard box lugs accept 14-2/0 AWG copper or 12-2/0 AWG aluminum conductors. It features a 65 kAIC interrupt rating at 277VAC.
Which panelboards are compatible with the EJB14060?
The EJB14060 is engineered exclusively for Square D NF panelboards. As a 1-pole breaker, it requires a single space on the panel bus.
Can the EJB14060 replace an EDB14060 or EGB14060?
Yes. The EJB14060 shares the exact physical dimensions and bolt-on mounting configuration as the EDB14060 and EGB14060. It serves as a direct replacement, providing the highest interrupting rating in the E-frame family (65kA at 277V) for systems requiring increased fault protection.
What are the lug torque specifications for the EJB14060?
The required tightening torque depends on the conductor size. Apply 34.5 lb-in for 14 to 10 AWG wire, and 49.6 lb-in for 8 to 2/0 AWG wire.
Can the EJB14060 be backfed in solar installations?
Yes, Square D E-frame circuit breakers are suitable for AC backfeed applications, such as solar grid-tie systems. Note that these breakers are not DC rated.
Does the EJB14060 include ground fault protection?
No. The standard EJB14060 provides thermal magnetic overload and short circuit protection. Ground fault equipment protection requires models with an EPD suffix, which provide a fixed 30mA trip level.
Is the EJB14060 rated for switching duty (SWD)?
No. Under UL 489 standards, the SWD rating for regularly switching fluorescent lighting is only applied to 15A and 20A single pole circuit breakers.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 12 reviews.