AT-Series Alternators Designed for Recreational Applications

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1 Designed for Recreational Applications 165A or 200A in a Small ase Package Up to 125A at dle Speeds 25% More fficient Dual an ooling, igh Airflow rame Maximum RPM: 12,000 deal for arge Battery Banks AT ( Advanced Technology ) Series Alternators from Balmar bring together the latest innovations in alternator design to deliver incredible charging power in a compact, Marine-friendly package. Advanced airpin Stator AT-Series Alternators feature a unique hairpin-wound stator design which uses densely wound square copper wire to generate exceptional output in the smallest possible area. airpin-wound stators feature 96 slots - compared to 36 slots in a traditional S-wound stator allowing the hairpin-wound stator to develop superior electromagnetic energy and efficiency superior to other traditional stator designs. AT-Series Alternators also feature a dozen 50A capacity, externally mounted avalanche diodes, dual internal fans, and massive heat sinking designed to ensure essential cooling under high load demands. Scaled to fit in most original position installations, AT-Series Alternators are available in all four common mounting styles. See the charts on pages 4 & 5 for complete alternator dimensions. Traditional S-Wound Stator The AT Alternator may require a Tachometer Signal Stabilizer (Part No. 15-TSS) if your current tachometer is not adjustable. AT-Series Alternators should only be used in Dual Vee or Multi- roove Serpentine belt configurations. Balmar s growing range of Altmount Serpentine Pulley onversion its support all AT-Series Alternators. AT-Series Power Take Off 165 A 5.2 P 200 A 6.0 P Mounting ndividual Alternator Part Number (1)(3) Alternator it with Max harge Regulator (2) 1-2 Spindle AT-S-165-XX AT-S-165-XX-T 3.15 Saddle AT-D-165-XX AT-D-165-XX-T 1-2 Spindle AT-S-200-XX AT-S-200-XX-T 3.15 Saddle AT-D-200-XX AT-D-200-XX-T 4 Saddle AT-D4-200-XX AT-D4-200-XX-T Altmount Pulley it Required? Yes, f DV or Serpentine is Not Present (1) XX Pulley Designations: DV = 1/2 Dual Vee, 6 = 6 Serpentine, 10 = 10 Serpentine. (2) it ncludes AT-Series Alternator, Max harge Regulator (M-614-) and Temperature Sensors (M-TS-A, M-TS-B). (3) The AT-Series Alternator may require a Tachometer Signal Stabilizer (Part No. 15-TSS) if our current tach is not adjustable. 1

2 AT-Series Alternators ow to Select the orrect Balmar harging System for Your Vessel Step 1: Determine your lectrical oad All your device loads and expected duty cycles will clarify your expected daily battery discharge requirements. Add a safety factor. (A) Step 2: dentify your Battery Bank Technology and apacity A ow many batteries are in your bank and what is the total storage capacity? What type of batteries are employed? (Different technologies require different charging programs) Step 3: Select your Alternator The correct charging load depends on the battery technology and capacity. or example, an AM battery can accept a 40% charge load, so a 300Ah bank of AMs can accept 120A of charging from the alternator. Therefore you could utilize a 120A alternator to charge your bank as quickly as possible. (B) B Step 4: dentify the Alternator Mounting Style Present on your ngine The most common mounting styles are shown to the right: (A) 1 Single oot (Spindle Mount) Motorola Style Balmar AT-S Series (B) 2 Single oot (Spindle Mount) Delco Style Balmar AT-S Series () 3.15 Dual oot (Saddle Mount) itachi Style Balmar AT-D Series (D) 4 Dual oot (Saddle Mount) -180 Style Balmar AT-D4 Series () Step 5: Determine your Belt and Pulley Requirements An AltMount belt/pulley conversion kit may be required to handle your alternator Power Take-Off ( PTO ) load. (D) D Detailed toolsets for calculating loads and selecting the appropriate charging system for your vessel are available in the Balmar atalog or at AT-Series Alternator Specifications Alternator Style: Small ase, Positive ield xcitation (P-Type) Positive : Threaded Stud Stud Dimensions: (AT-165: M6-1.0) (AT-200: M8-1.25) Regulation: xternal P-Type (M-614) amp : D+ (low voltage / low current) Stud Dimensions: (AT-165: M6-1.0) (AT-200: M6-1.0) ooling: Dual nternal ans rounding: Dedicated (ase solated) Stud Dimensions: M8 x 1.25 Bearings: Sealed Bearings, eavy Duty Radial (front & rear) A/Stator : 16 Poles. Stator Wire included in Pigtail Plug. ase onstruction: Ventilated ast Aluminum igh mpact Plastic Rear over 2 nternal Voltage Regulation: 14.1 Volts (12V systems) nternal Regulation to be Available in 2016 inish: Red Powder oat Diodes +/-: 6 Positive, 6 Negative; 50A Rated Tensioning Arm Mount: 0.88 (22.4mm) Vertical Slot ow RPM ut-n: 1,320 rpm Max Alternator RPM: 12,000 rpm Mounting oot Bore: AT-D & AT-D4-Series: 10mm AT-S-Series 1 inch: ½, AT-S-Series 2 inch: 3/8 Normal Operating Temperature: 180 / 82 Max Operating Temperature: 225 / 108 Mounting Styles: AT-S Series: 1 or 2 Single oot (Spindle) AT-D Series: 3.15 Dual oot (Saddle) AT-D4 Series: 4 Dual oot (Saddle) - 200A Version Only gnition Protection Ratings: US Title 33, SO 1187,, SA 8846 ustomer Service: +1 (360) x1 Technical Support: +1 (360) x3

