Overview
Alternator 250 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator & Temp Sensor
Kit Includes:
- XT-DF-250-J10 Alternator
- MC-618 Regulator
- Temperature Sensors & Mounting Hardware
XT Series Alternator:
- 250A
- 12V
- Saddle Mount (Dual Foot), 3.15in
- J10 AltMount Serpentine Pulley
- Case Ground
Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre Engines
Replaces: AT-DF-MC-200-KIT, AT-DF-200-J10-KIT
Specifications
Electrical Specifications
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Alternator Style: Small Case, Positive Field Excitation (P-Type)
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Regulation: External P-Type (MC-618)
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Smart Ready® Internal Voltage Regulation: 14.1 Volts (12V Systems)
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Positive Output: Threaded Stud Dimensions: XT-170 & XT-250: M8 x 1.25
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AC/Stator Output: 16 Poles
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Stator Output Wire: Included in Pigtail Plug
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Diodes +/-: 6 Positive, 6 Negative; 50A Rated
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Cut-In RPM: 170A: 1,150 rpm, 90A & 250A: 1,350 rpm
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Max Alternator RPM: 18,000 rpm
Cooling and Temperature Management
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Cooling: Dual Internal Fans
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Normal Operating Temperature: 180°F / 82°C
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Max Operating Temperature: 225°F / 108°C
Mounting Specifications
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Mounting Style: 3.15” Dual Foot (Saddle)
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Mounting Foot Bore: 10mm (3/8”)
Construction and Durability
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Bearings: Sealed Bearings, Heavy Duty Radial (front & rear)
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Grounding: Case Ground
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Case Construction: Ventilated Cast Aluminum
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Finish: Red Power Coat
Safety and Compliance
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Ignition Protection Ratings: USCG Title 33, SAE J1171, CE, ISO 8846
Downloads
Shipping
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Flat rate shipping of $7.95 USD for orders under $50 within the contiguous 48 states.
Overnight shipping rates available at checkout.
Shipping for orders to states or US territories outside of the contiguous 48 states will be calculated at checkout.
30-Day, No-Hassle Returns
To return an item, send an email to info@secondreef.co. Please include your full name and order number in your email.
Returns must be requested within 30 days of the receipt of your order. The product must be returned unopened in the original packaging. We do not accept returns of used products.
Refunds are subject to a 5% restocking fee to cover the non-refundable credit card processing fees we incur and the administration required.
View our full shipping and returns policies here.