Diesel generator ESE 280 TV

Power factor
Engine manufacturer
Volvo Penta
Power (kVA)
280 / 252
Power (kW)
224 / 201
Standard voltage
400 / 230 V
1500 rpm
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Series Power KVA Amperage Engine manufacturer Power KW
ESE 770 TV770 / 6931004Volvo Penta Stage II616 / 554
ESE 720 TV720 / 648939Volvo Penta576 / 518
ESE 700 TV700 / 630913Volvo Penta560 / 504
ESE 650 TV650 / 585848Volvo Penta520 / 468
ESE 560 TV560 / 504730Volvo Penta448 / 403
ESE 500 TV500 / 450652Volvo Penta400 / 360
ESE 450 TV450 / 405587Volvo Penta360 / 324
ESE 415 TV415 / 373540Volvo Penta332 / 298
ESE 390 TV390 / 351508Volvo Penta312 / 280
ESE 350 TV350 / 315456Volvo Penta280 / 252
ESE 280 TV280 / 252365Volvo Penta224 / 201
ESE 225 TV225 / 202292Volvo Penta180 / 162
ESE 200 TV200 / 180261Volvo Penta160 / 144
ESE 170 TV170 / 153221Volvo Penta136 / 122
ESE 145 TV145 / 130188Volvo Penta116 / 104
ESE 112 TV112 / 100145Volvo Penta90 / 80

Technical details

The diesel generator ESE 280 TV produced by Endress Group Romania under the Zenessis brand is equipped with VOLVO TAD734GE engine, Marelli MXB-E 250 MB4 / Strathon ECO 280 KW alternator and INTELILITE AMF 25 control system, which ensures the starting of the generator, control of parameters, in manual or automatic system. The generator can be supplied with remote control and monitoring as well as other options. Zenessis power generators are guaranteed for 36 months, up to 2000 operating hours.

Standard features

Command & control panel with measurement & metal control devices, protection class IP54
Static battery charger
Dynamic battery charging alternator
Controlled thermostat heater for coolant
Oversized start battery
Emergency stop button
Chassis with fuel tank sized for 8hrs of autonomy
Vibration dampers
Fuel level measuring device
Electrical lines protected with tubing & gland
Residential silencer
Access doors on all 4 sides provided with locks
Crane or forklift handling system
Flameproof and soundproof insulation
Protective pads
Metal hinges

Volvo diesel engine


No. of cilinders & arrangement6 in linie
Induction systemDirect injection with turbocharger
Cooling system With water
Standby power (kWm)238 KWh
Speed (rpm)1500 rpm
Displacement (l)7.15 (I)
Bore & Stroke (mm)108 x 130 mm
Compression factor17 : 1
Regulator Electronic
Total oil capacity (l)29 (I)
Engine coolant capacity 42 (l)
Fuel consumption at 100% prime load50 (l / h)

Standard features

Alternator Marelli / Strathon

ModelMarelli MXB-E 250 MB4 / ECO 280 KW
Frequency (Hz)50 Hz
ConceptBrushless, 4 poles
Voltage (V)400 / 230 V
Protection classH
Excitation systemElectronic
Certification testtest EN 10204:2001

Control panel

Made in metal box, IP54 degree, with lock. The control panel is equipped with the ComAp AMF25 control module, with the possibility of starting and stopping the generator, both in automatic and in electric mode. The control panel monitors the power grid and can command and control the ATS panel (automatic transfer switch).

Control panel standard specifications :

The command and control panel is mounted inside the casing, in a metal box with IP 54, equipped with a viewing glass, equipped with:

ComAp AMF 25 command module
Static battery charger
Emergency stop button & circuit breaker fuses control
Overcurrent differential protection
Protection relays

Control panel

1. Left button
2. Right button
3. Horn Reset button
4. Fault Reset button
5. Up button
6. Page button
7. 7. Down button
8. Enter button
9. Start button
10. Stop button
11. GCB button. Works in MAN and TEST modes only 12. MCB button. Works in MAN and TEST modes only
12. MCB button. 12. MCB button. Works in MAN and TEST modes only
13. Generator status indicator
14. GCB On. Green LEDs are on if GCB is closed and Gen-set is healthy
15. Load
16. Graphic B/W display, 132 x 64 pixeli
17. Mains status indicator
18. MCB On. The green LEDs are “on” when the MCB is closed and the network is within the preset parameters.

