![]()
Protect 8.31
Type: Industrial "Building Block" UPS
• Modern modular "Building block" to meet all customization requirements
• True on-line double conversion UPS (VFI SS 111)
• High robustness for harsh working environments
• Redundant controls for high reliability
• Small footprint
• High efficiency even at low output power
• Compatible with every type of battery
• Full digital control
• Top class communication platform.
![]()
Protect 3.M
VFI SS 111 acc. to IEC 62040-3
15 – 120kVA
![]()
Protect 3.31 / 33

Protect 3.31 NA 120

Protect 3.33 Three Phase input / Three Phase output
VFI SS 111 acc. to IEC 62040-3

Protect 3.33 NA
UL listed (UL 1778)

Protect 4.33 Three Phase input / Three Phase output
VFI SS 111 acc. to IEC 62040-3
160 - 1000kVA

Protect 5.31 and 5.33
Type: Industrial UPS
Floating 220 V battery
Isolating transformer in the rectifier and in the output
State of the art 100%-digital UPS technology with 5 µP in the standard design. International UPS by multilingual man-machine interface with 17 languages.

Protect 5.31 NA
Type: Industrial UPS
Isolating transformer in the rectifier and in the output
State of the art 100%-digital UPS technology with 5 µP in the standard design. International UPS by multilingual man-machine interface with 17 languages.

Protect 5.33 NA
Type: Industrial UPS
Isolating transformer in the rectifier and in the output
State of the art 100%-digital UPS technology with 5 µP in the standard design. International UPS by multilingual man-machine interface with 17 languages.

Protect 5.INV1
according to IEC 62040-3
Operation on floating 220V (110V) battery
Isolating transformer in the output
State of the art 100%-digital UPS technology with 4 µP in the standard design. International UPS by multilingual man-machine interface with 17 languages.

Protect 5.31 INV1/INV3

Protect 5.INV1 NA

Transokraft
power system and the faults which may occur there.

Protect STS
63A – 400A 2poles
63A – 1000A 3poles / 4poles
63A 2poles/3poles and 4poles as 19inch rack version