1 / 10Hover to zoom · click to enlarge275A On/Off Battery Switch - 48V DC Isolator with Removable Knob
Ships from Rich Solar's U.S. warehouse
- Free shipping, no minimumTo the lower 48 states and Washington, D.C.
- Authorized Rich Solar dealerFull manufacturer warranty and support.
- 1-year warrantyBacked by Rich Solar.
- 30-day returnsOn new, unused items.
Shipping & handling
- Orders are processed within 1–3 business days.
- Parcel items typically arrive 3–7 business days after shipping. Freight items (panels, batteries, inverters and kits) typically arrive 5–14 business days after shipping.
- Rich Solar and SunGoldPower products ship free to the lower 48 states and Washington, D.C., with no minimum. Lensun shipping is based on weight and shown at checkout.
- Freight deliveries need an appointment and a signature, and are delivered curbside.
Returns & refunds
Request a return within 30 days of delivery. Items must be new, unused, not installed, and in their original packaging.
- Contact us first for a Return Merchandise Authorization (RMA). Returns sent without one are refused.
- For a change-of-mind return, you pay return shipping and a 15% restocking fee is deducted from your refund.
- Damaged on arrival? Report it within 3 business days of delivery and we arrange a replacement or full refund.
Warranty
Rich Solar's warranty page covers this product under its 1-year warranty for all other products, meaning items outside its solar panel, battery, inverter and charge controller categories.
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A 275A, 48V DC on/off switch for isolating a battery
Rich Solar's RS-BS275 on/off battery switch quickly disconnects battery power for safety and storage. It is rated DC 275A continuous, DC 455A intermittent for 5 minutes and DC 1250A cranking for 10 seconds, at up to DC 48V.
The knob removes in the OFF position to prevent accidental operation. The glass-fiber reinforced nylon housing has M10 (3/8") terminal studs and removable wiring windows, mounts on a surface or panel, and meets ISO 8846 ignition protection for engine compartments.
Removable safety knob
The knob removes in the OFF position to prevent accidental operation while the battery is isolated.
- Quickly disconnects battery power for safety and storage
- Interchangeable label stickers for the knob
Heavy-duty, ignition-protected housing
A glass-fiber reinforced nylon housing meets ISO 8846 ignition protection requirements for engine compartments.
- Removable windows on four sides for unobstructed wiring
- Surface or panel mounting
- M10 (3/8") terminal studs
Specs, images and product claims on this page come from Rich Solar's 275A On/Off Battery Switch product page and spec sheet. Last checked Oct 30, 2026.
Specifications
From Rich Solar's published specifications for model RS-BS275.
Ratings
| Continuous rating | DC 275A |
|---|---|
| Intermittent rating (5 min) | DC 455A |
| Cranking rating (10 s) | DC 1250A |
| Voltage rating | DC 48V |
| Ignition protection | ISO 8846 / SAE J1171 |
| Marking | CE |
Construction
| Terminal studs | M10 (3/8") |
|---|---|
| Enclosure | Glass-fiber reinforced nylon |
| Knob | Removable in the OFF position |
| Wiring windows | Removable, on 4 sides |
| Mounting | Surface or panel mount |
Warranty
| Warranty | 1-year |
|---|---|
| Model / SKU | RS-BS275 |
What's in the box
Package contents as listed by Rich Solar.
Documents & certificates
Official files from Rich Solar.
Customer reviews
Reviews from Sun Energy Depot customers, collected by Judge.me.
Pairs well with
Other parts you may need for a 275A On/Off Battery Switch setup.
