The automatic switches are similar in construction to, use the same accessories, and offer the same connection possibilities as the L-Frame circuit breaker version. The switches have a factory set, nonadjustable trip point calibrated to protect the molded case switch. PowerPacT L-Frame switches are available in unit mount, I-Line, plug-in, or drawout versions. This unit is a plug in unit. This PowerPacT L, 600A, 3 pole, automatic switch has a withstand current rating of 50kA at 600VAC. This unit includes a factory installed 2A/2B auxiliary switch and no cradle. PowerPacT L automatic switches comply to UL and CSA standards.