Rotabloc System with Marelli generatorMarelli
Rotabloc RBT System with Marelli MJB 355
Rotabloc System with Marelli generator
Marelli
Rotabloc RBT System with Marelli MJB 355
EXW ONO plus VAT
€12,000
Year of construction
2016
Condition
Used
(fully functional)
Location
London 

Basic data
- Machine type:
- Rotabloc System with Marelli generator
- Manufacturer:
- Marelli
- Year of construction:
- 2016
- Condition:
- used
- Functionality:
- fully functional
Price & Location
EXW ONO plus VAT
€12,000
- Location:
- Shelton Street 71-75, WC2H 9JQ London, United Kingdom

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Technical details
Dimensions and weight
Overall weight:
2,000 kg
Power details
Output voltage:
400 V
Output frequency:
50 Hz
Further details
Power:
720 kW (978.93 HP)
Color:
black
Continuous power (apparent):
800 kVA
Details about the offer
- Listing ID:
- A195-23381
- Update:
- 09.10.2026
Description
Containerized Rotary UPS System Featuring Marelli Generator MJB 400 LB4 B2 & Rotabloc Flywheel Technology
Model:MJB 355 MB4 B2
Rated Power: 900 kVA, 400V / 920 kVA, 440V
Active Power: 720 kW
Voltage: 400 V / 440 V
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Frequency: 50 Hz / 60 Hz
Rated Current: 1155 A, 400V / 1207 A, 440V
Speed: 1500 / 1800 rpm
Power Factor: 0.8
Insulation Class: H
Weight: 1950 kg
Protection class: IP23
Bearings: 6317 C3
Lubrication: Mobil Polyrex EM
Rotabloc RBT Alternator (Flywheel-Based UPS)
Model Type: MJB-355
UPS Power Limitation:500 kVA
Voltage Range: 400 V ±12.5%
Current: 722 A
Frequency: 50 Hz
Speed: 1500 rpm
Weight: 1950 kg
Manufactured in Belgium
Features & Benefits
Rotary UPS – No batteries required.
Compact footprint with integrated cooling
Ideal for grid stability and critical systems
Reliable European engineering (Belgium & Italy)
CE marked, ready for international use
Model:MJB 355 MB4 B2
Rated Power: 900 kVA, 400V / 920 kVA, 440V
Active Power: 720 kW
Voltage: 400 V / 440 V
Fedewx H Hzepfx Akmjgh
Frequency: 50 Hz / 60 Hz
Rated Current: 1155 A, 400V / 1207 A, 440V
Speed: 1500 / 1800 rpm
Power Factor: 0.8
Insulation Class: H
Weight: 1950 kg
Protection class: IP23
Bearings: 6317 C3
Lubrication: Mobil Polyrex EM
Rotabloc RBT Alternator (Flywheel-Based UPS)
Model Type: MJB-355
UPS Power Limitation:500 kVA
Voltage Range: 400 V ±12.5%
Current: 722 A
Frequency: 50 Hz
Speed: 1500 rpm
Weight: 1950 kg
Manufactured in Belgium
Features & Benefits
Rotary UPS – No batteries required.
Compact footprint with integrated cooling
Ideal for grid stability and critical systems
Reliable European engineering (Belgium & Italy)
CE marked, ready for international use
Seller
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