Skip to main content
Log in
ABB S203-K60 — Miniature Circuit Breakers (MCB)

ABB S203-K60 MCB, 60A 3P K-Curve 277VAC DIN Rail

MPNS203-K60

ABB S203-K60 miniature circuit breaker, 3-pole, K-curve, 60 A, 277 VAC, 10 kA interrupting capacity, DIN rail mount.

$22.23Ref. price · indicative, final on quote
ABB S203-K60 datasheet (PDF)
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

S203-K60 — Specifications
ParameterValue
Amps60
TypeTrip Curve K
Poles3
MountingDIN Rail
Volts AC277
Breaking capacity10 kA

Product details

60 A, K-curve, 3-pole MCB for motor and inductive loads

The K-curve means it tolerates the inrush of motor and transformer loads without nuisance tripping — the magnetic trip operates between 8 and 12 times rated current, so a 60 A motor start pulling 480–720 A momentarily won't drop the circuit. Interrupting capacity is 10 kA at 277 VAC, which covers most industrial panel fault levels.

DIN-rail integration

The 3-pole footprint occupies three modular units (17.5 mm per pole). Terminal torque and wire size follow the ABB S200-series standard — no special tooling needed.

Frequently asked questions

What is the interrupting capacity of S203-K60?

The S203-K60 has a 10 kA interrupting capacity at 277 VAC, suitable for most industrial panel fault levels.

Will S203-K60 drop into a panel specified around S203-C8 without rewiring?

The S203-K60 shares the same 3-pole DIN-rail footprint and 277 VAC rating as the S203-C8. The difference is the trip curve — K vs C. If the panel was designed for C-curve (magnetic trip 5–10x In), swapping to K-curve (8–12x In) may change nuisance-trip behavior on certain loads, but the mechanical fit and wiring are identical.

Where can I buy S203-K60?

Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing confirmed at quote time.

MPN
S203-K60