Power explanations according to ISO 8528 standard:

Ambient conditions according to standard ISO 8528-1: 2005: 1000 mbar, 25ºC, 30% relative humidity

Prime Power (PRP)

Maximum power which a generating set is capable of delivering continuously whilst supplying a variable electrical load when operated for an unlimited number of hours per year according to ISO 8528. 10% overload capability is available for a period.

Emergency Standby Power (ESP)

Maximum power at variable load under the operating conditions for which a generator set is capable of delivering, up to 200 operating hours per year, according to ISO 8528. Overload is not allowed.

Energen standby generator sets comply with European standards:

-2006/42/EC Machinery Directive;
-2014/35/EU Low voltage Directive;
-2014/30/EU Electromagnetic Compatibility;
-2000/14/EC Noise level for outdoor equipment (completed by Directive 2005/88/EC);
-EN ISO 12100:2010, EN ISO 13857:2008, EN 60204-1:2006/AC:2010;

Motor type : diesel
Phase : three-phase
Portability : stationary
Frequency : 50 Hz
Cooling system : water-cooled
Applications : emergency
Options and accessories : soundproofed, open type, outdoor
Emissions level : Stage II
Length : 485 cm (190.94 in)
Rotational speed : 1,500 rpm (9,425 rad.min-1)
Width : 160 cm (62.99 in)
Power in kVA : 500 kVA, 525 kVA (679.81 hp)
Height : 227 cm (89.4 in)
Voltage : 400 V
Weight : 3,690 kg, 4,590 kg (8,135.06 lb)
Rated capacity : 400 kW, 420 kW (543.8 hp)