APC Parallel Maintenance Bypass for 2 UPS - Bypass switch - AC 400 V - 3-phase - output connectors: 1 - for P/N: G35T15K3I3B4S, G35T15K3IS, G35T20K3I2B4S, G35T20K3I3B4S, G35T20K3I4B4S, G35T20K3IS

Wrap Around System Bypass. (3) Breaker maintenance bypass panel to isolate the UPS from the critical load This product is heavy and/or oversized and may need more than one person to handle. Helps save energy - designed to limit the energy used by other products, potentially helping you reduce your carbon footprint and save money.