Diesel Generators for emergency power supply
Generators for independent supply in case of power failure.
An emergency / standby generator can be started at power failure manually or automatically (AMF). By using a battery UPS system uninterruptible power supply is ensured.
Standby generators / emergency genset power systems are required and self-evident for hospitals, government agencies, data centers and other sensitive areas. Since the last major power failures and blackouts in Europe and even in Germany, the demand increased for smaller and mobile generators for emergency supply, for small and medium-sized companies, as well as for installation in single-familiy homes.
How works the changeover at power failure?
In case of mains failure or blackout, there are two ways to activate a generator:
- Manual by key switch or push of a button.
- Automatic start / stop by mains power failure
Requires an appropirate electrical installation, which can be realized easy and inexpensive by a local electrician.
Depending on the generator type and performance it is useful to install a socket for power feed near the generator site for easy connection between home grid and generator set.
Manual power switch at mains failure
For manual emergency power supply the generator has to be started by hand. In case of power failure, the installed manual mains / generator switch has to set to generator operation. There are three positions: Mains - 0 - Generator.
After returning of the power from the grid the main switch has to be returned to the grid or mains position to disconnect the generator. Then the generator set has to be stopped manually.
Automatic emergency power by mains failure (blackout)
A power generator with automatic start/stop by mains failure (AMF) option, the following described steps will do automatically:
- The grid distribution is monitored. If one or several phases of the grid fail the standby power generator is started automatically.
- When the power generator is fully operational after a time of max. 10 seconds the grid is disconnected and the output of the generator is switeched to the installation of the house automatically.
- Returns the power of the grid (mains power) and is stable the installation of the house is switched back to the grid automatically.
- Stays the grid stable for a period of 1 - 2 minutes the power generator is stopped automatically.
A display on the diesel generator or the AMF panel monitores engine, generator and mains parameters, such as voltage and frequency. The battery voltage of the starter battery is also monitored and if necessary loaded automatically.
Super silent diesel generator set with ASSS automatic start/stop by mains failure (AMF)
Manual grid or mains / generator switch with CEE socket 32A (left) and terminal box with CEE Steckdose 63A for outdoor installation
What type of generator is suitable for emergency power supply?
The electrical installation in a building is normally with three-phases and 63A fused (3x 400, 230V / 50 Hz). The various outlets (1~ 230V) in the buildings are spread across the three different phases.
A generator should be selected by the sort and power of the connected electrical consumers which are necessary in case of power failure, eg lighting, heating, telephone, computer, garage door opener, groundwater pumps, etc.
A basic distinction is between one and three-phase power generators. Single phase (1~ 230V) power generators can feed into a three-house grid (3~400V, 230V). This is useful when there are no rotary current (3~ 400V) loads, such as three-phase supply washing machines or electric pumps.
The following generators are recommended for emergency power supply in particular:
Diesel-Stromerzeuger - Silent | 3.000 U/min | luft-gekühlt |
 |
Type  |
Power | 1~ 230V | 3~ 400V | Engine type | Tank | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|---|
| MPG6000DE | 4,5 kVA | 20,0 A | - | Yanmar L100N | 13 l | 880 x 550 x 670 | 140 kg |
| MPG6000TDE | 5,0 kVA | 18,0 A | 6,0 A | Yanmar L100N | 13 l | 880 x 550 x 670 | 142 kg |
Price example :
| MPG6000DE | 4.460,00 € |
MPG6000TDE | 4.630,00 € |
|
| 2-wheel kit | 139,00 € |
2-wheel kit | 139,00 € |
|
| Manual switch mains/generator , 63A with CEE 32A socket | 710,00 € |
Special socket for ASSS | 116,00 € |
|
| Automatic power failure ASSS, 63A | 1.558,00 € |
|||
| Module 3 phase mains control | 260,00 € |
|||
| Flexible exhaust tube, 3 meters | 172,36 € |
|||
| Total: | 5.309,00 € |
6.875,36 € |
Prices incl. 19% V.A.T. ex stock Germany.
