ABB S203U-K40

High Performance Miniature Circuit Breaker

1 / 1
ABB S203U-K40 High Performance Miniature Circuit Breaker — General Accessories
Manufacturer catalogue image

Product Description

The High Performance Miniature Circuit Breaker, designed for branch circuit protection, boasts a rated current of 40 Amps. This 3-pole device is equipped with an interrupt rating of 10 kA and a thermal magnetic trip curve K. It can handle voltages up to 240 VAC and is DIN rail mounted for easy installation. The circuit breaker features finger safe and multi-function terminals, ensuring safety and convenience. This product adheres to UL 489 and CSA 22.2 No. 5 standards.

Send Inquiry
Payment methods:

Offer details

Best offer from:
Trusted supplier — Germany, member since 2024
Availability:
3 pcs.
In-Stock
Updated at: 04-09-2026
Warranty:
24 months
Condition:
Refurbished
Refurbished - A refurbished item inspected, cleaned, and repaired to full working order by either the manufacturer or a certified technician. The item is in excellent condition and fully operational.
The Seller is responsible for shipping the product and invoicing

Specifications

Brand
ABB
UNSPSC
39121603 Miniature circuit breakers
IGCC
4897 Miniature circuit breakers
Type
High Performance MCB, Branch Circuit Protection
Special Features
DIN Rail Mounting, Finger Safe and Multi-Function Terminals
Application
Designed for Allowing Higher In-Rush Current During System Start Up; Example: Motors, Transformers
Standard
UL 489, CSA 22.2 No. 5, IEC 60947-2, UL E212323

Available Offers

(3)
S203U-K40 ABB, General Accessories

ABB

Available:
2 pcs.
In-Stock
Updated at: 04-09-2026
Offer from:
Trusted supplier — Germany, member since 2024
Warranty:
24 months
S203U-K40 ABB, General Accessories

ABB

Available:
12 pcs.
In-Stock
Updated at: 04-09-2026
Offer from:
Trusted supplier — Germany, member since 2024
Warranty:
24 months

Access our platform to find more offers

Register now to explore 36 mln offers from verified suppliers worldwide.

  • Compare offers globally
  • Direct supplier contact
  • RFQs, Quotes, and Orders
  • BOM Search
Sign UpFree 14-day trial available

Documents

Data Sheet

Datasheet for ABB S203U-K40, including specifications and features.

Download Data Sheet
TracePartsTraceParts

CAD Models

3D CAD model and technical drawings, ready for your design software.

Download CAD Model

Related products

S203UP-C10 ABB
S203UP-C10
ABB
This high performance Miniature Circuit Breaker offers branch circuit protection with a rated current of 10 Amps.
S203-C40 ABB
S203-C40
ABB
S203-C40 Miniature Circuit Breaker - 3P - C - 40 A
S203UP-K10 ABB
S203UP-K10
ABB
This Miniature Circuit Breaker provides branch circuit protection with a rated current of 10 Amps, 3 poles, and an interrupt rating of 10 kA.
S203U-K13 ABB
S203U-K13
ABB
This high performance miniature circuit breaker offers branch circuit protection with a rated current of 13 Amps.
S203UP-K20 ABB
S203UP-K20
ABB
This high performance miniature circuit breaker offers branch circuit protection with a rated current of 20 Amps and an interrupt rating of 10 kA. It features a thermal magnetic trip curve K and an electromechanic tripping mechanism for short circuit
S203U-K3 ABB
S203U-K3
ABB
This Miniature Circuit Breaker offers high performance branch circuit protection with a rated current of 3 Amps.
S203U-K20 ABB
S203U-K20
ABB
This Miniature Circuit Breaker provides efficient and reliable branch circuit protection with a rated current of 20 Amps.
S203P-K20 ABB
S203P-K20
ABB
S203P-K20 Miniature Circuit Breaker - 3P - K - 20 A
S203U-K30 ABB
S203U-K30
ABB
This high performance Miniature Circuit Breaker (MCB) offers branch circuit protection with a rated current of 30 Amps and an interrupt rating of 10 kA.

Market insights

AutomaINSIGHTS analytics dashboard

Get real-time analytics and market data to optimize your purchasing decisions for this component and similar products

  • Real-time stock availability data from 700 MRO distributors in Europe and USA
  • Price analysis by condition (new, used, refurbished) with market median prices
  • Critical component availability monitoring to prevent production downtime
  • Inventory optimization insights based on market supply trends
Get Started

Other Categories