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ABB S503-K20 — 3-Pole MCB (DIN Rail)

ABB S503-K20

MPNS503-K20

Breaker, Miniature, 3-Pole, 20 Amp|Miniature Circuit Breaker; 3-Poles, 20 Amps, 277 VAC, K Tripping Characteristic.

$176.02Ref. price · indicative, final on quote
ABB S503-K20 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026

Specifications

S503-K20 — Identification
ParameterValue
Number of poles3
S503-K20 — Electrical
ParameterValue
Voltage (AC)230
Current (A)20
S503-K20 — Protection
ParameterValue
Interrupting rating (AC)25 kA
S503-K20 — Mechanical
ParameterValue
Mounting typeDIN Rail
S503-K20 — Other specifications
ParameterValue
TypeTrip Curve D
MPN
S503-K20