Diesel Generators - Super-Silent | 3.000 rpm | air-cooled |
 |
| Type |
Power | 1~ 230V | 3~ 400V | Engine type | Tank | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|---|
| MPS5500DE | 4,5 kVA | 20,0 A | - | Yanmar L100N | 20 l | 1.270 x 640 x 620 | 200 kg |
| MPS6000TDE | 5,0 kVA | 18,0 A | 6,0 A | Yanmar L100N | 20 l | 1.270 x 640 x 620 | 200 kg |
| MPS6000DE | 5,0 kVA | 22,0 A | - | Hatz 1B40 | 20 l | 1.270 x 640 x 620 | 200 kg |
| MPS7000TDE | 6,5 kVA | 18,0 A | 8,0 A | Hatz 1B40 | 20 l | 1.270 x 640 x 620 | 200 kg |
Diesel Generators - Super-Silent | 3.000 rpm | water-cooled |
 |
| Type |
Power | 1~ 230V | 3~ 400V | Engine type | Tank | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|---|
| MPS73DE | 6,0 kVA | 26,0 A | - | Kubota Z482 | 23 l | 1.230 x 640 x 680 | 295 kg |
| MPS83TDE | 7,0 kVA | 15,0 A | 8,0 A | Kubota Z482 | 23 l | 1.230 x 640 x 680 | 295 kg |
| MPS103DE | 9,0 kVA | 39,0 A | - | Kubota D722 | 25 l | 1.380 x 640 x 680 | 345 kg |
| MPS113TDE | 10,0 kVA | 15,0 A | 12,0 A | Kubota D722 | 25 l | 1.380 x 640 x 680 | 345 kg |
| MPS123DE | 11,0 kVA | 47,0 A | - | Kubota D902 | 25 l | 1.380 x 640 x 680 | 360 kg |
| MPS133TDE | 12,0 kVA | 20,0 A | 14,0 A | Kubota D902 | 25 l | 1.380 x 640 x 680 | 360 kg |
Emergency power generators with slow-speed diesel engines for continuous power supply (crisis prevention):
Diesel generators with slow-speed engiens (1.500 rpm) are designed for continuous operation with a more than 4-times longer lifetime. Thus the generator sets for long-term power supply are ideal for crisis prevention.
Diesel Generators - Silent-Pack | 1.500 rpm | air-cooled |
 |
| Type |
Power | 1~ 230V | 3~ 400V | Engine type | Tank | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|---|
| MPSP5DE | 4,0 kVA | 18 A | - | Hatz 1D81C | 25 l | 1.000 x 640 x 700 | 250 kg |
| MPSP5TDE | 4,5 kVA | 13 A | 5 A | Hatz 1D81C | 25 l | 1.000 x 640 x 700 | 250 kg |
| MPSP15TDE | 13,5 kVA | 22 A | 16 A | Hatz 2L41C | 60 l | 1.300 x 800 x 930 | 480 kg |
| MPSP22TDE | 20,0 kVA | 32 A | 23 A | Hatz 3L41C | 67 l | 1.500 x 800 x 930 | 590 kg |
| MPSP30TDE | 27,0 kVA | 43 A | 31 A | Hatz 4L41C | 73 l | 1.700 x 800 x 960 | 680 kg |
Diesel Generators - Super-Silent | 1.500 rpm | water-cooledParticularly quiet generator sets with KUBOTA Diesel engines in rugged weather and soundproof enclosures with large-sized tanks. |
 |
| Type |
Power | 1~ 230V | 3~ 400V | Engine type | Tank | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|---|
| MPS8DE | 7,2 kVA | 32 A | - | D1105 | 63 l | 1.500 x 640 x 900 | 475 kg |
| MPS9TDE | 8,5 kVA | 12 A | 10 A | D1105 | 63 l | 1.500 x 640 x 900 | 440 kg |
| MPS11DE | 10,0 kVA | 43 A | - | D1703M | 73 l | 1.700 x 740 x 1.000 | 600 kg |
| MPS14TDE | 13,0 kVA | 19 A | 15 A | D1703M | 73 l | 1.700 x 740 x 1.000 | 600 kg |
| MPS18DE | 16,0 kVA | 70 A | - | V2203M | 80 l | 1.980 x 740 x 1.000 | 700 kg |
| MPS20TDE | 19,0 kVA | 27 A | 22 A | V2203M | 80 l | 1.980 x 740 x 1.000 | 700 kg |
| MPS33TDE | 30,0 kVA | 46 A | 34 A | V3300 | 120 l | 2.090 x 1.040 x 1.250 | 1.025 kg |
| MPS32DE | 29,0 kVA | 125 A | - | V3300 Turbo | 120 l | 2.090 x 1.040 x 1.250 | 1.060 kg |
| MPS40TDE | 36,0 kVA | 56 A | 41 A | V3300 Turbo | 120 l | 2.090 x 1.040 x 1.250 | 1.050 kg |
Other power units with low-speed engines, from maufacturers such as YANMAR and DEUTZ by clicking here:
-> Diesel Generator Sets (1500 / 1800 rpm)
Benefits of MITTRONIK Power Generators:
- Reliable, proven diesel engines from renowned manufacturers
- High-quality generators from Leroy Somer, Sincro or Mecc Alte with a clean output voltage*
- Rugged construction of frame / housing
- Production in the European Union (EU)
- Numerous references to the UN, NATO, Red Cross, etc.
* The voltage and frequency tolerances of the generators are significantly better than the public electricity network.
Where can an emergency generator be installed?
An emergency generator can be used in many places. Enclosed (super silent) generators can easily placed outdoors. For all generators a protected accommodaton under a roof, in a shed, garage or basement is recommended.
By operation of a generator in closed roomes it has to be ensured, that all exhaust gases are led through a dense exhaust pipe to the outside, and that appropriate incoming air and combustion air quantities are guaranteed.
Are you interested in a generator? We look forward to your request!
For your requirements suitable equipment and options, our experienced technicians will acquire you appropriate proposals. Just send us an email or use our contact form. We will contact you as soon as possible.
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