Lighting Panelboard Circuit Breakers from Square Dâ„¢ by Schneider Electricâ„¢, EDB34060, this circuit breaker is proven effective and reliable, provide a wide variety of robust features for use in Square D NF panelboards. Equipped with HACR, HID rated circuit breaker with D Breaking capacity code. Provide short-circuit and overload protection. Mounting bolts are used to hold these breakers in place. This E-Frame breaker is 60A, 3 pole, and has an operating voltage of 480Y/277 VAC. It also provides a 25 kA max interrupt rating at 120 VAC. This device has a hold current of 630A which is the maximum current the breaker can be held to ensure it will trip and a trip current of 1800A which is the current value when the breaker is guaranteed to trip. Many accessories are available for this breaker. This breaker was calibrated for 40 degrees C. HACR rated.