Pramac GRW 80 I - BAU 400V diesel generator

The Pramac GRW 80 I - BAU 400V is a professional diesel generator designed for mobile use, intended for sites requiring a stable three-phase power supply, high autonomy and a robust design for daily operation in field or construction environments. The model delivers 70.4 kW of maximum power and 64.0 kW of rated power, making it well-suited for construction sites, temporary technical areas, service bases, engineering works, field sites and backup power where the generator must not simply remain stationary but actually function as a mobile power source. The technical PDF also specifically states that the model is switchable between 50/60 Hz, so it can be adapted to various usage scenarios. :contentReference[oaicite:2]{index=2}

The power unit of the model is the FPT F36ETVP02.A85 engine, compliant with Stage V standards. This is a 4-cylinder in-line diesel engine with a displacement of 3600 cm³, which operates at 1500 rpm for 50 Hz and features a turbocharging system with aftercooling. For a generator of this class, this is a very successful solution, as this configuration ensures good torque under load, stable power output and better readiness for intensive operation. An additional advantage is the electronic speed governor, which helps maintain operating parameters more accurately, whilst liquid cooling ensures a reliable temperature regime during prolonged operating cycles. :contentReference[oaicite:3]{index=3}

The generator’s electrical components are also of professional standard. The unit operates at 400/230 V, 50 Hz and is three-phase. This series features the Leroy Somer LSA 44.3 S3 with an electronic voltage regulation system, insulation class H and IP23 protection rating. The maximum current is 127 A, and the circuit breaker is rated at 160 A, making the model suitable for heavy three-phase loads: construction machinery, pumps, lighting, technical equipment, temporary power networks and other consumers requiring a stable and reliable power source. A particular advantage is that the series also supports 60 Hz / 480/277 V mode via DFS, which adds flexibility for special application scenarios. :contentReference[oaicite:4]{index=4}

For the mobile BAU version, the equipment itself is crucial, and here it is truly well thought out. The slide for this series highlights a robust galvanised soundproof enclosure with doors on all sides, single-sided maintenance access, an external tank connection, a water-separating diesel filter, a reinforced air filter, lighting for the housing and control cabinet, perimeter protection for plastic components, protection for hot parts, a galvanised base with pockets for a forklift and lifting eyes, as well as an earthing pin. It is precisely these features that set the BAU version apart: the generator is better suited to real-world use on a construction site, frequent relocation, outdoor operation and daily servicing. The technical PDF also confirms the manual battery switch, document holder, hot parts protection, lube oil drain pump, fuel valve (6-way), integrated metal tank and sealed sump with a leak sensor. :contentReference[oaicite:5]{index=5}

The practical advantage of the BAU version is also clearly evident in the fuel system. The technical PDF for this model specifies an internal metal tank with a capacity of 540 litres. At 75% load, fuel consumption is 13.28 litres per hour, and operating time is 40.66 hours. At 100% load, consumption is 17.59 l/h, and the estimated operating time is 30.70 hours. For a generator of this class, this is a very impressive figure, allowing the unit to be used not only as a backup source but also as a fully-fledged mobile working solution for long shifts without the need for constant refuelling. The Stage V version also features a 43-litre DEF tank, which is standard for modern eco-friendly configurations. :contentReference[oaicite:6]{index=6}

The GRW BAU series also emphasises load connection. The slide for the GRW 80 I - BAU specifies the socket configuration: 400 V — 1 x 16A, 1 x 32A, 1 x 63A, 1 x 125A, as well as 230 V — 2 x CEE 16A and 1 x Schuko. This is a very practical configuration for mobile use, as it allows simultaneous operation of both high-power three-phase loads and auxiliary single-phase equipment without the need for complex external solutions. The PDF for the ACP panel also specifically mentions automatic AMF mode, an emergency stop button, analogue fuel level and operating hours gauges, internal residual current protection, a battery charger, as well as a convenient power section with a large busbar and a door safety switch. This means that the model is well suited to both simple mobile power supply and more sophisticated backup systems. :contentReference[oaicite:7]{index=7}

In terms of dimensions, the canopy version measures 2800×1200×2035 mm, and weighs 2210 kg. The noise level for 50 Hz in the technical PDF is 64/93 dB, which is a good figure for a mobile generator of this class. Thanks to the combination of a large fuel tank, a robust mobile base, the Leroy Somer, Stage V FPT engine and well-designed BAU equipment, the Pramac GRW 80 I - BAU 400V is a robust solution for those who need a generator specifically for construction sites, field infrastructure or other mobile professional applications, rather than simply a stationary backup power source.