Flaming River Big Switch
Meets OHSA Lock-Out Tag-Out Regulation
Born from cutting edge nanoscale materials, chosen by the world’s super car manufacturers and proven on the Formula 1 & NASCAR podiums, UltraPhosphate Technology is now available for the aftermarket in our 60 amp hour lithium starter battery, E3.501.
TOP BENEFITS
Reduce Battery Drain
Made in the USA with American-made components and materials

OSHA Lock-Out Compliance
Complies with OSHA lock-out/tag-out regulation 1910.147

Extreme Use & Vibration
Waterproof, corrosion-resistant & withstands extreme vibrations
The Big Switch 500 battery disconnect can withstand extreme weather and vibration. The lock-out option allows you to comply with OSHA lock-out/tag-out regulation 1910.147. Operates from -40 to +176 degrees Fahrenheit. This disconnect switch is ideal for heavy-duty fleet, truck & waste disposal operations.
- Helps reduce battery drain
- Created vehicle theft deterrence
- Can withstand extreme vibration
- OSHA lock-out/tag-out compliance
- Provides decreased risk of electrical fire
SPECIFICATIONS
- 50 Amps Max Continuous Current
- Water Resistant
- Operating Temperature Range: -40°C to +80°C / -40°F to +176°F
- Contact Terminals: Silver-Tin Oxide Plated Copper
- Weight: 2 lbs
- Warranty: 90 Days
TOP FEATURES

500 Amp Continuous Rating
Enabled by unique internal silver tin oxide pads and silver-plated terminals

Optional Lock-Out
Lock in the OFF position to comply with OSHA lock-out/tag-out regulation 1910.147

Rugged USA-Made Construction
Sealed waterproof and corrosion-resistant design
FAQ
12V or 24V
500 Amps
IP65
-40°F to + 176°F (-40°C to +80°C)
-40°F to + 176°F (-40°C to +80°C)
3.25″ Wide
5.73″ High
2.68″ Deep
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An Ohio Corporation and woman-owned business, located in Berea, Ohio. Flaming River Industries is certified in ISO 9001:2015 Quality Management Systems standards. We’re the go-to resource for battery disconnect switches, electrical safety products, and related accessories for the Heavy-Duty and Commercial Trucking industries.
- Industry Applications: Commercial Trucking, Waste/Refuse, Construction, Farming & Agricultre
- ISO 9001:2015 Quality Management Standards
- Ohio-Based Woman-Owned Business