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ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit, Verado Mount, Internal/External, Case Ground (4047)

Model: 4047 · SKU: 4047

Prepared Nov 12, 2026

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Common specifications

Rated output current	254 ASource [1]
Sustained output current	157 ASource [1]
System voltage	12 VSource [1]
Rotation	Not documented
Ground type	Case GroundSource [1]
Mounting	Verado MountSource [1]
Pulley	75 mm K6Source [1]
Cut-in speed (RPM)	1,288 RPMSource [1]
Maximum speed (RPM)	19,000 RPMSource [1]
Stator size	Not documented
Regulator included	Internal/ExternalSource [1]
Cooling	Not documented
Efficiency	Not documented
Operating temperature	110 M °CSource [1]
Weight	6.7 kg15 lb convertedSource [1]
Dimensions	Not documented
Enclosure volume	Not documented
Warranty term	Not documented

All recorded specifications

Cut-in speed (RPM)	1,288 RPMDocumented claim Conditions Printed as "Cut-In Alternator RPM 1,288" in DATA-010's SPECIFICATIONS. Location: Page 1, SPECIFICATIONS table, Cut-In Alternator RPM row Printed as "Cut-In Alternator RPM 1,288" in DATA-010's SPECIFICATIONS. Location: Page 1, SPECIFICATIONS table, Cut-In Alternator RPM row Official datasheet · ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture) [1]
Ground type	Case GroundDocumented claim Conditions Printed in the part row "4047 12V A225, Verado Mount, Side Mount Battery Post, Internal/ Externally Regulated, Case Ground, 75 mm K6 Pulley - Includes fusible link wire and belt". Location: Page 1, ARCO PART # table, row 4047 Printed in the part row "4047 12V A225, Verado Mount, Side Mount Battery Post, Internal/ Externally Regulated, Case Ground, 75 mm K6 Pulley - Includes fusible link wire and belt". Location: Page 1, ARCO PART # table, row 4047 Official datasheet · ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture) [1]
Maximum speed (RPM)	19,000 RPMDocumented claim Conditions Printed as "Maximum Alt RPM 19,000" in DATA-010's SPECIFICATIONS. Location: Page 1, SPECIFICATIONS table, Maximum Alt RPM row Printed as "Maximum Alt RPM 19,000" in DATA-010's SPECIFICATIONS. Location: Page 1, SPECIFICATIONS table, Maximum Alt RPM row Official datasheet · ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture) [1]
Mounting	Verado MountDocumented claim Conditions Printed in the part row "4047 12V A225, Verado Mount, Side Mount Battery Post, Internal/ Externally Regulated, Case Ground, 75 mm K6 Pulley - Includes fusible link wire and belt"; the sheet's heading says "Fits your Mercury Verado outboard". Location: Page 1, ARCO PART # table, row 4047 Printed in the part row "4047 12V A225, Verado Mount, Side Mount Battery Post, Internal/ Externally Regulated, Case Ground, 75 mm K6 Pulley - Includes fusible link wire and belt"; the sheet's heading says "Fits your Mercury Verado outboard". Location: Page 1, ARCO PART # table, row 4047 Official datasheet · ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture) [1]
Operating temperature	110 M °CDocumented claim Conditions Printed as "Max Continuous Operating Temperature 110 degrees C" in DATA-010's SPECIFICATIONS; no lower limit is printed. Location: Page 1, SPECIFICATIONS table, Max Continuous Operating Temperature row Printed as "Max Continuous Operating Temperature 110 degrees C" in DATA-010's SPECIFICATIONS; no lower limit is printed. Location: Page 1, SPECIFICATIONS table, Max Continuous Operating Temperature row Official datasheet · ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture) [1]
Pulley	75 mm K6Documented claim Conditions Printed as "75 mm K6 Pulley" in the part row "4047 12V A225, Verado Mount, Side Mount Battery Post, Internal/ Externally Regulated, Case Ground, 75 mm K6 Pulley - Includes fusible link wire and belt" and as "Standard Pulley K6 75 mm" in the SPECIFICATIONS. Location: Page 1, ARCO PART # table, row 4047; SPECIFICATIONS, Standard Pulley row Printed as "75 mm K6 Pulley" in the part row "4047 12V A225, Verado Mount, Side Mount Battery Post, Internal/ Externally Regulated, Case Ground, 75 mm K6 Pulley - Includes fusible link wire and belt" and as "Standard Pulley K6 75 mm" in the SPECIFICATIONS. Location: Page 1, ARCO PART # table, row 4047; SPECIFICATIONS, Standard Pulley row Official datasheet · ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture) [1]
