S202MT-K0.5UC

Name: S202MT-K0.5UC
Brand: ABB
SKU: S202MT-K0.5UC

The ABB S202MT-K0.5UC is a high-performance miniature circuit breaker designed for DC applications, offering a 0.5A rating and 10kA short-circuit breaking capacity. It ensures reliable protection and meets IEC/EN 60947-2 standards.

Product ModelS202MT-K0.5UC

Material Number2CDS272065R0157

Product ID78705

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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Feature1. Reliable Protection for DC Applications The ABB S202MT-K0.5UC is specifically designed to handle DC circuits, providing robust protection against overloads and short circuits. Its high short-circuit breaking capacity of 10kA ensures that your equipment remains safe and operational.
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Feature2. Compliance with International Standards This miniature circuit breaker meets the stringent requirements of IEC/EN 60947-2, ensuring that it adheres to international safety and performance standards. This compliance provides peace of mind for users in various industries.
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Feature3. Compact and Efficient Design The S202MT-K0.5UC features a compact design that fits seamlessly into a variety of applications. Its efficient operation ensures minimal space usage while maintaining high performance, making it an ideal choice for space-constrained environments.
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Feature4. High Current Rating With a current rating of 0.5A, this circuit breaker is suitable for a wide range of DC applications. Whether you need protection for small-scale or medium-scale DC circuits, the S202MT-K0.5UC delivers reliable performance.

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

Operational Voltage

Maximum (Incl. Tolerance) 462 V AC Maximum (Incl. Tolerance) 500 V DC 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)

Feature5. Long-Term Durability Designed to withstand the rigors of continuous operation, the S202MT-K0.5UC boasts a high mechanical endurance of 20,000 operations. This durability ensures that the circuit breaker remains functional over an extended period, reducing the need for frequent replacements.

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)

0.5 A

Rated Short-Circuit Capacity

(AC) 7.5 kA (DC) 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)

(230 V AC) 10 kA (400 V AC) 10 kA (440 V AC) 10 kA (440 V DC) 10 kA (230 V) 10 kA

Rated Conditional Short-Circuit Current (Inc)

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

Rated Service Short-Circuit Breaking Capacity (Ics)

(230 V AC) 10 kA (440 V DC) 10 kA

Rated Frequency (f)

50 / 60 Hz DC

Power Loss

2.2 W at Rated Operating Conditions per Pole 1.1 W

Power Supply Connection

Please Note Polarity of Device

Contact Position Indication

ON / OFF

Energy Limiting Class

Electrical Endurance

1500 DC cycle 20000 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

20 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

Maximum Operating Voltage UL/CSA

500 V DC 480Y / 277 V AC

Interrupting Rating acc. to UL1077

(440 V DC) 10 kA

Connecting Capacity UL/CSA

Busbar 14-8 AWG Conductor 14-4 AWG

Tightening Torque UL/CSA

Main Circuit 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

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

2CDS272065R0157