Is there a bottom or back?

Yes the switch is fully enclosed except for the side you enter with the wire

These are listed as being rated for 275A continuous, but the manual this switch comes with says its only 200A continuous. Which is the correct rating?

Thank you for your purchase. The item you recieved is On-Off battery switch, and the pamphlet you recieved is 1-2-Both-Off battery switch, so sorry for the issue casued to you, the pamphlet may be mixed by our worker. Fot the item you purchased X001H8MQTX (On-Off battery switch), the continuous rating is : 275Amps DC. Also below are some tips for you to install the switch: The 2 terminals are same, no negative and positive. Just like a switch, connected to the switch on both sides so when you flip the switch it cuts the circuit. More, recommend to install this cut off switches on the negative, not the positive (lower current in negative, will be more safety). The switch can be install in the negative wire, another short battery cable or cut existing cable and attach terminals on each end. Hope the info can help you.

How far from battery can it be installed?

Mine is 2 feet from the battery, I don't think it matters. Your cable size will have to increase the further away from the battery that you install it.

If the switch is on off (red) is the battery not drawing or the disconnect is not engaged and battery still drawing? Over thinking I'm sure.

battery 1 to switch,battery 2 to load side if you are using battery 2 too power stuff. if switch is off then battery 2 will power your things and not draw from main battery 1. To charge battery 2 turn switch to on then turn off when its fully charged if that makes sense

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Ampper Battery Disconnect Switch 12V - 48V, Marine Battery Switch Disconnect Power Cut Shut Off for Car, Vehicle, RV and Boat (On/Off)

Product ID: 45776791

Details

Brand
Ampper
Connector Type
Screw
Contact Type
Normally Open
Current Rating
275 Amps
Item dimensions L x W x H
2.76 x 3.74 x
Material
Acrylonitrile

⚡275A continuous current

🔒Lockable for added security

🛠️Easy universal installation

R539

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Cut the power, not the adventure – stay charged and secure with Ampper!

LOCK SECURE - Lockable switch option ensures your battery stays disconnected when you need it most.
EFFORTLESS SETUP - Includes copper terminal studs and mounting bolts for quick, hassle-free installation.
SAFETY FIRST DESIGN - Durable ABS housing with insulated rear cover prevents shorts and protects your system.
POWERHOUSE PERFORMANCE - Handles up to 275A continuous and 1250A momentary current for ultimate reliability.
UNIVERSAL COMPATIBILITY - Works seamlessly with 12V to 48V DC systems—perfect for cars, RVs, boats, and more.

The Ampper Battery Disconnect Switch is a heavy-duty, ABS-encased power isolator designed for 12V to 48V DC systems. It supports continuous currents up to 275A and momentary surges up to 1250A, making it ideal for cars, RVs, boats, and other vehicles. Featuring insulated terminals, lockable functionality, and easy installation hardware, it safely cuts off battery power to prevent drain and electrical hazards when your vehicle is idle.

Specifications

ASIN	B07413JWLD
Actuator Type	Push Button
Best Sellers Rank	#9,104 in Automotive ( See Top 100 in Automotive ) #21 in Automotive Replacement Battery Switches
Brand Name	Ampper
Circuit Type	2-way
Color	On-Off
Compatible Devices	Car, Vehicle, RV, Boat Electrical Systems
Compatible with Vehicle Type	Universal Fit (voltage at: DC 12 - 48V systems): Marine Boat, Ship, Yacht, RV, Truck
Connectivity Protocol	Wi-Fi
Connector Type	Screw
Contact Material	Copper
Contact Type	Normally Open
Control Method	Touch
Control Type	On/Off
Controller Type	Push Button
Current Rating	275 Amps
Customer Reviews	4.7 4.7 out of 5 stars (8,687)
Global Trade Identification Number	00608613215417
International Protection Rating	IP65
Item Dimensions	2.76 x 3.74 x 2.95 inches
Item Weight	9.34 Ounces
Manufacturer	Ampper
Material Type	Acrylonitrile Butadiene Styrene
Model	Am-CBS01
Mounting Type	Surface Mount
Number of Items	1
Number of Positions	2
Operating Voltage	12 Volts
Operation Mode	ON-OFF
Part Number	Am-CBS01
Smart Home Compatibility	Not Smart Home Compatible
Switch Type	Rotary
Terminal	Screw
UPC	608613215417
Unit Count	1.0 Count

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R539

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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