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ABB S201P-D16 — 1-Pole MCB (DIN Rail)

ABB S201P-D16 MCB 1P D 16A, 277 VAC, 10 kA

MPNS201P-D16

ABB S201P-D16 miniature circuit breaker, 1-pole, Trip Curve D, 16 A, 277 VAC, 10 kA interrupting rating, DIN rail mount.

ABB S201P-D16 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

S201P-D16 — Specifications
ParameterValue
Amps16
TypeTrip Curve D
Poles1
MountingDIN Rail
Volts AC277
Breaking capacity10 kA

Product details

Single-pole construction limits it to 277 VAC line-to-neutral circuits.

D-curve selectivity in practice

The D-curve magnetic trip starts at 10× In (160 A instantaneous) and extends to 20× In (320 A). That wide magnetic band gives you headroom for motor-start current without sacrificing short-circuit protection. In a coordination study, this breaker upstream of a smaller C-curve device will generally hold selective — the downstream clears first on a moderate fault, the D-curve waits for the big one. Panel builders wiring motor starters or control transformers reach for this curve by habit.

Frequently asked questions

What is the S201P-D16's interrupting rating?

10 kA at 277 VAC. That's the maximum fault current the breaker can safely interrupt without damage — sufficient for most commercial and light industrial panelboards.

Will the S201P-D16 drop into a panel specified for the S201MUC-K2?

Mechanically yes — both mount on standard DIN rail and share the same single-pole footprint. Electrically they differ: the S201P-D16 is a 16 A D-curve breaker for AC circuits, while the S201MUC-K2 is a 2 A K-curve breaker rated for both AC and DC. They are not drop-in substitutes unless the circuit requirements match.

MPN
S201P-D16