Command module standard specifications:

Microprocessor control
132 x 64 pixeli LCD display
Programming on front panel as well as through PC software
Control buttons and soft touch navigation
Remote communication via USB or with optional modules via RS232, RS485, Ethernet or SMS
Store 180 events with date and time
Maintenance programming 3 levels
Engine heater control –Optional



1. ComAp AMF25 command module
2. Circuit Breaker protection
3. Locks
4. Alarm
5. START button ON / OFF
6. Hinges
7. Maintenance schedule
8. Metal box


Engine – engine speed; oil pressure; coolant temperature; running time; battery voltage; maintenance data.
Alternator – voltage (L – L, L – N); current (L1 – L2 – L3); frequency; kW; Pf; kVAr; kWh,kVAh, kVarh; phase sequence.
Main network – voltage (L – L, L – N); frequency, mains ready; mains off; generator set ready, generator set disconnected, active power kW, apparent power kVA, reactive power kVA r, power factor, phase sequence.
Warning – battery faulty charging, low battery voltage, fail to stop, low fuel level, overload, phase reversing, speed sensor failure.
Alarms – low oil pressure, high engine temperature, under / over voltage, under / overfrequency, under / overvoltage, ECU fault -optional.
Status displays – missed start, emergency stop, low oil pressure, high engine temperature, under / overspeed, under / overfrequency, under / overvoltage, oil sensor, phase rotation, overload, overcurrent group, phase reversal.

Static battery charger:

Made with TSD technology, with high efficiency. Protected for short- circuit currents, it can be used as a current source, input voltage 196-264 V, output voltage 27.6 V / 5A or 13.8 V / 5A.


Electrical safety / EMC, BS EN 60950; BS EN 60950 – 6 – 2 EMC; BS EN 61000 – 6 – 4 EMC.


Made of galvanized steel, electrostatically painted, acoustically insulated
Modular design with interior access doors on all sides of the generator
Residential type muffler mounted inside the housing
The housing are designed to optimize the cooling of the engine and alternator assembly, and can be mounted outdoors, providing protection against weathering and low noise levels.


1. Command module
2. View window
3. Access door for control module
4. Points for crane lifting (optional)
5. Spaces for handling with the forklift
6. Usa acces motor si alternato
7. Air intake grills
8. Handles provided with locks
9. Fuel supply bus (optional)
10. „Sleigh chassis” fitted with lifting/pulling holes
11. Emergency button
12. Exhaust Gas Valve
13. Cable access space
14. Hot air outlet grills
15. Protective pads

Dimensions and weight

Dimensions and weight of open genset

Sizes (length x width x height) (mm)3500 x 1262 x 1670
Weight (kg)2100
Fuel tank capacity (liters)400

Dimensions and weight of the closed genset

Sizes (length x width x height) (mm)3500 x 1262 x 2000
Weight (kg)2700
Fuel tank capacity (liters)400

Optional features

Electrical panel anti-condensation heating system
Fuel / oil heating system
Coolant heating circulation pump
Oil drain pump
Remote monitoring & control system
AAR transfer panel with 3/4 poles
3/4 pole differential protection
Sokets 400 V/ 230 V
Fuel filter with water detection
Bypass panel – ENDRESS patented invention – OSIM patent 00010 / 2012
Start by remote control
Groundless protection
Interior lightings with switches operated at doors opening
Liquid retention tray
Liquid leakage detection sensor
Motorized ATS, ENDRESS patented invention – OSIM patent 00048 / 2015
Exterior fuel filler cap with lock
Pocket system integrated in the chassis for lifting with forklift
Fire extinguisher with internal housing support
Super soundproof housing
Intake air heating spark plug
Grounding electrodes
Fuel transfer automatic pump
Mobile distribution panel with 4 sockets
Cable reel
Fire detector with automatic shutdown generator set
Fire extinguishing system with inert gas

Optional: RAR approved auto trailer

Model: EGR 3500

Endress Group Romania S.R.L. certifications:

ISO 9001 : 2008, ISO 14001 : 2005, ISO 18001 : 2008.

ZENESSIS generator sets are CE compliant, and are tested according to EU noise legislation 2000/14/EC.

Reference ambient conditions: 1000 mbar; 25° C; 30% relative humidity; power according to ISO 3046 / ISO 8528 standards

Prime power (PRP) – ISO 8528

Primary power (PRP) – is the continuous power that a generator is capable of supplying continuously while supplying a variable electrical load when operating for an unlimited number of hours per year under agreed operating conditions, within the maintenance intervals and procedures prescribed by the manufacturer.

Standby power (ESP) – ISO 8528

Standby power (ESP) is the maximum power available at a variable load, under the operating conditions provided, that a generator is able to provide in case of power failure or under test conditions, maintenance intervals and procedures being performed as prescribed by the manufacturer.

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