Square D EDB14070 Single Pole Circuit Breaker

The Square D EDB14070 is a 70 A, single-pole E-Frame circuit breaker rated for 277 VAC, designed for bolt-on installation in Square D panelboards. This 1-pole device delivers thermal–magnetic overcurrent protection with an interrupting rating up to 25 kA at 277 VAC, making it suitable for branch circuits in commercial buildings that rely on 277 VAC feeders such as lighting and general distribution. As part of the Square D EDB family, and a product of the Square D brand (a Schneider Electric company), it offers a compact footprint for retrofit or new installations in compatible NF panelboards. The EDB14070 protects circuits that operate at 277 VAC, providing a dependable disconnect path in fault conditions and helping maintain safety and uptime in typical commercial electrical distributions. Bolt-on mounting and the E-Frame format support straightforward installation in appropriate panelboard configurations, and this model is specified for use in 277 VAC systems that require protective switching for 70 A circuits.