S201M-B50UC

Name: S201M-B50UC
Brand: ABB
SKU: S201M-B50UC

The ABB S201M-B50UC is a reliable miniature circuit breaker for DC and AC applications, offering high short-circuit breaking capacity and easy installation, ensuring safe and efficient operation in various electrical systems.

Product ModelS201M-B50UC

Material Number2CDS271061R0505

Product ID80336

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Short-Circuit Breaking CapacityThe S201M-B50UC boasts a high inbuilt short-circuit breaking capacity, ensuring reliable protection against electrical faults in both DC and AC applications.
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2. Flexible AC and DC ApplicationDesigned for both AC and DC applications, this MCB provides flexibility in electrical system design, catering to diverse user needs.
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3. Easy InstallationFeaturing easy installation, the S201M-B50UC simplifies the setup process, making it a convenient choice for users who value simplicity and speed in their electrical setup.
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4. Compliance with International StandardsThe S201M-B50UC meets international standards for electrical safety and performance, including IEC/EN 60898-2, IEC/EN 60947-2, and UL1077, ensuring a trusted choice for industrial and commercial applications.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

IEC/EN 60898-2 IEC/EN 60947-2

Tripping Characteristic

Rated Operational Voltage

acc. to IEC 60898-1 220 V DC acc. to IEC 60898-1 230 V AC acc. to IEC 60898-1 220 V acc. to IEC 60898-2 220 V DC acc. to IEC 60898-2 230 V AC acc. to IEC 60947-2 253 V AC acc. to IEC 60947-2 220 V DC

Operational Voltage

Maximum (Incl. Tolerance) 250 V DC 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

5. Durable and Long-LastingWith a one-year warranty and 100% new condition, the S201M-B50UC is built to last, providing long-term reliability and minimizing the need for frequent replacements.

Rated Impulse Withstand Voltage (Uimp)

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

AC/DC

Rated Current (In)

50 A

Rated Short-Circuit Capacity

(AC) 10 kA (DC) 10 kA (220 V DC) 10 kA (230 / 400 V AC) 10 kA (230 V AC) 10 kA (253 V DC) 10 kA (230 V) 10 kA (400 V) 10 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(110 V DC) 20 kA (220 V DC) 10 kA (230 V AC) 10 kA (253 V AC) 6 kA (400 V AC) 6 kA (230 V) 10 kA

Rated Conditional Short-Circuit Current (Inc)

(230 V) 10 kA

Rated Service Short-Circuit Breaking Capacity (Ics)

(110 V DC) 10 kA

Rated Frequency (f)

50 / 60 Hz DC

Power Loss

4.48 W at Rated Operating Conditions per Pole 4.48 W

Power Supply Connection

Please Note Polarity of Device

Contact Position Indication

Red ON / Green OFF

Energy Limiting Class

Electrical Endurance

10000 AC cycle

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

Reference Ambient Air Temperature

30 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

250 V DC 480Y/277 V AC

Interrupting Rating acc. to UL1077

(110 V DC) 10 kA (220 V AC) 10 kA (250 V DC) 10 kA (253 V AC) 6 kA (480Y / 277 V AC) 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

1.0

Product Net Width

17.5 mm

Product Net Height

85 mm

Product Net Depth / Length

69 mm

Product Net Weight

0.125 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

2CDS271061R0505