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The MaySpare Max Transient 200A Trombetta 12V Solenoid Relay is a heavy-duty, 3-terminal starter solenoid designed for automotive and marine winch applications. Featuring a robust plated steel case and copper contacts, it supports a maximum current of 200 amps with a recommended 5-minute continuous duty cycle to prevent overheating. Its sealed design offers superior corrosion resistance, making it ideal for demanding environments. Trusted by professionals, it ensures reliable, efficient operation and easy OEM-compatible installation.














| ASIN | B0797WZBD9 |
| Best Sellers Rank | #5,984 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Starter Solenoids |
| Brand Name | MaySpare |
| Coil Voltage | 12 volts |
| Connector Type | Screw |
| Contact Current Rating | 200 A |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Current Rating | 200 A |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,064) |
| Manufacturer | May Spare Parts |
| Maximum Switching Current | 5 A |
| Maximum Switching Voltage | 12 volts |
| Minimum Switching Voltage | 12 volts_of_direct_current |
| Model | US-AUTO3T |
| Mounting Type | Pole |
| Number of Terminals | 3 |
| Operating Time | 5 minutes |
| Operation Mode | Automatic |
| Part Interchange Info | 15-123, SAS4208, SAW4226, 15-139, 15-247,118665,15-123 |
| Part Number | US-AUTO3T |
| Specification Met | OEM |
| UPC | 729043161300 |
| Unit Count | 1 Count |
| Wattage | 10.28 watts |
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