ElectRA 2200SX
ElectRA 2200SX |
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Designer/Model | Robert Allan Ltd./ElectRA 2200SX |
Length o.a | 22.40 m |
Beam moulded | 10.84 m |
Draft navigational | 4.93 m |
Fuel oil capacity | 19 m3 |
Backup Genset Power | 1 x 940 ekW |
Speed ahead | Approx 12 Knots |
Bollard pull ahead | Up to 45 Tonnes |

ElectRA 2200SX
Hailed as the ‘Tug of the Future’, the ground-breaking electric-powered ElectRA Series of harbour tugs is the first of a new generation of emissions-free tugboats from Sanmar Shipyards that will have a major impact on cutting emissions in any busy harbour they work in.
ElectRA tugs, available in a range of sizes and power outputs, are the result of Sanmar’s ongoing collaboration with Canadian naval architects Robert Allan Ltd (RAL) and battery energy storage company Corvus Energy to build low and no-emission tugs utilising alternative fuels and innovative technological advances to protect the environment and build a sustainable tug and towing industry.
Proving that zero-emission propulsion is no longer a future aspiration, but a fully viable solution that can be achieved with no loss of power or performance, the tugs in this exclusive to Sanmar series can be carefully customized for individual customers’ specific needs, with capacities carefully tuned to each vessel’s unique load profile.
As is traditional with RAL designs, each version of the ElectRA is denoted by its LOA in metres, with the series at present comprising five variants – the 1900SX, 2200SX, 2300SX, 2500SX and 2800SX – with ESS battery bank capacities ranging from 1.718 kWh to 6.102 kWh and bollard pulls ranging from 40 to 84 tonnes.
The tugs reduce emissions of CO2 by approximately 10,000 tonnes per annum compared to diesel powered alternatives, with major reductions of NOX, SOX, CO, and particulate matter as well. Battery propulsion also makes them exceptionally quiet, both on board and in terms of underwater radiated noise, further enhancing their eco and marine and wildlife-friendly credentials.
The entire range is outfitted to a very high standard of accommodation, with spacious dedicated cabins and ensuites for all regular crew, all with natural light, and well in excess of regulatory standards.
Technical Details
Length overall | 22.40 m |
Beam moulded | 10.84 m |
Depth moulded | 4.40 m |
Draft navigational | 4.93 m |
Draft hull | – |
Fuel oil | 19 m3 |
Fresh water | 7.7 m3 |
Foam | 6.5 m3 |
Sewage | 5.7 m3 |
Sludge | 1.8 m3 |
Oily water | 1.8 m3 |
Backup Genset Power | 1 x CAT C32 940 ekW@1800 rpm IMO Tier III |
Energy Storage Capacity | 1720 kWh |
Thrusters | Schottel SRP 340 LE FP |
Propellar dia | 2100 mm |
Nozzles | high efficiency, Schottel “VarioDuct” Nozzle material : shipbuilding steel, Inner surface material : stainless steel |
Steering | Electric, permanent magnet, VFD driven |
Silencer | high attenuation, minimum 35 dB at 125 Hz octave band total attenuation including SCR |
Bollard pull (Ahead) | 45 Tonnes |
Bollard pull (Astern) | – |
Speed (Ahead) | 11.8 knots |
Speed (Astern) | – |
Make/model | – |
Power | – |
Fwd Winch | DMT TW-E250KN |
Main technical data: | |
– Towing part (one split working / storage towing drum) | |
– High pull / low speed /1st layer : 250 kN / 0-9 m/min | |
– Low pull / high speed /1st layer : 80 kN/0-28** m/min | |
– Brake holding force / 3rd layer : 1250kN(100%xwireMBL) | |
– Storage capacity synthetic rope Ø40 : 2×210 /7 layers | |
Electric necessary power supply: | |
– Nominal power : 45 kW | |
– Rotation speed : 1000 rpm at 50 Hz | |
– Power supply : 400 V / 0-155 Hz | |
Tow Hook | DATA DTH 50-120P |
Aft tow hook – disc type, safe working load 50 tonnes local/wheelhouse pneumatic type quick release mechanism | |
Wire Winch | DATA DTC 4000 EP-L |
Electrical driven wire winch with a single drum Size of drum Ø300mm and drum length 340mm Manual operated dog clutch Brake holding load 100kN on the 1st layer |
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Deck Crane | PALFINGER Model : PK 11001M-C |
Marine type Palfinger PK 11001M-C with winch and radio control telescopic boom crane {Stainless steel fittings). Approx. 0,5 ton pull at 10m outreach/ 0,5 tonnes at 10m. Independent electro• hydraulic pump set. |
GMDSS,Radios,Navtex,Distress Signals,Internal communications,
2 x X-band ARPA Radar (2 x Furuno radar FAR-1518 BB)
1 x Autopilot (SIM RAD AP 70 Mk 2)
1 x Furuno doppler speed log DS-80 (it’s not required by rules)
1 x weather station (Airmar 200WX)
1 x satellite compass (Furuno SC-70)
1 x DGPS (Furuno GP-170)
1 xAIS, Class A (Furuno FA-170)
1 x echo sounder(Furuno FE 800)
1 x Doppler speed log (Furuno DS-85)
1 x magnetic compass (Reflecta/3)
1 x SSAS/LRIT (FELCOM 19)
1 x BNWAS(Furuno BR-500)
2 x VHF (Furuno FM-8900S)
2 x Mini ECDIS (Telko CoastaE 2224)
Unattended machinery space according to ABS ABCU notation. LED panels at mess room and chief engineer cabin. Extended operation of electrical system, essential pumps and engine room fans can be controlled from wheelhouse.
Pump – 1x 1200 m3/hour at 110 mwc Fire‐fighting pump with transmission and remote operated clutch. Model: SFP 250x350XPC Type: Horizontal centrifugal |
Monitors- 2 x 600 m/hour water/ 150 m3/ hour foam remote electric operation/local hand-wheels |
Foam system- configured for 3% AFFF concentrate around the discharge valve foam eductor |
Auxiliary equipment- Outfits, breathing air compressor |
Bilge seperator |
Fuel seperator |
Twin double navigational lights facing fore and aft |
Remote operated searchlights fore and aft |
Stainless steel galley seperated by steel bulkheads |
High attenuation engine silencer |
Single engine room fan |
Bow – cylindrical: 800 mm outside diameter x 400 mm inside diameter.
“W” fender: 480 mm wide x 300 mm thick
“D” fender with “D” bore: 300 mm x 300 mm “W” fender: 480 mm wide x 300 mm thick
box cooler cooling
Backwash of the box coolers, with the use of fire/ballastpump separate cooling systems for:
port and starboard drive unit
generator set propulsion switchboard HVAC
engine driven
electric driven primary/standby pumps for other circuits, preferably of Desmi or Allweiler brand)
3 cabins for 3 officers + 1x Pullman berth. Total 4 persons, lounge/mess, galley, stores, laundry, HVAC room and WC’s and shower. North European Standards in Comfort and Quality. Heated floors on WC’s. Teak imitating IMO approved floor material.
ABS , A1, Towing Vessel, AMS, BP (45 MT), ESS-LiBattery, UWILD, ABCU
Fresh water ultraviolet sanitiser |
Vacuum toilet |
Gas Detection and Alarm system for LNG Compatibility ;
• LNG gas detectors shall be installed on open deck to sense environmental gas leakage |