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ABB 2CDS251001R0427 — 1-Pole MCB (DIN Rail)

ABB 2CDS251001R0427 MCB, 1-Pole K-Curve 10A, 440V

MPN2CDS251001R0427

ABB, System pro M compact, miniature circuit breaker, 2CDS251001R0427, 1-pole, K-curve, 10 A, 440 V, 6 kA Icn / 20 kA Icu, IP20/IP40, DIN rail mount.

$23.86 – $52.00Ref. price · indicative, final on quote
ABB 2CDS251001R0427 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

2CDS251001R0427 — Electrical & Protection
ParameterValue
Overvoltage categoryIII
2CDS251001R0427 — Mounting & Connection
ParameterValue
Width17.5 mm
Height88 mm
Depth69 mm
2CDS251001R0427 — Other specifications
ParameterValue
Poles1
IP ratingIP20;IP40
MountingDIN Rail Mount
Current10 A
Terminal contact typeBi-Directional Cylinder Lift
Voltage440 V
Tripping characteristicsK
Tightening torque - Screw-Type max.2.8 Nm
Rated Short-Circuit breaking capacity icn6 kA
Rated Short-Circuit breaking capacity icu20 kA

Product details

The ABB 2CDS251001R0427 is a 1-pole miniature circuit breaker (MCB) from the System pro M compact series, with a K-curve trip characteristic and a 10 A rated current. The K-curve trips between 8 and 12 times rated current, making it suitable for loads with moderate inrush — think motor starters, transformers, or solenoid valves where a standard C-curve might nuisance-trip but a Z-curve would be too sensitive.

Where it goes and how it fits

Snaps onto a standard DIN rail — 17.5 mm wide, 88 mm tall, 69 mm deep. The IP20/IP40 rating means it's protected against solid objects larger than 12 mm (fingers) and, with IP40, against tools and small wires; fine for enclosed panel mounting but not for washdown or outdoor exposure.

Frequently asked questions

Where can I buy 2CDS251001R0427 and how do I get a price?

This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current pricing and availability — confirmed at quote time.

Will 2CDS251001R0427 drop into a panel that was specified around S201-C6 without rewiring?

Both are 1-pole DIN-rail MCBs, so the footprint is the same — 17.5 mm width, same rail clip. The difference is the trip curve: the 2CDS251001R0427 is K-curve (8–12× In), while the S201-C6 is C-curve (5–10× In). If the existing panel was wired for a 6 A C-curve, swapping to a 10 A K-curve changes both the rating and the trip characteristic; verify the load's inrush and cable sizing before substitution. No rewiring of the DIN rail or busbar is needed, but the protective device sizing must be rechecked.

MPN
2CDS251001R0427