Better World

ABB System Pro M Compact System Pro M Compact Miniature Circuit Breaker, 1-Pole, 4A, Type K, 253V ac AC, 72 V dc DC, 6

View all MCBs
Bulk discount available

Subtotal (1 unit)*

SGD54.33

(exc. GST)

SGD59.22

(inc. GST)

Add to Basket
Select or type quantity
In Stock
  • 23 unit(s) ready to ship from another location
  • Plus 25 unit(s) shipping from 23 September 2026
  • Plus 100 unit(s) shipping from 25 September 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units
Per unit
1 - 5SGD54.33
6 - 11SGD53.19
12 +SGD51.60

*price indicative

Better World

Our Better World range features products that make it easy for you to make a greener product choice you can trust. Click here to find out more.

RS Stock No.:
514-0119
Mfr. Part No.:
2CDS251001R0337 S201-K4
Manufacturer:
ABB
Find similar products by selecting one or more attributes.
Select all

Brand

ABB

Product Type

Miniature Circuit Breaker

Number of Poles

1

Current Rating

4A

Tripping Characteristics

Type K

Rated AC Voltage

253V ac

Rated DC Voltage

72V dc

Breaking Capacity

6kA

Mount Type

DIN Rail

Range

System Pro M Compact

Series

System Pro M Compact

Terminal Type

Cage Terminal

IP Rating

IP20, IP40

Height

88mm

Standards/Approvals

IEC/EN 60898-1, IEC/EN 60947-2

Depth

69mm

Width

69mm

Better World Product

Yes

Better World Claim

Designed for Disassembly

Reset Actuator Type

Toggle Switch

Tripping Mechanism

Electromagnetic, Thermomagnetic

RoHS Status: Exempt

COO (Country of Origin):
DE

ABB S200 Series MCB, 1 Pole, 4A Current Rating - 2CDS251001R0337 S201-K4


This miniature circuit breaker (MCB) is engineered to protect electrical circuits effectively across various applications. With a current rating of 4A and Type K tripping characteristics, it ensures reliable performance during fluctuating electrical loads. As part of the System M Pro range, it features a compact design and robust functionality, making it a significant component in electrical installations.

Features & Benefits


• 1P configuration provides straightforward single-phase protection

• Type K tripping characteristics enhance responsiveness

• Protects against overloads and short circuits

• Compact design ideal for DIN rail mounting

• Rated AC voltage of 253V accommodates diverse applications

• Breaking capacity of 6kA ensures safety

Applications


• Suitable for branch circuit protection in domestic installations

• Utilised in automation and control systems for effective circuit protection

• Commonly employed in machinery and plant control circuits

• Compatible with finely stranded conductor systems

• Designed for environments requiring frequent disassembly and maintenance

What precautions should I take during installation?


Ensure that the contact surfaces of conductors are clean and treated to maintain good electrical contact.

Can I use it in environments with high ambient temperatures?


It functions effectively in ambient temperatures ranging from -25°C to +55°C, providing versatility in varying conditions.

How should I maintain this circuit breaker for optimal performance?


Regular checks on connections and terminal cleanliness will help maintain its efficiency over time.

Is this device compatible with aluminium conductors?


Yes, provided that the conductors are cleaned and prepared properly before connection.

What is the reaction time for tripping under overload conditions?


The K-type curve is designed for quick tripping under specific overload conditions, enhancing system safety.

Standards

IEC/EN60947-2

Related links