Protect 8 33 S14 Industrial UPS with output galvanic isolation

With the Protect 8 S14 you will benefit from a compact, robust, and easy to operate industrial-grade UPS meeting the relevant international standards. It offers an ingress protection up to IP43 and several configurable options to meet industrial application needs. With an expected lifetime of at least 20 years, the Protect 8 S14 is a robust and cost-effective solution optimized for minimal operating costs.`

IP43 protection

Protection against water and dust


A robust design crafted for harsh environments and high requirements

TYPE Protect 8 31 S14
CAPACTIY 10 - 60 kVA
8 - 48 kW
Battery 384 V
TYPE Protect 8 33 S14
CAPACITY 10 - 120kVA
8 - 96 kW
Battery 384V

UPS systems from AEG Power Solutions ensure the continuous availability of all global industrial requirements in oil & gas, petrochemical, power generation, transportation and other heavy industries. The state-of-the-art, double-conversion topology and design of the Protect 8 is flexible, meets practically all conceivable customer requirements and is suitable for use in harsh environments.


With the Protect 8 you will benefit from a robust and easy to operate UPS meeting the relevant EMC and other international standards. It can be custom-designed for use in harsh industrial environments. With an expected lifetime of at least 20 years, the Protect 8 is a robust and cost-effective solution optimized for minimal operating costs. Designed for highly demanding applications, the Protect 8 will ensure safe operation of your critical loads, delivering total control wherever reliability, availability and maintainability are required.

Protect 8 33 S14
Protect 8 31 S14
Power rate
10 - 120kVA
10 - 60 kVA
Battery voltage range
384Vdc +/- 20%
384Vdc +/- 20%
THDi improvement
Filter or 12 pulse technology
Filter or 12 pulse technology
Output voltage static response
Output voltage dynamic response
Recovery time
Overload capability
125% (1 hour) / 150% (1 min)
125% (1 hour) / 150% (1 min)
Output power factor
Cos ϕ 0,8
Cos ϕ 0,8
Degree of protection
up to IP43
up to IP31
Operation temperature
-10°C to 35°C (without derating)
-10°C to 35°C (without derating)
Battery Types
Power Capability
Battery Modes
Protect 8 33 S14 Download
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