diesel generator set mtu 12v4000 ds1250 1125 kwe / 60 hz / prime 380 - 4160v reference mtu 12v4000 ds1250 (1250 kwe) for standby rating technical data system ratings prime voltage (l-l) 380v 480v** 600v** 4160v phase 3 3 3 3 pf 0.8 0.8 0.8 0.8 hz 60 60 60 60 kw 1125 1125 1125 1125 kva 1406 1406 1406 1406 amps 2136 1691 1353 195 skva@30% voltage dip 2700 3100 4650 3100 generator model* 743rsl4052 742rsl4048 743rss4288 742fsm4366 temp rise 105 c/40 c 105 c/40 c 105 c/40 c 105 c/40 c connection 4 lead wye 4 lead wye 4 lead wye 6 lead wye * consult the factory for alternate con guration. ** ul 2200 o ? ered // ? emissions ? epa tier 2 certi ed // ? generator set is designed and manufactured in facilities certi ed to standards iso 9001:2008 and iso 14001:2004 // ? seismic certification ? optional ? ibc certi cation ? oshpd pre-approval // ? ul 2200 / csa ? optional ? ul 2200 listed ? csa certi ed // ? performance assurance certification (pac) - generator set tested to iso 8528-5 for transient response - veri ed product design, quality and performance integrity - all engine systems are prototype and factory tested // ? power rating - accepts rated load in one step per nfpa 110 - permissible average power output during 24 hours of operation is approved up to 75%. certifications and standards
2 // / ? / mtu 12v4000 ds1250 (1125 kwe) - prime // ? engine air cleaners oil pump oil drain extension and s/o valve full flow oil filter closed crankcase ventilation jacket water pump inter cooler water pump thermostat blower fan and fan drive radiator - unit mounted electric starting motor - 24v governor ? electronic isochronous base - structural steel sae flywheel and bell housing charging alternator - 24v battery box and cables flexible fuel connectors flexible exhaust connection epa certi ed engine // ? generator nema mg1, ieee and ansi standards compliance for temperature rise and motor starting sustained short circuit current of up to 300% of the rated current for up to 10 seconds self-ventilated and drip-proof superior voltage waveform digital, solid state, volts-per-hertz regulator no load to full load regulation brushless alternator with brushless pilot exciter 4 pole, rotating field 105 c max. prime temperature rise 1 bearing, sealed flexible coupling full amortisseur windings 125% rotor balancing 3-phase voltage sensing 0.25% voltage regulation 100% of rated load - one step 5% max. total harmonic distortion // ? digital control panel(s) digital metering engine parameters generator protection functions engine protection canbus ecu communications windows ? -based software multilingual capability remote communications to rdp-110 remote annunciator programmable input and output contacts ul recognized, csa certi ed, ce approved event recording ip 54 front panel rating with integrated gasket nfpa110 compatible standard equipment* // ? mtu onsite energy is a single source supplier // ? global product support // ? 2 year standard warranty // ? 12v 4000 diesel engine - 57.2 liter displacement - common rail fuel injection - 4-cycle // ? complete range of accessories // ? generator - brushless, rotating field generator - 2/3 pitch windings - pmg (permanent magnet generator) supply to regulator - 300% short circuit capability // ? digital control panel(s) - ul recognized, csa certi ed, nfpa 110 - complete system metering - lcd display // ? cooling system - integral set-mounted - engine-driven fan standard features* * represents standard product only. consult factory/mtu onsite energy distributor for additional con gurations.
