£11,510 Ex Works + VAT
£11,510 Ex Works + VAT
The Grupel PL88D5 is an 88 kVA silent diesel generator designed for dependable standby and prime power in commercial, industrial and infrastructure applications. Its UK-built Perkins engine, Leroy Somer alternator, Deep Sea controller and European-made acoustic canopy provide a robust, practical power solution for UK delivery or worldwide export.
The PL88D5 delivers 88 kVA / 70 kW standby power for emergency backup applications and 80 kVA / 64 kW prime power where the generator supplies variable electrical loads for extended operating periods. These ratings make it particularly suitable for businesses requiring an industrial generator with enough capacity to support substantial three-phase equipment without moving into a significantly larger and more expensive power class.
Its emergency standby power rating is intended for variable loads during mains power failures, subject to a maximum of 200 operating hours per year and the applicable load-factor restrictions. The prime rating permits an unlimited number of annual operating hours under variable load, with a permitted 10% overload for up to one hour in every 12 hours of operation, subject to the manufacturer’s stated annual limit. The ratings are defined in accordance with ISO 8528-1:2018.
Typical applications for this 80 kVA generator include:
A professional load assessment should always be completed before purchase, particularly where motors, compressors, pumps or other equipment may create high starting currents.
At the heart of the PL88D5 enclosed generator is the Perkins 1104A-44TG2, a durable four-cylinder industrial diesel engine. This 4.4-litre, four-stroke engine uses direct fuel injection and turbocharged aspiration to provide the mechanical power required for stable electricity generation.
The UK Perkins engine operates at 1500rpm, the standard speed for a 50Hz generator of this type. Its mechanical governing system offers a straightforward and well-established arrangement that is particularly attractive to buyers prioritising serviceability and uncomplicated long-term ownership.
Key engine characteristics include:
The engine produces 73.4 kWm gross power at the prime rating and 80.7 kWm at the standby rating. Its G2 performance classification makes the PL88D5 suitable for many general industrial and commercial generating applications where dependable response to changing loads is required.
The engine is classed as unregulated for emissions. Buyers should confirm that this specification is appropriate for the generator’s destination, installation and intended application, especially where local environmental rules or project-specific emissions standards apply.
The PL88D5 canopied generator incorporates a 200-litre daily fuel tank, reducing the need for frequent refuelling during normal operation. At 100% prime load, published diesel consumption is approximately 18.2 litres per hour, producing an estimated operating time of around 11 hours from a full tank under those conditions.
Fuel consumption reduces as the electrical load falls. The manufacturer specifies approximately 14 litres per hour at 75% load and 9.7 litres per hour at 50% load. Actual consumption and runtime will vary according to loading, fuel quality, ambient conditions, maintenance and the connected equipment.
Correct generator sizing is therefore important for both reliability and operating economy. A generator that regularly runs at a sensible proportion of its rated capacity will generally provide more efficient and effective service than an unnecessarily oversized set operating continuously at a very low load.
Electrical power is produced by a Leroy Somer TAL044B alternator, a recognised industrial alternator paired with the Perkins engine to deliver a stable 400V three-phase output at 50Hz.
The alternator features Class H insulation, an IP23 protection rating and a single-bearing design with flexible-disc coupling. Standard SHUNT excitation and an R120 automatic voltage regulator provide voltage regulation of approximately ±1%. Optional excitation and AVR configurations are available where a project requires enhanced voltage regulation or improved short-circuit capability.
Waveform distortion is specified at below 2% with no load and below 5% when supplying a balanced linear load. These characteristics support dependable operation across a wide range of conventional commercial and industrial electrical systems.
The generator supplies 126.7A per phase at its rated three-phase output. It is fitted with a 125A circuit breaker; the 125A figure shown on the manufacturer’s data sheet refers to the installed breaker size rather than the calculated current available on each phase.
The PL88D5 silent generator is housed within a purpose-built acoustic canopy that helps protect the equipment while reducing operational noise. The published acoustic pressure level is 80 ± 2 dB(A) at 1m and 72 ± 2 dB(A) at 7m.
This makes the PL88D5 canopied suitable for locations where an open generator would be impractical, including occupied commercial sites, urban facilities, farms, workshops and construction projects near neighbouring properties. Site-specific acoustic requirements should still be reviewed because walls, buildings, hard surfaces and nearby structures can reflect sound.
The enclosed configuration also gives the engine, alternator and control equipment greater protection from weather and accidental contact than an open generator set. Adequate clearances must nevertheless be maintained around the canopy to support cooling airflow, exhaust discharge, safe servicing and unrestricted access to doors and panels.
Generator operation and monitoring are managed through a Deep Sea 4520 control panel. It supports manual or automatic starting, remote start through a dry contact and automatic operation following a mains failure when incorporated into a correctly configured standby power system.
The controller displays and monitors essential information including:
Protective shutdowns and alarms cover conditions such as failure to start, low oil pressure, high engine temperature, overspeed, underspeed, overload, low fuel level, and generator overvoltage or undervoltage. PIN protection and a real-time clock further support controlled operation and fault investigation.
Optional communication upgrades include Ethernet, 4G LTE, GPS and SNMP-compatible connectivity using the appropriate Deep Sea expansion modules. These options can be valuable for unattended sites or organisations seeking remote generator visibility.
Despite its substantial output, the PL88D5 enclosed generator has a manageable footprint. It measures 2330mm long, 1015mm wide and 1605mm high, with a dry weight of 1417kg.
These dimensions should be considered alongside lifting access, delivery vehicle requirements, foundation design, ventilation, exhaust routing and maintenance clearances. The generator must be positioned on a suitably engineered, level base capable of supporting its operational weight.
Manufactured in Europe and built around established Perkins, Leroy Somer and Deep Sea components, the PL88D5 combines recognised power-generation equipment in a practical soundproof package. For organisations seeking an 88 kVA Perkins diesel generator, it offers a strong balance of power, fuel capacity, acoustic performance and straightforward control for dependable standby or prime electricity generation.
* at 100% prime rated load
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