ABB SU200 M Miniature Circuit Breaker, 4-Pole, 30 A, Type K, 480 V ac AC, 15 kA Breaking Capacity

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RS Stock No.:
201-261
Mfr. Part No.:
2CDS274337R0527
Manufacturer:
ABB
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Brand

ABB

Product Type

Miniature Circuit Breaker

Number of Poles

4

Current Rating

30 A

Tripping Characteristics

Type K

Rated AC Voltage

480 V ac

Breaking Capacity

15kA

Mount Type

DIN Rail

Series

SU200 M

Terminal Type

Screw

IP Rating

IP20, IP40

Standards/Approvals

UL 489, CSA 22.2 No. 5, IEC/EN 60947-2

Width

70 mm

Height

111mm

Depth

69mm

COO (Country of Origin):
DE

ABB SU200 M Series MCB, 30A Current Rating, 4 Poles - 2CDS274337R0527


This SU204M-K30 is a robust miniature circuit breaker designed for efficient electrical protection in various applications. As a 4 pole circuit breaker rated at 30A, it operates effectively at a maximum voltage of 480V. This device is engineered for mounting on DIN rail with a compact depth of 69mm, making it suitable for diverse installations where space efficiency is essential.

Features & Benefits


• Type K circuit breaker offers tailored tripping characteristics for specific applications

• Exceptional breaking capacity of 15 kA ensures reliable circuit protection

• Thermal electromechanical mechanism provides dual-action tripping for enhanced safety

• Equipped with screw terminal types for secure and durable connections

• Complies with international standards including IEC/EN 60947-2 for assured quality

• Visual indicator displays operational status, enhancing user awareness

Applications


• Used with industrial machinery to safeguard against overloads

• Suitable for commercial electrical distribution networks

• Utilised in automation systems requiring reliable circuit interruption

• Effective in residential for circuit stability

• Ideal for electrical panels needing robust protective components

What parameters should be considered for installation regarding ambient temperature?


The operational ambient temperature range is -25°C to +55°C, ensuring functionality in varying environments. When installed, the equipment will perform optimally at a reference temperature of 30°C.

How does the tripping characteristic of this breaker affect its performance?


With a Type K tripping characteristic, this breaker is designed to withstand temporary overloads while providing protection against prolonged fault conditions. This makes it ideal for circuits with inductive loads, where inrush currents can cause nuisance tripping.

What is the importance of the breaking capacity in circuit breakers?


The breaking capacity indicates the maximum fault current that the circuit breaker can safely interrupt. A rating of 15 kA ensures that the SU204M-K30 can handle significant short-circuit currents, preventing damage to the connected electrical infrastructure.

How can one determine the suitability of this MCB for specific installations?


It is essential to evaluate factors such as the operational voltage required, the total current load, and environmental conditions of the installation site. Consulting the specifications like rated current and breaking capacity aids in determining the appropriateness of this MCB for the intended application.

What accessories or connection options are available for use with this circuit breaker?


The circuit breaker supports a variety of connections such as flexible and rigid wires, accommodating a range of sizes from 0.75mm² to 35mm². Additional accessories like busbars are also available for enhanced connectivity.

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