
ABB S203-B20
MPNS203-B20
20A, 480Y/277V, 6 kAIC, B-Curve, UL 1077 CB|Miniature Circuit Breaker, 20 Amps, 480Y/277V AC. B - Curve. 6 kAIC. S200 Series. Supplemental Protectors. UL 1077, CSA 22.2.
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Lead timeCall for availability wk
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Number of poles | 3 |
Electrical
| Parameter | Value |
|---|---|
| Voltage (AC) | 277 |
| Current (A) | 20 |
Protection
| Parameter | Value |
|---|---|
| Interrupting rating (AC) | 6 kA |
Mechanical
| Parameter | Value |
|---|---|
| Mounting type | DIN Rail |
Other specifications
| Parameter | Value |
|---|---|
| Type | Trip Curve B |
MPN
S203-B20