Guardian L

Guardian L Series, available in 20, 30, 40, 60 and 80kVA models, adopts the most advanced power electronics, digital signal control and protection technology. It has greater efficiency, smaller size, better performance, and more convenient operation. Guardian L’s robust design with dust proof filter and PCBA with conformal coating to reduce the risk of internal short makes it the perfect choice for commercial or industrial installations.

With three-step IGBT PWM control technology, Guardian L encompasses 100-110% overload capacity for up to 60 minutes. Guardian L also offers Optimised Battery Management (OBM) three stage charging logic which increases the service life of the batteries by up to 50%. Guardian L long backup models may be installed with up to four external battery cabinets to cater for applications where extended battery backup is required.

In parallel, Guardian L may be offered with 1 + 1 separate battery, or with a space saving N + X common battery solution resulting in significant footprint and cost savings. Guardian L Series is also compatible with Lithium-ion batteries. It’s robust UPS charger design releases the lithium battery’s ultimate performance. When used with Lithium batteries, the system’s footprint is significantly reduced. Guardian L’s large full-colour touchscreen provides a very friendly interface for users to check the operating status of the UPS.