WNB - Bypass Transfer Switch HomeProductsAutomatic Transfer SwitchWNB Series WNB Series INTRODUCTION WNB is withdrawable switch power supply side with bypass can be made in the mains power supply status, the bypass switch is closed, power is maintained by the bypass switch. OPERATION MENU Inquiry Back Out of stock., contact us Product Description FURTHER INFORMATION Withdrawable by mechanical means, the body is moved to the test position, or pulled out of the main body frame switch, repair or replace the main switch until after the completion of inspection, then put it back again within the framework of the body, by the main power switch on, bypass switch off, and uninterruptible power production process to achieve maintenance, to ensure continuity of supply. BASIC PARAMETERS WNB 250A Rated operating current Ie : 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 140A, 160A, 200A, 225A, 250A Rated insulated voltage Ui : AC 800V/50Hz Rated operating voltage Ue : AC 400V, AC690V/50Hz Pole : 4P WNB 630A Rated operating current Ie : 350A, 400A, 500A, 630A Rated insulated voltage Ui : AC 800V/50Hz Rated operating voltage Ue : AC 400V, AC690V/50Hz Pole : 4P WNB 2500A Rated operating current Ie : 800A, 1000A, 1250A, 1600A, 2000A, 2500A Rated insulated voltage Ui : AC 800V/50Hz Rated operating voltage Ue : AC 400V, AC690V/50Hz Pole : 4P WNB 4200A Rated operating current Ie : 3200A, 4000A, 4200A Rated insulated voltage Ui : AC 800V/50Hz Rated operating voltage Ue : AC 400V, AC690V/50Hz Pole : 4P