PDUs with surge protection. Peak surge current: 45 kA. Resettable circuit breaker protects against current overload. LED indicators for power, polarity/ground and surge protection. Mounts in a vertical (Zero-U) configuration on standard racks or cabinets. Durable 18GA cold-rolled steel enclosures. Durable input cord strain relief. 3-year limited product warranty. Lifetime limited connected equipment warranty.