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Fleet DC · Master Units

The power core
of your depot.

Master units convert AC grid power to high-voltage DC, distributing intelligently across satellite terminals. Choose from 240 kW or 480 kW capacities.

240–480kW
Available capacities
≥96%
Conversion efficiency
IP54
Outdoor rated
Neutron Systems  /  Fleet DC  /  Master Units
Master Unit NSNF0020MU240LCD 240 kW
NSNF0020MU240LCD

240 kW
Master Unit

The 240 kW master is the backbone of a standard depot hub. Powers up to 4 satellite terminals simultaneously with dynamic power allocation ensuring no bay sits idle.

AC Input
AC Input Voltage380 – 415 V AC, 3-phase
Frequency50 / 60 Hz
Input CurrentMax 380 A
Power Factor≥ 0.99
THDi≤ 5%
DC Output
Rated DC Output Power240 kW
DC Output Voltage200 – 1000 V DC
DC Bus CurrentMax 600 A
Efficiency (peak)≥ 96%
Ripple (output)≤ 1% Vpp
System Integration
Max Satellite TerminalsUp to 6
Load Sharing ModeDynamic (priority / equal)
Communication BusCAN 2.0, RS485
NetworkEthernet RJ45, 4G LTE optional
OCPP IntegrationVia terminal units
Physical & Environmental
Enclosure RatingIP54
Operating Temperature−30°C to +55°C
Storage Temperature−40°C to +70°C
Altitude≤ 2,000 m
CoolingForced air with thermal management
DisplayIntegrated LCD status panel
Noise Level≤ 65 dB(A) at 1 m
Safety & Compliance
StandardsIEC 62477-1, IEC 61000-3-12, EN 50549
CertificationsCE, UKCA
Grid ProtectionAnti-islanding, overvoltage, undervoltage
Lightning ProtectionSPD Class II
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NSNF0021MU480LCD

480 kW
High-Power Master

The 480 kW master is engineered for high-throughput fleet depots — bus operators, logistics hubs, and rapid-turnaround commercial fleets. Supports up to 6 satellite terminals with intelligent priority dispatch.

480kW
DC output
Terminals
≥96%
Efficiency
AC Input
AC Input Voltage380 – 415 V AC, 3-phase
Frequency50 / 60 Hz
Input CurrentMax 760 A
Power Factor≥ 0.99
THDi≤ 5%
DC Output
Rated DC Output Power480 kW
DC Output Voltage200 – 1000 V DC
Efficiency (peak)≥ 96%
Ripple≤ 1% Vpp
System Integration
Max Satellite TerminalsUp to 12
Load SharingDynamic — priority charging configurable per terminal
Communication BusCAN 2.0, RS485, Ethernet
Grid Demand ManagementCompatible with Neutron Grid EMS
Peak ShavingYes (with ESS integration)
Physical & Environmental
Enclosure RatingIP54
Operating Temperature−30°C to +55°C
CoolingForced air with active thermal management
DisplayIntegrated LCD status panel
Noise Level≤ 70 dB(A) at 1 m
CertificationsCE, UKCA
Request Quote Download Datasheet →
Master Unit High Power NSNF0021MU480LCD 480 kW

240 kW vs 480 kW

Specification NSNF0020MU240LCD NSNF0021MU480LCD
Rated Output Power240 kW480 kW
Max Satellite Terminals612
AC Input CurrentMax 380 AMax 760 A
Efficiency≥ 96%≥ 96%
EnclosureIP54IP54
Operating Temp.−30 to +55°C−30 to +55°C
Grid EMS CompatibleYesYes
Best For4–8 vehicle depots10–12+ vehicle depots
Centralised Power Distributed Charging — One Master Multiple Satellites diagram

Ready to spec your depot system?

Combine master units with DC terminals and Neutron Grid EMS for a fully managed charging hub.

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