3 AT-Series urves Alternator output is dependent on a number of factors: battery condition and capacity, wire size, engine horsepower and engine RPM, battery temperature and alternator temperature. Of these factors, alternator speed and temperatures are the most important. The following graph describes alternator output based on two temperature levels (ambient (26 ) and hot (90 ). Test voltages are set at 13.5V. Alternator (Amps) AT-Series Alternator omparison 165A & 200A (12V) Versions A, old A, ot A, old A, ot Alternator Alternator RPM RPM 165A, old 165A, ot 200A, old 200A, ot Balmar AT-Series Alternators and harging its provide maximum charging power in a small case package suitable for installation in most small-to-medium sized diesel engines and most M-based 4.3 to 8.1 gasoline engines. Utilize the Balmar product configurator at to locate a solution for your engine. 3

4 AT-165-Series Dimensions A/ Stator ield Positive A B1 B2 D B (-) Mounting oot Bore: D - 10mm S - 1/2" (1") S - 3/8" (2") AT-S-165-XX AT-D-165-XX M TM DSRPTON N. mm Dual Vee (DV) Pulley Dia A 6 (Serpentine) Pulley Dia (Serpentine) Pulley Dia B1 Mounting ole-to-slot B2 Mounting ole-to-slot Slot ength (Bolt enters) D Over-all eight ase Diameter Over-all ength w/ DV Pulley Over-all ength w/ 6 Pulley Over-all ength w/ 10 Pulley TM DSRPTON N. mm DV Pulley Width Pulley Width Pulley Width ase ront to oot ront oot Thickness (S) oot Thickness (D) oot to Stator D Saddle Width oot Thickness M oot to Statot Dimensions are approximate and for reference only. ontact Balmar Technical Support if further details are required. 4

5 AT-200-Series Dimensions AT-Series Alternators D A B round A/ Stator ield Positive Mounting oot Bore: D - 10mm S - 1/2" (1")* S - 3/8" (2")* AT-S-200-XX AT-D-200-XX AT-D4-200-XX TM DSRPTON N. mm Dual Vee (DV) Pulley Dia A 6 (Serpentine) Pulley Dia (Serpentine) Pulley Dia B Mounting ole-to-ole Over-all eight D ase Diameter Over-all ength w/ DV Pulley Over-all ength w/ 6 Pulley Over-all ength w/ 10 Pulley DV Pulley Width Pulley Width Pulley Width TM DSRPTON N. mm ase ront to oot ront oot Thickness (w/o spacer) oot Thickness (w/ spacer) oot to Stator oot Thickness D Saddle Width D4 Saddle Width Rear oot Thickness M D Rear oot to Stator D4 Rear oot to Stator Dimensions are approximate and for reference only. ontact Balmar Technical Support if further details are required. 5