STANDBY 250 ekw 313 kva 60 Hz 1800 rpm 208 Volts

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1 DIESEL GENERATOR SET STANDBY 250 ekw 313 kva Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness. Image shown may not reflect actual package. FEATURES FUEL/EMISSIONS STRATEGY Low Fuel consumption UL 2200 UL 2200 listed packages available. Certain restrictions may apply. Consult with your Cat Dealer. SINGLE-SOURCE SUPPLIER Fully prototype tested with certified torsional vibration analysis available WORLDWIDE PRODUCT SUPPORT Cat dealers provide extensive post sale support including maintenance and repair agreements Cat dealers have over 1,800 dealer branch stores operating in 200 countries The Cat S O S SM program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products CAT 3306B TA DIESEL ENGINE Reliable, rugged, durable design Field-proven in thousands of applications worldwide Four-stroke-cycle diesel engine combines consistent performance and excellent fuel economy with minimum weight CAT GENERATOR Designed to match the performance and output characteristics of Cat diesel engines Single point access to accessory connections UL 1446 recognized Class H insulation

2 FACTORY INSTALLED STANDARD & OPTIONAL EQUIPMENT System Standard Optional Air Inlet Single stage canister type air cleaner Service indicator Dual element air cleaner Heavy duty air cleaner & muffler Light-duty air cleaner Precleaner Cooling Exhaust Radiator with guard and duct flange Coolant drain line with valve Fan and belt guards Dry exhaust manifold Flanged outlet Jack water heater Caterpillar Extended Lift Coolant Low coolant level alarm or shutdown Industrial muffler Residential muffler Critical muffler Muffler mounting kit Flexible fitting Fuel Fuel priming pump Day tanks Water separator Flexible fuel lines Fuel pressure gauge Generator Self excited Class H insulation Class F Temperature (105ºC prime/130ºc standby) VR3 voltage regulator, 3-phase sensing Permanent magnet excitation Anti-condensation space heater Terminal strip connection Extension box Oversize generators Circuit breaker, UL Listed, 3 & 4-pole with shunt trip Multiple breaker capability Governor Hydra-mechanical PSG Woodward 1724 Load sharing module Governor control motor Control Panels EMCP II EMCP II+ Customer Communication Module Local alarm and remote annunciator modules Lube Lubrication oil and filter Manual sump pump Oil drain line with valve Fumes disposal Mounting Starting/Charging General Formed steel base Linear vibration isolators between base and engine-generator Energized to Run (ETR) fuel shutoff solenoid 24 volt starting motor 35 amp charging alternator Sub base fuel tanks (single and dual wall) Heavy-duty skidable base Heavy-duty skidable base w/fuel tank Narrow base Lifting arch 5 or 10 amp battery charger Energized to Shutoff (ETS) fuel shutoff solenoid Ether starting aid Battery sets Enclosures - sound attenuated, weather protective Automatic transfer switches (ATS) CSA Certification 2

3 SPECIFICATIONS CAT SR4B GENERATOR Frame Size Excitation...Self Excited Pitch Number of poles...4 Number of bearings... Single Bearing Insulation... UL 1446 Recognized Class H with tropicalization and antiabrasion IP Rating...Drip Proof IP22 Alignment... Pilot Shaft Overspeed capability - % of rated Wave form... Less than 5% deviation Paralleling kit/droop transformer... Optional Voltage regulator...3 Phase sensing with volts/hz Voltage Regulation...Less than +/- 1/2% (steady state) Less than +/- 1% (No load to full load) Telephone Influence Factor... Less than 50 Harmonic distortion... Less than 5% CAT DIESEL ENGINE 3306B TA, I-6, 4-stroke-cycle watercooled diesel Bore - mm mm (4.75 in) Stroke - mm mm (6.0 in) Displacement - L L (637.7 in 3 ) Compression ratio :1 Aspiration... Air-to-air aftercooled Fuel System... Pump and Lines Governor type... Hydra-mechanical CAT CONTROL PANELS EMCP II 24 Volt DC Control NEMA 1, IP22 enclosure Electronically dead front Lockable hinged door Generator instruments meet ANSI C-39-1 Single location customer connection point Panel illuminating lights Auto start/stop control Voltage adjust potentiometer True RMS AC metering Digital indications for: - RPM - Operating hours - Oil pressure - Coolant temperature - System DC volts - AC volts, phase amps, Hz Shutdowns with indicating lights for: - Low oil pressure - High coolant temperature - Overspeed - Emergency stop - Failure to start (overcrank) 3