3 // / ? / mtu 12v4000 ds1250 (1125 kwe) - prime // ? engine manufacturer mtu model 12v4000g43 type 4-cycle arrangement 12-v displacement: l (in 3 ) 57.2 (3,491) bore: cm (in) 17 (6.69) stroke: cm (in) 21 (8.27) compression ratio 16.5:1 rated rpm 1,800 engine governor electronic isochronous (adec) max. power: kwm (bhp) 1,520 (2,038) speed regulation 0.25% air cleaner dry // ? liquid capacity (lubrication) total oil system: l (gal) 260 (68.7) engine jacket water capacity: l (gal) 160 (42.3) after cooler water capacity: l (gal) 40 (10.6) system coolant capacity: l (gal) 583 (154) // ? electrical electric volts dc 24 cold cranking amps under -17.8 c (0 f) 2,800 // ? fuel system fuel supply connection size #16 jic 37 female 1? npt adapter provided fuel return connection size #16 jic 37 female 1? npt adapter provided max. fuel lift: m (ft) 1 (3) recommended fuel diesel #2 total fuel flow: l/hr (gal/hr) 960 (254) // ? fuel consumption at 100% of power rating: l/hr (gal/hr) 309 (81.5) at 75% of power rating: l/hr (gal/hr) 238 (62.9) at 50% of power rating: l/hr (gal/hr) 176 (46.4) // ? cooling - radiator system ambient capacity of radiator: c (f) 50 (122) max. restriction of cooling air: intake and discharge side of rad.: kpa (in. h 2 0) 0.12 (0.5) water pump capacity: l/min (gpm) 1,117 (295) after cooler pump capacity: l/min (gpm) 583 (154) heat rejection to coolant: kw (btum) 504 (28,662) heat rejection to after cooler : kw (btum) 333 (18,937) heat radiated to ambient: kw (btum) 133 (7,562) fan power: kw (hp) 36.7 (49.2) // ? air requirements aspirating: *m 3 /min (scfm) 126 (4,450) air flow required for rad. cooled unit: *m 3 /min (scfm) 1, 416 (49,997) remote cooled applications; air flow required for dissipation of radiated generator set heat for a max. of 25 f rise: *m 3 /min (scfm) 486 (17,054) * air density = 1.184 kg/m 3 (0.0739 lbm/ft 3 ) // ? exhaust system gas temp. (stack): c (f) 400 (752) gas volume at stack temp: m 3 /min (cfm) 306 (10,806) max. allowable back pressure: kpa (in. h 2 0) 8.5 (34.1) application data
4 // / ? / mtu 12v4000 ds1250 (1125 kwe) - prime system dimensions (l x w x h) weight (dry/less tank) open power unit (opu) 6,170 x 2,260 x 2,900 mm (242.88 x 89 x 114.25 in) 13,786 kg (30,392 lb) ? mtu onsite energy. subject to alteration due to technological advances. oe 23 708 (77 3e) 2015-12 emissions data no x + nmhc co pm 5.26 0.45 0.06 all units are in g/hp-hr and shown at 100% load (not comparable to epa weighted cycle values). emission levels of the engine may vary with ambient temperature, barometric pressure, humidity, fuel type and quality, installation parameters, measuring instrumentation, etc. the data was obtained in compliance with us epa regulations. the weighted cycle value (not shown) from each engine is guaranteed to be within the us epa standards. rating definitions and conditions // ? prime power ratings apply to installations where utility power is unavailable or unreliable. at varying load, the number of generator set operating hours is unlimited. a 10% overload capacity is available for one hour in twelve. ratings are in accordance with iso 8528-1, iso 3046-1, bs 5514, and as 2789. average load factor: 75%. // ? deration factor: altitude : consult your local mtu onsite energy power generation distributor for altitude derations. temperature : consult your local mtu onsite energy power generation distributor for temperature derations. weights and dimensions sound data unit type prime full load level 0: open power unit db(a) 91.8 drawing above for illustration purposes only, based on standard open power 480 volt generator set. lengths may vary with other voltages. do not use for installation design. see website for unit speci c template drawings. c/f = consult factory/mtu onsite energy distributor n/a = not available weights and dimensions are based on open power units and are estimates only. consult the factory for accurate weights and dimen sions for your speci c generator set. sound data is provided at 7 m (23 ft). generator set tested in accordance with iso 8528-10 and with in nite exhaust. mtu onsite energy a rolls-royce power systems brand www.mtuonsiteenergy.com
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