S201-Z25

Name: S201-Z25
Brand: ABB
SKU: S201-Z25

The ABB S201-Z25 is a high-performance miniature circuit breaker designed for 1P, 25A applications. It features delayed thermal and electromechanic tripping mechanisms, ensuring reliable overload and short-circuit protection. Compatible with residential, commercial, and industrial settings, this MCB meets IEC/EN 60898-1, IEC/EN 60947-2, and UL1077 standards. It also includes a bottom-fitting auxiliary contact for space-saving installation.

Product ModelS201-Z25

Material Number2CDS251001R0518

Product ID78544

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Protection MechanismsThe S201-Z25 features two tripping mechanisms—delayed thermal for overload protection and electromechanic for short-circuit protection—ensuring comprehensive safety in your electrical system.
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2. Versatile ApplicationsSuitable for residential, commercial, and industrial applications, this MCB meets the stringent standards of IEC/EN 60898-1, IEC/EN 60947-2, and UL1077, making it a versatile choice for various settings.
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3. Space-Saving DesignThe bottom-fitting auxiliary contact allows for a 50% reduction in space, making it ideal for installations where space is limited.
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4. High-Performance Interrupting RatingWith an interrupting rating of up to 6 kA at 230/400 V AC, this MCB provides robust protection against electrical surges and faults.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

IEC/EN 60898-1 IEC/EN 60947-2 UL 1077

Tripping Characteristic

Rated Operational Voltage

acc. to IEC 60898-1 230 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 Maximum (Incl. Tolerance) 72 V DC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

5. Compliance with International StandardsThe S201-Z25 is designed to comply with international standards, ensuring that it meets the highest safety and performance criteria for miniature circuit breakers.

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)

25 A

Rated Short-Circuit Capacity

(AC) 6 kA (DC) 6 kA (230 V AC) 6 kA (400 V AC) 6 kA (230 V) 6 kA (400 V) 6 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(133 V AC) 20 kA (230 V AC) 10 kA (24 V DC) 20 kA (60 V DC) 10 kA (230 V) 10 kA (400 V) 10 kA

Rated Conditional Short-Circuit Current (Inc)

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

Rated Service Short-Circuit Breaking Capacity (Ics)

(133 V AC) 15 kA (230 V AC) 7.5 kA

Frequency (f)

50 Hz

Rated Frequency (f)

50 / 60 Hz

Power Loss

3.3 W at Rated Operating Conditions per Pole 3.3 W

Power Supply Connection

Arbitrary

Contact Position Indication

Red ON / Green OFF

Energy Limiting Class

Electrical Endurance

20000 AC cycle

Mechanical Endurance

20000 cycle

Number of Protected Poles

Number of Poles

Overvoltage Category

III

Tightening Torque

2.8 NÂ·m

Mounting Type

DIN-Rail

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 Rigid 0.75 ... 35 mmÂ² Rigid 0.75 ... 35 mmÂ² Stranded 0.75 ... 35 mmÂ²

Installation Size

acc. to DIN 43880 1

Wire Stripping Length

12.5 mm

Terminal Type

Screw Terminals

Ambient Air Temperature

Operation -25 ... +55 Â°C Storage -40 ... +70 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 (60 V DC) 10 kA (120 V) 10 kA

Connecting Capacity UL/CSA

Busbar 18-8 AWG Conductor 18-4 AWG

Tightening Torque UL/CSA

18 inÂ·lb

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

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

2CDS251001R0518