Skip to main content
Log in
ABB ST203M-D2 — 3-Pole MCB (DIN Rail)

ABB ST203M-D2

MPNST203M-D2

2A, 480Y/277V, 10 kAIC, D-Curve, UL 1077|Miniature Circuit Breaker, 3-Pole, 2 Amps, 480Y/277V AC. D-Curve. 10 kAIC. ST200M Series. Supplemental Protectors. UL 1077, CSA 22.2.

ABB ST203M-D2 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026

Specifications

ST203M-D2 — Identification
ParameterValue
Number of poles3
ST203M-D2 — Electrical
ParameterValue
Voltage (AC)277
Current (A)2
ST203M-D2 — Protection
ParameterValue
Interrupting rating (AC)10 kA
ST203M-D2 — Mechanical
ParameterValue
Mounting typeDIN Rail
ST203M-D2 — Other specifications
ParameterValue
TypeTrip Curve D
MPN
ST203M-D2