4 TECHNICAL DATA Open Generator Set rpm/60 Hz/208 Volts DM6443 Package Performance Genset Power rating with fan Genset Power 0.8 pf 250 ekw kva Fuel Consumption 100% load with fan 72.3 L/hr 19.1 Gal/hr 75% load with fan 53.8 L/hr 14.2 Gal/hr 50% load with fan 37.8 L/hr 10.0 Gal/hr Cooling System 1 Air flow restriction (system) 0.12 kpa 0.48 in. water Engine coolant capacity 15.9 L 4.2 gal Exhaust System Combustion air inlet flow rate 21.4 m³/min cfm Exhaust stack gas temperature º C º F Exhaust gas flow rate 61.5 m³/min cfm Exhaust flange size (internal diameter) mm 6.0 in Exhaust system backpressure (maximum allowable) 6.7 kpa 26.9 in. water Heat Rejection Heat rejection to coolant (total) 116 kw 6597 Btu/min Heat rejection to exhaust (total) 275 kw Btu/min Heat rejection to atmosphere from engine 55 kw 3128 Btu/min Heat rejection to atmosphere from generator 22.3 kw Btu/min Alternator 2 Motor starting 30% voltage dip Frame Temperature Rise 446 skva º C 234 º F Lube System Sump refill with filter 39.0 L 10.3 gal 1 Ambient capability at 200 m (660 ft) above sea level. For ambient capability at other altitudes, consult your Caterpillar dealer. 2 Generator temperature rise is based on a 40ºC (104ºF) ambient per NEMA MG

5 RATING DEFINITIONS AND CONDITIONS Meets or Exceeds International Specifications: ABGSM TM3, AS1359, AS2789, BS4999, BS5000, BS5514, DIN6271, DIN6280, EGSA101P, IEC34/1, ISO3046/1, ISO8528, JEM1359, NEMA MG 1-22, VDE0530, 89/392/EEC, 89/336/EEC Standby - Output available with varying load for the duration of the interruption of the normal source power. Standby power in accordance with ISO8528. Fuel stop power in accordance with ISO3046/1, AS2789, DIN6271, and BS5514. Standby ambients shown indicate ambient temperature at 100 percent load which results in a coolant top tank temperature just below the shutdown temperature. Ratings are based on SAE J1995 standard conditions. These ratings also apply at ISO3046/1, DIN6271, and BS5514 standard conditions. Fuel Rates are based on fuel oil of 35º API (16º C or 60º F) gravity having an LHV of kj/kg (18,390 Btu/lb) when used at 29º C (85º F) and weighing g/liter (7.001 lbs/u.s. gal.). Additional Ratings may be available for specific customer requirements. Consult your Caterpillar representative for details. 5

6 DIMENSIONS Package Dimensions Length mm 126 in Width mm 52 in Height mm in Weight 2361 kg 5,205 lb NOTE: For reference only - do not use for installation design. Please contact your local dealer for exact weight and dimensions. (General Dimension Drawing # ). Performance No.: DM6443 Feature Code: 306DE1B Gen. Arr. Number: Source: U.S. Sourced July Caterpillar All rights reserved. Materials and specifications are subject to change without notice. The International System of Units (SI) is used in this publication. CAT, CATERPILLAR, their respective logos, "Caterpillar Yellow," the "Power Edge" trade dress, as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.