S201MT-B40UC

Name: S201MT-B40UC
Brand: ABB
SKU: S201MT-B40UC

The ABB S201MT-B40UC is a versatile miniature circuit breaker suitable for both DC and AC applications. It boasts high short circuit breaking capacity and meets all major international standards, making it an excellent choice for the traction industry.

Product ModelS201MT-B40UC

Material Number2CDS271065R0405

Product ID78416

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Short Circuit Breaking CapacityThe S201MT-B40UC features a robust short circuit breaking capacity, ensuring reliable performance under demanding conditions.
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2. Flexible DC and AC ApplicationsDesigned to handle both DC and AC applications, this MCB offers flexibility in various electrical systems.
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3. Compliance with International StandardsMeets all major international standards, including IEC/EN 60947-2, UL 1077, and CSA 22.2 No.235, ensuring global compatibility and reliability.
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4. Compact DesignThe compact design of the S201MT-B40UC makes it easy to integrate into various electrical systems, including those with limited space.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

IEC/EN 60947-2

Tripping Characteristic

Rated Operational Voltage

acc. to IEC 60898-1 220 V DC acc. to IEC 60898-1 253 V AC acc. to IEC 60898-1 220 V 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) 266 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. Easy Installation and MaintenanceWith its simple mounting on DIN rail and fast clip mechanism, the S201MT-B40UC simplifies installation and maintenance processes, reducing downtime and increasing overall efficiency.

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)

40 A

Rated Short-Circuit Capacity

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

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

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

Rated Conditional Short-Circuit Current (Inc)

(230 V) 10 kA

Rated Service Short-Circuit Breaking Capacity (Ics)

(220 V DC) 10 kA

Rated Frequency (f)

50 / 60 Hz DC

Power Loss

3.83 W at Rated Operating Conditions per Pole 3.83 W

Power Supply Connection

Please Note Polarity of Device

Contact Position Indication

ON / OFF

Energy Limiting Class

Electrical Endurance

1500 DC cycle 10000 AC cycle

Mechanical Endurance

20000 cycle

Number of Protected Poles

Number of Poles

Overvoltage Category

III

Tightening Torque

2.8 NÂ·m

Actuator Type

Toggle

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

Suitable for traction application

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 IPXXB 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

Interrupting Rating acc. to UL1077

(220 V DC) 10 kA

Width in Number of Modular Spacings

1.0

Product Net Width

17.5 mm

Product Net Height

88 mm

Product Net Depth / Length

69 mm

Product 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)

4897 >> Miniature circuit breakers

Manufacturer ID

2CDS271065R0405