S203M-B20DC
Product ID:79849
Updated: 2026/7/15

Key Features
- 1Deliver advanced short-circuit protection with interrupting ratings up to 10 kA.
- 2Ensure efficient operation with compliance to energy limiting class standards.
- 3Save installation space using a compact design for DIN rail mounting.
- 4Apply across residential, commercial, and industrial DC applications.
- 5Rely on durable construction with high-quality materials for long life.
Need a quote? Enter your quantity and get pricing fast.
Qty
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Tripping Characteristic | B | Rated Current (In) | 20 A |
| Power Loss | 6.99 W | Number of Poles | 3 |
| Product Net Width | 52.5 mm | Product Net Height | 85 mm |
| Product Net Depth / Length | 69 mm | Product Net Weight | 0.375 kg |
| WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) | WEEE B2C / B2B | Business To Business |
| CN8 | 8536200000 | Object Classification Code | F |
| Manufacturer ID | 2TAZ112300R1205 |
Specifications may be subject to change without notice
Still deciding on S203M-B20DC?
Our engineers can confirm stock, price, and lead time for this ABB part.
Get a no-obligation quote in 1 minute.
