The 2CDS253103R0404: Breaking capacity: Icn 6 kA for service duty, Icu 20 kA for ultimate capability. That spread gives real fault-current headroom — the breaker holds up under a 20 kA bolted fault even if its service rating is lower. Terminal type is bi-directional cylinder lift, designed for busbar connection; no wire ferrule needed when landing into a distribution block. IP20 face and IP40 enclosure rated — suitable for clean indoor panel environments. DIN rail mount, occupies four pole-widths on the rail. Dimensions: 88 mm height, 70 mm width, 69 mm depth.
ABB 2CDS253103R0404 MCB C-Curve 40A 4-Pole
MPN2CDS253103R0404
ABB 2CDS253103R0404, miniature circuit breaker, 40 A rated, 4-pole, C-curve, 440 V, IP20 / IP40.
$26.67Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Protection
| Parameter | Value |
|---|---|
| Overvoltage category | III |
Mechanical
| Parameter | Value |
|---|---|
| Width | 70 mm |
| Height | 88 mm |
| Depth | 69 mm |
Other specifications
| Parameter | Value |
|---|---|
| Poles | 4 |
| IP rating | IP20;IP40 |
| Mounting | DIN Rail Mount |
| Current | 40 A |
| Terminal contact type | Bi-Directional Cylinder Lift |
| Voltage | 440 V |
| Tripping characteristics | C |
| Tightening torque - Screw-Type max. | 2.8 Nm |
| Rated Short-Circuit breaking capacity icn | 6 kA |
| Rated Short-Circuit breaking capacity icu | 20 kA |
Product details
Frequently asked questions
What is the depth of this MCB?
69 mm.
How many poles does the 2CDS253103R0404 have?
4 poles.
MPN
2CDS253103R0404