Rated output current	254 ADocumented claim Conditions Printed as "Max Output (Cold) 254 amps" in DATA-010's SPECIFICATIONS, one table for parts 4047 and 4048; no speed is printed for it. The sheet also prints "Sustained Cruising Output (Hot, 2,000 RPM) 187 amps" and "Sustained Idle Output (Hot, 1,000 RPM) 157 amps". Location: Page 1, SPECIFICATIONS table, Max Output (Cold) row Printed as "Max Output (Cold) 254 amps" in DATA-010's SPECIFICATIONS, one table for parts 4047 and 4048; no speed is printed for it. The sheet also prints "Sustained Cruising Output (Hot, 2,000 RPM) 187 amps" and "Sustained Idle Output (Hot, 1,000 RPM) 157 amps". Location: Page 1, SPECIFICATIONS table, Max Output (Cold) row Official datasheet · ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture) [1]
Regulator included	Internal/ExternalDocumented claim Conditions The part row prints "Internal/ Externally Regulated" for 4047; the SPECIFICATIONS, one table for both kits, print "Regulation Internal/ External (IE) and External (EX)". Location: Page 1, ARCO PART # table, row 4047; SPECIFICATIONS, Regulation row The part row prints "Internal/ Externally Regulated" for 4047; the SPECIFICATIONS, one table for both kits, print "Regulation Internal/ External (IE) and External (EX)". Location: Page 1, ARCO PART # table, row 4047; SPECIFICATIONS, Regulation row Official datasheet · ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture) [1]
Sustained output current	157 ADocumented claim Conditions Printed as "Sustained Idle Output (Hot, 1,000 RPM) 157 amps"; the sheet also prints "Sustained Cruising Output (Hot, 2,000 RPM) 187 amps". The sheet does not say whether these speeds are engine or alternator RPM; its graph is drawn by engine RPM. Location: Page 1, SPECIFICATIONS table, Sustained Idle Output row Printed as "Sustained Idle Output (Hot, 1,000 RPM) 157 amps"; the sheet also prints "Sustained Cruising Output (Hot, 2,000 RPM) 187 amps". The sheet does not say whether these speeds are engine or alternator RPM; its graph is drawn by engine RPM. Location: Page 1, SPECIFICATIONS table, Sustained Idle Output row Official datasheet · ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture) [1]
System voltage	12 VDocumented claim Conditions Printed as "Voltage 12V" in the SPECIFICATIONS and as "12V A225" in the part row "4047 12V A225, Verado Mount, Side Mount Battery Post, Internal/ Externally Regulated, Case Ground, 75 mm K6 Pulley - Includes fusible link wire and belt". Location: Page 1, SPECIFICATIONS table, Voltage row; ARCO PART # table Printed as "Voltage 12V" in the SPECIFICATIONS and as "12V A225" in the part row "4047 12V A225, Verado Mount, Side Mount Battery Post, Internal/ Externally Regulated, Case Ground, 75 mm K6 Pulley - Includes fusible link wire and belt". Location: Page 1, SPECIFICATIONS table, Voltage row; ARCO PART # table Official datasheet · ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture) [1]
Weight	6.7 kg15 lb convertedDocumented claim Conditions Printed as "Weight 14.9 lb (6.7 kg)" in DATA-010's SPECIFICATIONS, one table for both kits. Location: Page 1, SPECIFICATIONS table, Weight row Printed as "Weight 14.9 lb (6.7 kg)" in DATA-010's SPECIFICATIONS, one table for both kits. Location: Page 1, SPECIFICATIONS table, Weight row Official datasheet · ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture) [1]

Warranty

Certificate records

No records documented.

Sources and revisions

ARCO Zeus A225/3500W-12V High Output Outboard Alternator Kit spec sheet (DATA-010 REV-A 5/19/2026, arcomarine.com, October 29, 2026 capture)Official datasheet · Revision DATA-010 REV-A · 2026-05-19 · Checked Oct 29, 2026https://cdn.shopify.com/s/files/1/0110/9521/2098/files/DATA-010_REV_A_ARCO_Zeus_A225.3500W_12V_Outboard.pdf?v=1780691526