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ABB S503-K8 — 3-Pole MCB (DIN Rail)

ABB S503-K8

MPNS503-K8

Breaker, Miniature, 3-Pole, 8 Amp|Miniature Circuit Breaker; 3-Poles, 8 Amps, 277 VAC, K Tripping Characteristic.

ABB S503-K8 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026

Specifications

S503-K8 — Identification
ParameterValue
Number of poles3
S503-K8 — Electrical
ParameterValue
Voltage (AC)230
Current (A)8
S503-K8 — Protection
ParameterValue
Interrupting rating (AC)25 kA
S503-K8 — Mechanical
ParameterValue
Mounting typeDIN Rail
S503-K8 — Other specifications
ParameterValue
TypeTrip Curve D
MPN
S503-K8