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BlackStone OFB 8500 D-ES - 6.3 kW Diesel Power Generator with AVR - DC 6 kW Single-phase + ATS

Questions & Answers (5)
ID: K601408

EAN: 9999991092457

MPN: OFB 8500 D-ES

8,9/10
After-sales assistance & Spare parts
BlackStone OFB 8500 D-ES - 6.3 kW Diesel Power Generator with AVR - DC 6 kW Single-phase + ATS
+80 sold
FREE
2 bottles of 1 L oil each2 bottles of 1 L oil each
Power supply
Diesel
Electric Current
Single-phase
Single-phase rated power
6 kW
Max. power
6.3 kW
Automatic Transfer Switch (ATS)
Yes - outer
AVR technology
Yes
Alternator casing
copper
Electric start
Yes
Motor brand
Producer-manufactured
Motor Model
D500E
Cubic capacity
498 cm³
Nominal power
13 HP
Battery charger
Yes
Product Features
Model:
OFB 8500 D-ES
Power supply:
Diesel
Type:
Fixed
Electric Current:
Single-phase
Voltage stabiliser:
AVR
Alternator casing:
copper
Frequency:
50 Hz
Automatic Transfer Switch (ATS):
Yes - outer
AVR board:
Yes
Single-phase rated power :
6 kW
Max. power:
6.3 kW
Electric start:
Yes
Manufacturing country:
China
Motor data
Motor Model:
D500E
Cubic capacity:
498 cm³
Nominal power:
13 HP
Fuel:
Diesel
Power supply:
Overhead valve OHV
Engine lubrication system:
Oil bath
Decompression system:
Automatic
Manufacturing country:
China
Equipment
Automatic Transfer Switch (ATS):
Yes - outer
AVR technology:
Yes
Battery charger:
Yes
CEE power outlets:
1
Shuko power outlet:
2
Battery for electric start:
Yes
Electric start with key :
Yes
Recoil start system (with rope):
Yes
Tank level indicator:
yes
Voltmeter:
yes
Free gifts/extra features
Engine oil bottle for free:
2
Wooden pallet (safe shipping):
Yes
Starting keys:
2
Male Shuko + Euro plugs:
2
Instructions manual:
Yes
Dimensions and logistics
Product dimensions in cm (L x W x H):
72x51x61
Net weight:
110 Kg
Packaging:
On pallet
Original packaging/s dimensions in cm (L x W x H):
80x60x74cm
Gross weight (packaging included) :
115 Kg
Assembly time:
Assembled
Prompt Delivery
1 item in stock
Free Shipping
Estimated delivery: 08/05/2025 - 12/05/2025
Suggested price:
€ 1.654,62
€ 1.240,96
Vat included
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Description

Blackstone OFB 8500 D-ES Generator

The Blackstone OFB 8500 D-ESsingle-phase electric generator features an alternator winding in copper and can reach a maximum power of 6300 W. Turns out to be easily usable thanks to its very simple commands and thanks to its very compact shape it can be easily moved according to each need.

It has a diesel4 stroke engine with a displacement of 498 cc capable of emitting a power of 13 Hp. The ignition is facilitated thanks to a convenient electric start with keys The fuel tank may contain 11 L.

The engine respects the European EURO 5 legislation.

Equipped with AVR card: the current generator has an electronic card that automatically regulates the output voltage, keeping it constant when the load changes

ATS board included.

The generator can work at temperatures between 5° and 40° and at an altitude not exceeding 1000 m.


The generator is not designed for energy production, charging or maintaining batteries for the photovoltaic or solar panels systems (or similar); this can seriously damage the generator.

WARNING: all these models of generators that do not belong to the PROFESSIONAL series (considering the product level evaluation used by our website) are not intended for more than 3-4 hours continuous work in order not to reduce the alternator durability as well as that of one of the other machine components due to the unit overheating or wear. As regards a home or intensive use of these generators, it is important to follow the indications mentioned above. In all these conditions, we highly recommend focusing the attention on the purchase of generators renowned as PROFESSIONAL by the product level classification made in our website.

Alternator and Power Output

The alternator of the generator is built with copper winding

Maximum single-phase nominal power* emergency conditions LTP: 6.3 KW

* in case of an emergency the generator can reach this maximum power


Nominal power* in continuous running PRP: 6.0 KW

*This is the data that should be taken into consideration as an effective and constant data for the generator output (it guarantees the product an infinite duration)

The Blackstone generator is equipped with AVR board: an electric device which automatically regulates the output of tension, making it constant as the load varies.

It also comes with resistant grommets to ensure the alternator to the frame.

Engine Technical Features

Engine specifications:

Model: D500E
Type: 4 stroke, single cylinder
Displacement: 498 cc
Power: 13 Hp
Fuel: diesel
Tank: 11 L

The gas-regulating and the acceleration of the engine is made in a automatic manner via the AVR card to vary the load connected.

