Elkhart (LPT50BRD 50 Amp Automatic Transfer Switch ESCO Automatic Transfer Switch LPT50BRD-50 Amp 120/240 Volt relay based with terminal strip 50 Amp per pole 70 Amp neutral 12.0KW, 110VDC 22 second nominal time delay to allow generator to get up to speed Time delay is defeatable for instant switching Has terminal strip for easy wiring Shore power pass through design Size 8,5" x 8,5" x 4,5"