Cressall Resistors Power Prove AC Load Banks

Power From 6kW-1350kW

Key features

Light weight, compact load bank providing 6kW of load capacity, with a manual control interface.
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Portability

At 12kg this lightweight, compact unit with lifting handle is highly portable. It neatly fits into site vans for convenience, and is easy to carry to the test locations. 

Cable stowage

With an integrated compartment to stow the supplied connection cable(s) the AC6 does not take up a lot of space either when in use or when being stored

Easy to use

Simple manual control interface enables fast set-up. Analogue meters in the AC6 provide clear real-time display of the voltage, current and frequency.

Site ready

The dual voltage (110V and 230V) version of the AC6 provides the convenience of a single piece of equipment ready to test performance of both 110V equipment and standard 230V supplies.

Key features

Compact load bank providing 30kW of load capacity, with a highly adjustable, manual control interface.
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Portability

The lightweight aluminium enclosure combined with the small frame size, castors and handles make the AC30 a highly portable unit. The four 150mm diameter fans produce an evenly distributed airflow over a short distance which enables the resistor elements to be fitted closer to the fans resulting in a compact piece of equipment. 

Easy to use

Simple manual control interface enables fast set-up. Analogue meters in the AC30 provide clear real-time display of the voltage, current and frequency, making it quick and easy to understand.

 

Phase load adjustment

Each phase of each section within the AC30 is individually switched enabling the loading on each phase to be set precisely to the required value.

1 or 3 phase

Featuring dual IEC sockets the AC30 can be loaded from a 3-phase or 1-phase AC supply at up to 30kW or 14.5kW respectively. Easily configure the load bank for the supply to be tested with a simple selector switch.

 
 

AC100-CPT load bank
100 kW AC 3-phase or 1-phase

Key features

Light weight, compact load bank providing 100kW of load capacity, power metering and data logging.

Ultra portable

The high power density of this load bank results in a construction that, at only 31kg, can be transported easily.

In addition, the included case with castors and pull handle further enhances manoeuvrability and provides protection when in storage.

Quick setup

Easy connection to the supply under test using Powersafe connectors.

The power connections are located away from the control panel so that operators can stand comfortably in front of the load bank without risk of tripping on cables.

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Data logging

The included power meter displays real-time measurements on an LCD screen and simultaneously logs the test data which can be later downloaded over the panel mounted USB socket.

Industrial reliability

The innovative cross-wire coil elements are light and durable, proven in braking applications for locomotives and mining trucks.

AC100 load bank
100kW AC 3-phase | 33kW AC 1-phase

Heavy-duty, robust load bank providing 98.75kW of load capacity, with analogue power metering.
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Portability

The heavy duty castors and handle and make this unit easy to move close to the supply under test. In addition, the narrow width of 670mm makes it possible to pass the unit through door ways.

Easy to use

Easy connection to the supply under test using Powersafe connectors. The power connections are located to the side of the control panel so that operators can stand comfortably in front of the load bank.

 

Site ready

The rugged internal stainless steel frame provides a solid base on which to manoeuvre the unit on-site.

Meter points

Voltage and current banana plug test points provide an easy way to connect external metering eqipment of your choice.

Key features

 
 
 
 

200kW load bank with integrated touchscreen control system providing the ultimate way to verify an electrical supply.

 

Advanced interface

The unique Digiload control system provides detailed insight into how the supply under test responds to load changes. All test data is recorded within the system and is exported instantly in .csv format when connecting a USB flash drive. The integrated touchscreen interface can be used to manually change the load power level or setup an automated schedule of load steps. Once created, load step sequences can be saved and recalled at any time.

Quick setup

Powersafe connectors fitted to the main load terminals make connection to the supply under test simple, fast and secure. The power connections are located away from the control panel so that operators can stand comfortably in front of the load bank without tripping over cables. With power connected, the 7” intuitive touchscreen interface enables load to be applied rapidly, with real time measurements displayed immediately.

 

Portable

Transport to any location with integrated fork lift points. Move around on-site using heavy duty castors, which are included as standard. The optional lifting frame provides additional protection to the top of the equipment enclosure and lifting eyes for use when moving the unit with a crane. Alternatively, the design can be installed in a fixed location, when requested, the heavy duty castors are replaced with mounting brackets with holes for anchor bolts.

Robust construction

The resistor elements used are from our catalogue of highly robust industrial wire coil and stamped grid technologies using stainless steel. The construction puts the cooling airflow in direct contact with the conductor surface to maximise heat transfer, thus providing the longest possible operating life for the elements. With decades of service in industry, electricity transmission and distribution systems the element technologies provide the highest level of reliability for our product.

