



⚓ Rule your marine switch game with eco-smart durability!
The Rule 35A Marine Rule-A-Matic Switch is a mercury-free, float switch designed for marine bilge pumps. Featuring marine-grade blocked wiring and sealed metal capsules, it offers reliable, maintenance-friendly operation tested to over one million cycles. Lightweight and compact, it’s the trusted choice for boaters seeking durable, eco-conscious performance.




| Manufacturer | Rule |
| Part number | RM500B |
| Item Weight | 113 g |
| Product Dimensions | 8.89 x 12.7 x 20.96 cm; 113.4 g |
| Item model number | 35 |
| Size | 50 |
| Color | White |
| Style | Bilge Pumps Switches |
| Material | Plastic |
| Power source type | Corded Electric |
| Voltage | 12 Volts (DC) |
| Item Package Quantity | 1 |
| Switch Style | Float Switch |
| Included components | Rule 35A Marine Rule-A-Matic Switch (Mercury Free) |
| Batteries Included? | No |
| Batteries Required? | No |
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