AC Load Bank Range


HACA Range


  • 400kW - 500kW
  • 800kW - 1000kW
  • 1200kW - 1500kW







The Dual Operation Resistive HACA Range

Auto Load Regulation & Manual Load Control

The HACA load bank range are designed for fixed installations to provide resistive load testing of generators and UPS systems.

Rated for 400kW to 1500kW, 415V, 480V, 600V, 50Hz or 60hz.

Units incorporate vertical force cooling with high powered resistor elements controlled via Manual panel mounted switches or Automatic load regulation to prevent genset wet stacking.

HACM Range


  • 3kW - 10kW
  • 20kW - 30kW



The Portable HACM Range

Single phase & 3 phase

The HACM portable load bank range are small, lightweight and low cost, allowing for testing of single & three phase UPS systems and small generators.

Rated for single phase 240V AC 10kW & 30kW, three phase 415V AC from 3kW to 30kW and also 3phase 220V 50/ 60Hz.

HAC Range


  • 30kW
  • 100kW
  • 200kW
  • 550kW

iHHC Hand Held Controller

ACLoadView

The outdoor resistive HAC range are a compact low cost solution to on-site AC testing of UPS and generators.

Simple control via iHHC3 - Hand Held Controller giving 1kW load step resolution.



  • 30kW
  • 100kW
  • 200kW
  • 550kW

iHHC Hand Held Controller

ACLoadView

The Outdoor Resistive HAC Range are a compact low cost solution to on-site AC testing of UPS and generators.

Simple control via iHHC3 - Hand Held Controller giving 1kW load step resolution.

  • 3kW - 10kW
  • 20kW - 30kW

The Portable HACM Range

Single phase & 3 phase

The HACM portable load bank range are small, lightweight and low cost, allowing for testing of single & three phase UPS systems and small generators.

Rated for single phase 240V AC 10kW & 30kW, three phase 415V AC from 3kW to 30kW and also 3phase 220V 50/ 60Hz.

  • 400kW - 500kW
  • 800kW - 1000kW
  • 1200kW - 1500kW

The Dual Operation Resistive HACA Range

Auto Load Regulation & Manual Load Control

The HACA load bank range are designed for fixed installations to provide resistive load testing of generators and UPS systems.

Rated for 400kW to 1500kW, 415V, 480V, 600V, 50Hz or 60hz.

Units incorporate vertical force cooling with high powered resistor elements controlled via Manual panel mounted switches or Automatic load regulation to prevent genset wet stacking.


Hillstone design & manufacture an extensive range of load banks for AC - UPS & Genset testing.

From the UK factory & rental depot our global presence is provided with sales partners across the world, including Hillstone Ireland in Dublin.

Additional partner representation in Europe, Middle East and the Far East provides a local presence in Holland, Qatar and Saudi Arabia.

Application Note 1

Regular load bank testing of generators provides an essential health check service to prevent diesel engine failure due to wet stacking.
Wet stacking occurs due to under loading of the genset which results in wet un-burned fuel building up in the engine.
This fuel build up will over time line the combustion chamber cylinders and cause a reduction of the engines rating and efficiency which will ultimately cause premature failure of the generator. Running the generator on load of 50% - 100% of the genset rating will allow the engine to reach the recommend operating temperature, which will burn off the choke deposits.