Profleet Master Battery Disconnect Switch, 12V, 6-36V DC 180A Continuous, SPST Manual Cut Off/Kill Switch for Heavy Duty Trucks and Marine Use, Replaces POL 51-927

Engineered for Reliable Power Isolation: The 51-927 Master Battery Disconnect Switch. This is one genuine 51-927 heavy-duty battery disconnect switch. This battery cut off switch 12V is designed for heavy-duty trucks, offering superior protection against battery drain, electrical fires, and unauthorized vehicle use to ensure electrical system integrity and peak operational safety. The 51-927 switch provides unparalleled protection against parasitic loads and accidental electrical shorts. Its advanced die-cast formulation is compatible with all 6V to 36V DC electrical systems and can be used in Freightlner, Kenwrth, and Peterbuilt heavy-duty diesel trucks. Ready-to-use, this lever-operated switch delivers optimal conductivity with 1/2-inch copper alloy studs in demanding industrial conditions. Cross-references of the product: Polak 51-927, 51-927EP, Tectrn 19-1044, Grot 82-2233, and Freightlner A22-57400-004. The superior design of 51-927 helps optimize vehicle security, extends battery service life by eliminating discharge during downtime, and provides a guaranteed service life when used with #00-gauge or larger wiring for high-amperage applications. Characteristics: ⦁ Material: Die-Cast Metal Housing with Copper Alloy Studs ⦁ Voltage: 6V - 36V DC ⦁ Amperage: 180A Continuous / 1800A Intermittent (4s On / 20m Off) ⦁ Terminal Type: Two 1/2-20 UNF Studs ⦁ Switch Type: S.P.S.T. (Single Pole, Single Throw)

• PRECISE PRODUCT DIMENSIONS: Engineered with a 4.38-inch overall length and a 2.63-inch body diameter, this switch features a 3/4-inch diameter mounting stem designed to fit panels up to 1/4-inch thick for a secure, flush installation.
• HEAVY-DUTY COMPATIBILITY: This SPST (Off-On) manual lever switch is rated for 180 Amps continuous service and up to 1800 Amps in-rush at 12V DC, making it ideal for isolating high-draw battery circuits in heavy-duty diesel environments.
• INDUSTRY CROSS REFERENCES: Designed as a direct professional replacement for Polak 51-927, 51-927EP, Tectrn 19-1044, Grot 82-2233, and Col Herse 24612-10 to ensure reliable power isolation and theft prevention.
• COMPATIBLE VEHICLES: Custom-fit for Freightlner, Peterbuilt, Kenwrth, and Vlvo heavy trucks, as well as marine vessels and RVs, providing a robust master cutoff to prevent battery drain during long-term storage or maintenance.
• WEATHERPROOF CONSTRUCTION: Features a one-piece die-cast metal housing sealed with O-rings at the base and mounting stem to protect silver-plated copper contacts from moisture, dust, and corrosion in demanding vocational settings.