Square-D / Schneider - Square D EDB34020 480Y/277 Volt 20 Amp Miniature Circuit Breaker

E-Frame Breaker are Lighting Panelboard Circuit breakers that are proven effective and reliable which provide a wide variety or robust features that are use specifically in Square D NF Panelboards. This device is a 3 pole bolt-on breaker that is rated at 20 A at a system voltage of 480Y/277 VAC and the breaker is UL Listed as well as CSA rated. This E-Frame breaker has thermal-magnetic trip unit as well as signal indicator that will indicate when a trip has occur. This specific breaker is HID rated and HACR rated. The breaker has aluminium lugs which have a terminal lug rating of AWG 12...AWG 6 (aluminium) and AWG 14...AWG 6 (copper). This E-frame breaker breaking capacity has been tested a numerous voltages but at two voltages the capacity is 18 kA at 480Y/277 VAC and 25 kA at 120/240 VAC. This device has a hold current of 270 A which is the maxiumum current the breaker can be held to ensure it will trip and a trip current of 875A which is the current value when the breaker is guaranteed to trip. The circuit breaker has a height of 5.66 in, width of 2.94 in and a depth of 4.05 in. This breaker was calibrated for 40 degrees C. This product is UL Listed as High Intensity Discharge. HACR rated. Compatible Products: EDPA; NF430L4; NF430L4C; NF430L6C; NF442L1C; NF442L2TVS412C; NF442L2TVS416C; NF442L4; NF442L4C; NF442L4TVS412C; NF442L4TVS416C; NF442L6C; NF454L2; NF454L4C; NF466L2; NF466L2C; NF466L4; NF466L4C; NF466L6C; NF484L4; NF484L4C; NF484L6C; EDPAF; HPAFD; ECB2HT; ECB3HT; AL30FD