Focus on the engine air filter

The engine is equipped with recoil starter

Focus on the diesel tank plug and the oil one.

Main Features

The ATS board is compatible with the Blackstone silenced diesel generator series:

    • Blackstone SGB 6000 D-ES
    • Blackstone SGB 8500 D-SE

The ATS board must be connected to the electric grid and the generator.

This ATS is used in the following generator models:

This allows to compensate immediately when there is a power outage.

This features is necessary for all those cases in which, a black out for example, could create economic, material damages or major inconveniences.

It is recommended to execute the connection of the AUTOMATIC INTERVENTION BOARD to your household with the help of your electrician.

The generator is shipped in its original packaging and features the instruction manual and a generator connector

Additional Features

Tank plug

Focus on the muffler

Focus on the air filter.

Anti-vibration grommets

  • Voltage: 230 Volts
  • Frequency: 50 Hz
  • Tank capacity: 11 L
  • Size: 72x51x61 cm
  • Weight: 110 Kg

Control panel

The Blackstone power generator control panel is complete and feature-rich.

  • Voltmeter to display the current voltage output at the outlet and to display the alarm due to low oil level
  • This generator is also equipped with a battery charger suitable for charging all 12-volt batteries. WARNING: This is not a 12-volt power supply system for operating 12-volt equipment. It is a normal battery charger.
  • No. 2 16 A Shuko power sockets
  • 32 A CEE socket (this must absolutely be used for the full power of the generator, i.e. with high absorption and switching power above 3.5KW, e.g. large blenders, electric pumps, compressors, suitable welders, etc.).
  • Possibility of connection with ATS panel
  • Overload protector, to protect the machine from a possible overload
  • Pre Heater, button for pre-starting the machine
  • Electric start with keys
  • RCD panel
    Orange button (Test button)
    Blue button (Locks the lever for ignition

How To Select The Correct Power Rating Of The Generator

As far as the needed power is concerned, we now provide you with an handy chart to help you navigate among consumption, starting coefficients and watt.

The best criteria is to pinpoint first which are the instruments we need to power with the generator and, consequently perform a simple calculation, as explained below, to identify the needed power that the generator need to eject.

Power required = Electric appliance consumption X Breakaway starting coefficient

The starting coefficient is a fundamental characteristic of any instrument which works with electric current because it indicates how much the consumption of the object increases. Therefore, this is needed to concretely determine how many WATT are necessary during the start up operations.

Example: Compressor (1500 Watt ) X Starting coefficient (2) = 3000 Watt Hence you should orientate towards a generator which has a WATT power equal or superior to the result (*)

Check the consumption of the appliance on the instruction and maintenance manual or on the plate attached to the machine.

WARNING: the chart is purely indicative. Thanks to the formula above you can easily calculate the power a generator should deliver to connect and start some specific products and select the model of generator which best suits your needs.

Electric Generators – Warnings & Range Of Application

  • The generator can be exclusively used to power single electrical appliances (with respect to the produced KW power in relation to the absorption during the starting phase that must be lower than the power supplied by the generator).

  • The generator can be used to power household device in emergency conditions (no current service provided by the domestic household), exclusively on the models that are specifically provided with ATS (Automatic Transfer Switch) device (specifically designed for this purpose and provided with connecting systems to your household electrical power).

  • The generator was NOT designed for PROFESSIONAL use, it is therefore apt for occasional use (not frequent). The working sessions must no be over 3-4 continuous hours (which would cause the alternator to overheat and wear, especially in its internal components rotor and stator) If you need a generator for frequent use (for example once a week), the user should look towards another type of generator, specifically intended for a frequent use and precisely a PROFESSIONAL or even INDUSTRIAL quality-level generator (that is not provided with a standard 3000 rpm alternator as this models is, but one which is designed with a professional alternator with low speed; 1500 rpm - with liquid-cooled engine and alternator - which have a level of specific characteristic and price point very different from this model’s);

The generator is not designed to be installed in photovoltaic or solar energy systems for energy production nor for the recharging or maintenance of batteries of these specific or other electric systems. Indeed, it may damage seriously the generator on its internal components (alternator, engine and electrical component). Each photovoltaic system requires a generator for INDUSTRIAL use (not for domestic use as this present model), specifically designed and manufactured for this purpose. WE DO NOT PROVIDE WARRANTY on generators connected to photovoltaic systems, as this entails an IMPROPER USE OF THE UNIT.

Wheeled Version (available separately for purchase)

You can also buy among the accessories, the kit consists of wheels and handles to be applied to Blackstone current generators. This will allow all operators to be able to carry the generator with much greater simplicity minimizing any kind of stress due to the transport of the machine.

Free items & Standard equipment

Free Items Included

Complimentary:

2 bottles of 10W40 oil, specific for 4-stroke engines

Standard Features

The electric single-phase diesel generator is shipped on a pallet with its original packaging.

The package includes:

  • Operation and maintenance instructions
  • Rubber feet
  • 2 shucko sockets
  • CEE socket
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