S201M-K25NA

Name: S201M-K25NA
Brand: ABB
SKU: S201M-K25NA

The ABB S201M-K25NA is a high-performance miniature circuit breaker designed for various applications. It offers current limiting, delayed thermal, and electromechanical tripping mechanisms for reliable protection against overloads and short circuits. Compatible with IEC/EN 60898-1 and IEC/EN 60947-2 standards, this MCB ensures safe and efficient operation in residential, commercial, and industrial settings.

Product ModelS201M-K25NA

Material Number2CDS271103R0517

Product ID77792

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Protection MechanismsThe ABB S201M-K25NA features two robust tripping mechanisms: delayed thermal for overload protection and electromechanical for short circuit protection, ensuring your electrical system is safeguarded against potential hazards.
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2. Compliance with International StandardsThis miniature circuit breaker complies with IEC/EN 60898-1 and IEC/EN 60947-2 standards, making it suitable for a wide range of applications including residential, commercial, and industrial use.
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3. High Performance and EfficiencyDesigned for high-performance operation, the S201M-K25NA provides efficient and reliable protection, ensuring minimal downtime and maximum safety.
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4. Versatile Mounting OptionsThe MCB can be mounted on any DIN rail, offering flexibility in installation and space-saving design options, such as bottom-fitting auxiliary contacts that save up to 50% space.

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 60898-1 230 V acc. to IEC 60947-2 230 V AC

Operational Voltage

Maximum (Incl. Tolerance) 253 V AC Minimum 12 V AC Minimum 12 V DC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

5. Durable ConstructionBuilt with high-quality materials and designed to withstand various environmental conditions, including temperatures ranging from -25°C to +55°C, this MCB ensures long-lasting performance and reliability.

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

Dielectric Test Voltage

50/60 Hz-1 min: 2 kV

Input Voltage Type

Rated Current (In)

25 A

Rated Short-Circuit Capacity

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

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(133 V AC) 25 kA (230 V AC) 15 kA (230 V) 15 kA (400 V) 15 kA

Rated Conditional Short-Circuit Current (Inc)

(230 V) 15 kA

Rated Service Short-Circuit Breaking Capacity (Ics)

(133 V AC) 18.8 kA (230 V AC) 10 kA

Rated Frequency (f)

50 / 60 Hz

Power Loss

5.8 W at Rated Operating Conditions per Pole 2.9 W

Power Supply Connection

Arbitrary

Contact Position Indication

Red ON / Green OFF

Energy Limiting Class

Mechanical Endurance

20000 cycle

Number of Protected Poles

Number of Poles

1+N

Overvoltage Category

III

Position of Neutral Terminals

Right

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 II, RAL 7035

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

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 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

Reference Ambient Air Temperature

30 Â°C

Degree of Protection

IP20 IP40 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

Maximum Operating Voltage UL/CSA

60 V DC 480Y / 277 V AC

Interrupting Rating acc. to UL1077

(277 V AC) 6 kA (480Y / 277 V AC) 6 kA (60 V DC) 10 kA

Connecting Capacity UL/CSA

Busbar 14-8 AWG Conductor 14-4 AWG

Tightening Torque UL/CSA

18 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

Dimension Diagram

2CDC022007F0010

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)

4897 >> Miniature circuit breakers

Object Classification Code

Manufacturer ID

2CDS271103R0517