Mounts into Square D NF panelboards to deliver reliable branch circuit protection in commercial settings. The EGB14070 is a 70-amp, single-pole molded case circuit breaker from the E-Frame series, utilizing thermal-magnetic trip technology to guard against overloads and short circuits. With a secure bolt-on connection, this breaker ensures a stable installation. It boasts a strong interrupting rating of 65kA at 120VAC and includes a Visi-Trip indicator to quickly identify tripped circuits.
What panelboards are compatible with the EGB14070 circuit breaker?
This E-frame breaker is designed exclusively for use in Square D NF series panelboards. It will not fit NQ panelboards, which require QOB style breakers.
What does the G in the EGB14070 part number signify?
The middle letter designates the interrupting rating level at 480Y/277V. The G indicates a 35kA interrupting rating. For comparison, D indicates 18kA and J indicates 65kA.
Can I use an EDB14070 instead of the EGB14070?
You can use the EDB14070 only if your system requires an interrupting rating of 18kA or less at 277V. If the available fault current exceeds 18kA, you must use the EGB14070 or the 65kA rated EJB14070 to ensure safe operation.
What is the recommended lug torque for the EGB14070?
The recommended tightening torque is 34.5 lb-in for 14 to 10 AWG wire, and 49.6 lb-in for 8 to 2/0 AWG wire. Always verify torque specifications on the physical breaker label before terminating.
Is the EGB14070 suitable for motor loads or HVAC equipment?
Yes, all Square D EDB, EGB, and EJB circuit breakers are UL Listed as HACR type, making them suitable for heating, air conditioning, and refrigeration motor loads.
Does the EGB14070 include ground fault or equipment protection?
No, the standard EGB14070 provides only thermal-magnetic overload and short-circuit protection. Equipment protection requires a breaker with an EPD suffix.
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Review summary
Customers rate this product 4.9 out of 5 based on 25 reviews.