 
 

Key features

300kW load bank with integrated touchscreen control system providing the ultimate way to verify an electrical supply.
 

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Advanced interface

The unique Digiload control system provides detailed insight into how the supply under test responds to load changes. All test data is recorded within the system and is exported instantly in .csv format when connecting a USB flash drive.  The integrated touchscreen interface can be used to manually change the load power level or setup an automated schedule of load steps. Once created, load step sequences can be saved and recalled at any time.

Quick setup

Powersafe connectors fitted to the main load terminals make connection to the supply under test simple, fast and secure. The power connections are located away from the control panel so that operators can stand comfortably in front of the load bank without tripping over cables. With power connected, the 7” intuitive touchscreen interface enables load to be applied rapidly, with real time measurements displayed immediately.

Portable

Transport to any location with integrated fork lift points. Move around on-site using heavy duty castors, which are included as standard. The optional lifting frame provides additional protection to the top of the equipment enclosure and lifting eyes for use when moving the unit with a crane. Alternatively, the design can be installed in a fixed location, when requested, the heavy duty castors are replaced with mounting brackets with holes for anchor bolts.

Robust construction

The resistor elements used are from our catalogue of highly robust industrial wire coil and stamped grid technologies using stainless steel. The construction puts the cooling airflow in direct contact with the conductor surface to maximise heat transfer, thus providing the longest possible operating life for the elements. With decades of service in industry, electricity transmission and distribution systems the element technologies provide the highest level of reliability for our product.

Key features

500kW load bank with integrated touchscreen control system providing the ultimate way to verify an electrical supply.
AC300 render -grey with lift frame.png

Advanced interface

The unique Digiload control system provides detailed insight into how the supply under test responds to load changes. All test data is recorded within the system and is exported instantly in .csv format when connecting a USB flash drive. The integrated touchscreen interface can be used to manually change the load power level or setup an automated schedule of load steps. Once created, load step sequences can be saved and recalled at any time.

Quick setup

Powersafe connectors fitted to the main load terminals make connection to the supply under test simple, fast and secure. The power connections are located away from the control panel so that operators can stand comfortably in front of the load bank without tripping over cables. With power connected, the 7” intuitive touchscreen interface enables load to be applied rapidly, with real time measurements displayed immediately.

Portable

Transport to any location with integrated fork lift points. Move around on-site using heavy duty castors, which are included as standard. The optional lifting frame provides additional protection to the top of the equipment enclosure and lifting eyes for use when moving the unit with a crane. Alternatively, the design can be installed in a fixed location, when requested, the heavy duty castors are replaced with mounting brackets with holes for anchor bolts.

Robust construction

The resistor elements used are from our catalogue of highly robust industrial wire coil and stamped grid technologies using stainless steel. The construction puts the cooling airflow in direct contact with the conductor surface to maximise heat transfer, thus providing the longest possible operating life for the elements. With decades of service in industry, electricity transmission and distribution systems the element technologies provide the highest level of reliability for our product.

Key features

1350kW load bank with integrated touchscreen control system providing the ultimate way to verify an electrical supply.
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Advanced interface

The unique Digiload control system provides detailed insight into how the supply under test responds to load changes. All test data is recorded within the system and is exported instantly in .csv format when connecting a USB flash drive. The integrated touchscreen interface can be used to manually change the load power level or setup an automated schedule of load steps. Once created, load step sequences can be saved and recalled at any time.

Quick setup

Easy access to the generous cable entry compartment via a hinged, padlock-able door makes connection to the supply under test simple, and secure. The power connections can run under the control panel so that operators can stand comfortably in front of the load bank without tripping over cables. With power connected, the 10” intuitive touchscreen interface enables load to be applied rapidly, with measurements displayed in real time.

Modular system

Multiple 1350kW modules can be installed on a common base frame to achieve the desired total power level. The control system can be a shared common on or separate. Transport to any location with integrated fork lift points. An optional base lifting frame can be provided where 2 or more modules are required and provides lifting eyes when crane lifting is preferred.

Robust construction

The resistor elements used are from our catalogue of robust, industrial level stamped grid and flat strip technologies using high grade stainless steel. The construction puts the cooling airflow in direct contact with the conductor surface to maximise heat transfer, thus providing the longest possible operating life for the elements. With decades of service in industry, electricity transmission and distribution systems the element technologies provide the highest level of reliability for our product.