
Delivery in 10-20 daysWarranty 2 yearsREDARC
Shipping costsItaly: free over €150; €13 for smaller orders.
European Union: free from €350; €60 for smaller orders.
European Union: free from €350; €60 for smaller orders.
Redarc SBI224 Smart Start Dual Battery Isolator 24V 200A
The Redarc Smart Start SBI224 is the heavy-duty version of the microprocessor-controlled battery isolator for 24 V systems: 200 A continuous and 600 A surge. It automatically connects and separates the starting and auxiliary batteries based on charging voltage.
Ideal for trucks, heavy vehicles, large motorhomes and boats with big battery banks and heavy-gauge cabling. Designed and manufactured in Australia.
Key features
200 A continuousHigh current capacity for large auxiliary battery banks and fast charging from the alternator.
Start battery protectionConnects at 26.4 V and disconnects at 25.4 V.
Silver alloy contactsLonger life and suitable for marine use.
Overmoulded housingRugged overmould built for the vehicle environment.
Low power draw and diagnosticsStandby below 5 mA, fault indication and full surge protection.
Technical specifications
| Feature | Value |
|---|---|
| REDARC part number | SBI224 |
| System voltage | 24 V |
| Output voltage | 24 V DC |
| Max. continuous current | 200 A |
| Max. surge current | 600 A |
| Cut-in voltage | 26.4 V |
| Cut-out voltage | 25.4 V |
| Cut-in delay | 5 seconds |
| Cut-out delay | 10 seconds |
| Standby current | < 5 mA |
| Input fuse | 200 A |
| Output fuse | 200 A |
| Weight | 600 g |
| Dimensions (H × W × D) | 90 × 95 × 100 mm |
| Warranty | 2 years |