AC500 load bank
Product support page
Technical specification
Voltage ratings options
The AC500 is available 3 versions for the following voltage ratings:
400V
415V
480V
All versions are suitable for frequencies of 50Hz or 60Hz. Other voltages and frequencies are available on request.
Power ratings
3-phase
Maximum capacity 500 kW
Load step resolution 25.0 kW
1-phase
Maximum capacity 166.7 kW
Load step resolution 8.33 kW
Control and Ventilation
Manual controls
System on/off pushbuttons
supply rotary selector switch
emergency stop
Control interface 7” touchscreen
Cooling Forced convection
Fan 1 x 7.5kW AC fan, axial type
Control supply 3-phase AC, voltage to suit version
Source Internal (supply under test) or external supply
Connection Interfaces
Load connections
10 x Powerlock drainsockets (2x 3P + N + PE)
External control supply 1 x EN 60309 3P+PE 32A
Data downloads 1 x USB Type A
Networking and remote 1 x RJ45
Operating Environment
Suitable for outdoor use
Ambient temperature -10°C to 50°C
Humidity 95% RH
Ingress protection
IP23 Load enclosure
IP54 Control cabinet
Construction
Resistor elements Stamped grid and wire coils
Element material High grade stainless steel
Base platform Hot-dip galvanised steel
Main enclosure
Dual layer; galvanized sheet steel, painted RAL9002 grey
Hot-dip galvanised steel
Portability
4 x heavy duty castors (2 x braked)
fork lift pockets
optional lifting frame includes 4 x lifting eyelets
Weight and Dimensions
available in two options
Load bank only
Length 1380mm
Width 800mm
Height 1353mm
Weight 310kg
With lifting frame
Length 1476mm
Width 896mm
Height 1503mm
Weight 370kg
Safety
Electrical protection
Over current and short circuit fuse protection
Over voltage protection (via control system)
Thermal protection
PT100 monitoring (load and control compartments)
PT100 healthy status
Airflow status
Optional extras
Remote Control – the Digi-load Remote provides the ability to control a load bank via a wired connection. It can also be used as the single point of control for a network of load banks. Housed in a rugged IP66 case it includes a 10” touch screen, emergency stop and 2 x USB data ports.
Network capability – when this hardware capability is enabled the load bank can be connected with other load banks via Modbus TCP to create a centrally controlled network.
Protective PVC cover available for additional protection during transport or storage.
Supply cables made to order to the desired length and with supply side connection method to suit the intended use.
Anchor bolt mounting plates available for permanent installation. (no-cost option since supplied instead of heavy duty castors)