S203M-B32 OVR

Name: S203M-B32 OVR
Brand: ABB
SKU: S203M-B32 OVR

The ABB S203M-B32 OVR is a high-performance miniature circuit breaker designed for 3-phase applications. It features dual tripping mechanisms for both overload and short circuit protection, ensuring reliable electrical safety. With a rated current of 32A and a short circuit breaking capacity of 10kA, it is suitable for a wide range of residential, commercial, and industrial settings.

Product ModelS203M-B32 OVR

Material Number2CDS273023N0325

Product ID79884

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Dual Tripping MechanismsThe S203M-B32 OVR features two distinct tripping mechanisms: a delayed thermal tripping mechanism for overload protection and an electromechanical tripping mechanism for short circuit protection, providing comprehensive safety against both overcurrents and short circuits.
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2. High Breaking CapacityWith a short circuit breaking capacity of 10kA, this MCB can handle high current surges effectively, ensuring the circuit is protected from severe electrical faults.
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3. Versatile ApplicationDesigned for 3-phase applications, the S203M-B32 OVR is suitable for a variety of settings, including residential, commercial, and industrial use, making it a versatile solution for different electrical needs.
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4. Compliance with International StandardsThe product complies with IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring it meets the highest safety and performance requirements for miniature circuit breakers.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Tripping Characteristic

Rated Operational Voltage

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

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

Rated Current (In)

32 A

5. Compact DesignThe S203M-B32 OVR is part of the System ProM Compact series, which offers a compact design that fits seamlessly into DIN rail mounting systems, saving space while maintaining high performance.

Rated Short-Circuit Capacity

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

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

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

Rated Conditional Short-Circuit Current (Inc)

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

Rated Service Short-Circuit Breaking Capacity (Ics)

(230 V AC) 7.5 kA

Rated Frequency (f)

50 / 60 Hz

Power Loss

11.1 W at Rated Operating Conditions per Pole 3.7 W

Energy Limiting Class

Number of Protected Poles

Number of Poles

Overvoltage Category

III

Accessories Available

Yes

Connecting Capacity

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

Ambient Air Temperature

Operation -25 ... +55 Â°C

Degree of Protection

IP20 IP40

Pollution Degree

Interrupting Rating acc. to UL1077

(277 V AC) 6 kA

Width in Number of Modular Spacings

3.0

Product Net Width

52.5 mm

Product Net Height

88 mm

Product Net Depth / Length

69 mm

Product Net Weight

0.42 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

Manufacturer ID

2CDS273023N0325