ABB System Pro M Compact SU200M MCB, 3P, 50A Curve K, 400V AC, 400V DC, 15 kA Breaking Capacity

Subtotal (1 box of 1 unit)*

£223.69

(exc. VAT)

£268.43

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 29 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Box(es)
Per Box
1 +£223.69

*price indicative

RS Stock No.:
231-9765
Mfr. Part No.:
2CDS273337R0577 SU203M-K50
Brand:
ABB
Find similar products by selecting one or more attributes.
Select all

Brand

ABB

Number of Poles

3

Current Rating

50A

Tripping Characteristics

Type K

Rated AC Voltage

400V

Rated DC Voltage

400V

Breaking Capacity at Maximum Voltage Rating

15 kA

Range

System Pro M Compact

Series

SU200M

Circuit Breaker Type

MCB

Width

52.5mm

Length

111mm

Mounting Style

DIN Rail Mount

Depth

69mm

Model Number

SU203M-K50

Reset Actuator Type

Toggle Switch

Terminal Contact Type

Screw

COO (Country of Origin):
BG

ABB SU200M Series MCB, 3 Poles, 50A Current Rating - 2CDS273337R0577 SU203M-K50


This miniature circuit breaker is designed to provide effective electrical circuit protection across various applications. As part of the System Pro M Compact range, it ensures safe and reliable operation in electrical installations. This unit plays a vital role in interrupting fault currents, safeguarding both circuits and connected equipment from potential damage.

Features & Benefits


• 50A current rating for efficient operation
• Type K tripping characteristic for sensitivity
• 3 poles to protect multiple circuits simultaneously
• 10kA breaking capacity for enhanced security
• Suitable for DIN rail installation for easy integration
• Capable of withstanding temperatures from -25°C to 55°C

Applications


• Suitable for residential and commercial electrical distribution
• Ideal for industrial machinery and automation systems
• Used in motor protection and control panels
• Appropriate for HVAC systems and other mechanical installations

How should the unit be mounted in my electrical panel?


The breaker can be mounted easily on standard DIN rails, ensuring a secure fit in your panel.

What type of devices can this breaker protect?


It is designed to protect circuits and appliances against overcurrent and short circuit faults.

Can it operate in extreme temperatures?


Yes, it functions effectively in ambient temperatures ranging from -25°C to 55°C.

Is there a specific installation guide available?


An installation guide is included in the product documentation to assist with proper setup.

Related links