S202M-K4UC

Name: S202M-K4UC
Brand: ABB
SKU: S202M-K4UC

The ABB S202M-K4UC is a versatile miniature circuit breaker designed for both DC and AC applications, featuring high performance and multiple approvals for various international and local standards.

Product ModelS202M-K4UC

Material Number2CDS272061R0337

Product ID80362

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Flexible DC and AC ApplicationsThe S202M-K4UC is designed to handle both DC and AC applications, making it a versatile solution for a wide range of electrical systems.
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2. High PerformanceWith an impressive performance range, this MCB offers high inbuilt short circuit breaking capacity, ensuring reliable operation under various conditions.
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3. Multiple ApprovalsThe S202M-K4UC complies with all major international and local standards, including IEC/EN 60898-2, IEC/EN 60947-2, UL 1077, and CSA 22.2 No. 235, providing comprehensive protection and reliability.
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4. Easy IntegrationFully compatible with System pro M compact accessories, the S202M-K4UC simplifies integration into existing electrical systems, reducing installation time and complexity.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

CSA 22.2 No. 235 IEC/EN 60947-2 UL 1077

Tripping Characteristic

Rated Operational Voltage

acc. to IEC 60898-1 400 V AC acc. to IEC 60898-1 440 V acc. to IEC 60947-2 440 V AC acc. to IEC 60947-2 440 V DC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

4 kV at 2000 m 5 kV at Sea Level 6.2 kV

Input Voltage Type

5. Enhanced Safety FeaturesEquipped with advanced safety features such as contact position indication (CPI) and robust insulation, the S202M-K4UC ensures safe and reliable operation in various environments.

Rated Current (In)

4 A

Rated Short-Circuit Capacity

(AC) 10 kA (230 V AC) 10 kA (400 V AC) 10 kA (230 V) 10 kA (400 V) 10 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(220 V DC) 25 kA (230 V AC) 15 kA (400 V AC) 15 kA (440 V AC) 10 kA (440 V DC) 10 kA (230 V) 10 kA

Rated Conditional Short-Circuit Current (Inc)

(230 V) 15 kA (400 V) 15 kA

Rated Service Short-Circuit Breaking Capacity (Ics)

(220 V DC) 20 kA (230 V AC) 10 kA

Rated Frequency (f)

50 / 60 Hz DC

Power Loss

2.78 W at Rated Operating Conditions per Pole 1.39 W

Power Supply Connection

Please Note Polarity of Device

Contact Position Indication

Red ON / Green OFF

Energy Limiting Class

Mechanical Endurance

20000 cycle

Number of Protected Poles

Number of Poles

Overvoltage Category

III

Tightening Torque

2.8 NÂ·m

Screw Terminal Type

Failsafe Bi-directional Cylinder-lift Terminal

Actuator Marking

I / O

Actuator Material

Insulation Group II, Black, Sealable

Housing Material

Insulation Group I, RAL 7035

Options Provided

Universal current

Mounting on DIN Rail

TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715

Mounting Position

any

Recommended Screw Driver

Pozidriv 2

Accessories Available

Yes

Remarks

Please note polarity of device

Connecting Capacity

Busbar 10 / 10 mmÂ² Flexible with Ferrule 0.75 ... 25 mmÂ² Flexible 0.75 ... 25 mmÂ² Flexible 0.75 ... 25 mmÂ² Rigid 0.75 ... 35 mmÂ² Stranded 0.75 ... 35 mmÂ²

Installation Size

acc. to DIN 43880 1

Terminal Type

Screw Terminals

Ambient Air Temperature

Operation -25 ... +55 Â°C Storage -40 ... +70 Â°C

Degree of Protection

IP20 Enclosure with Cover IP40

Pollution Degree

Environmental Conditions

28 cycles with 55 Â°C / 90-96 % and 25 Â°C / 95-100 %

Resistance to Vibrations

20 Cycles with Load 0.8 In: 5g 5 ... 150 ... 5 Hz

Resistance to Shock acc. to IEC 60068-2-27

25g 2 shocks 13 ms

Environmental Information

2CDK400030D201

Maximum Operating Voltage UL/CSA

500 V DC 480Y / 277 V AC

Interrupting Rating acc. to UL1077

(220 V AC) 10 kA (277 V AC) 6 kA (440 V DC) 10 kA (480Y / 277 V AC) 10 kA (500 V DC) 10 kA

Connecting Capacity UL/CSA

Busbar 14-8 AWG Conductor 14-4 AWG

Tightening Torque UL/CSA

25 inÂ·lb

Width in Number of Modular Spacings

2.0

Product Net Width

35 mm

Product Net Height

88 mm

Product Net Depth / Length

69 mm

Product Net Weight

0.25 kg

Pole Net Weight

0.125 kg

Built-In Depth (t2)

69 mm

ETIM 8

EC000042 - Miniature circuit breaker (MCB)

ETIM 9

EC000042 - Miniature circuit breaker (MCB)

WEEE Category

5. Small Equipment (No External Dimension More Than 50 cm)

WEEE B2C / B2B

Business To Business

CN8

8536 20 10

UNSPSC

39121603

eClass

V11.0 : 27141901

IDEA Granular Category Code (IGCC)

4899 >> Miniature circuit breaker (MCB) screw-in model

Object Classification Code

Manufacturer ID

2CDS272061R0337