Features Red reverse polarity indicating LED, two double-pole AC main circuit breakers with lockout slide. All hot, neutral and safety ground buses installed, fully pre-wired. Two Green power available indicating LED's. Allows connecting two different AC sources to a circuit. Prevents connecting both AC sources simultaneously. Two 50 amp double-pole A-Series circuit breakers installed.

• Size: 3.75" H x 5.25" W
• Rating: 120V/50 Amp