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2CDS273337R0024 ABB SU203M-C2 Miniature Circuit Breaker 2 A 3P C 10 kA UL489
ABB SU203M-C2 is a 2 A three-pole C characteristic UL 489 miniature circuit breaker with a 10 kA interrupting rating, designed for branch-circuit overload and short-circuit protection.
£148.25
Why Choose the ABB SU203M-C2 Miniature Circuit Breaker?
The ABB SU203M-C2 is a high-performance three-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in industrial and commercial electrical systems. As part of the ABB SU200M miniature circuit breaker series, it is designed for applications requiring UL 489 branch-circuit protection in a compact DIN-rail-mounted format.
This breaker combines a 2 A rated current with a C tripping characteristic, providing a practical balance between overload protection and tolerance of moderate inrush currents. Its three-pole configuration enables simultaneous protection of three conductors, making it suitable for three-phase equipment, machinery, control systems and distribution circuits.
With a 10 kA short-circuit interrupting rating and UL 489 compliance, the SU203M-C2 provides robust branch-circuit protection for demanding electrical installations. Its modular construction enables straightforward integration into DIN-rail-mounted control panels and distribution assemblies.
Key Advantages
- Compact three-pole miniature circuit breaker for branch-circuit protection.
- 2 A rated current suitable for low-current three-phase and control circuits.
- C tripping characteristic accommodates moderate starting and inrush currents.
- 10 kA short-circuit interrupting rating for robust fault protection.
- UL 489 circuit breaker for branch-circuit applications.
- Three-pole construction provides coordinated protection across three conductors.
- DIN-rail format supports efficient installation in electrical panels and equipment.
Key Features
- ABB SU200M miniature circuit breaker series.
- Three-pole configuration.
- 2 A rated current.
- C characteristic tripping curve.
- 10 kA short-circuit interrupting rating.
- Designed for UL 489 branch-circuit protection.
- Overload and short-circuit protection for downstream conductors and equipment.
- Compact modular construction for DIN-rail-mounted electrical assemblies.
Reliable Branch-Circuit Protection for Electrical Systems
Miniature circuit breakers such as the ABB SU203M-C2 automatically disconnect a circuit when excessive current occurs due to an overload or short circuit. This helps protect downstream wiring and equipment from damaging fault currents while providing a resettable protective device for electrical installations.
The C characteristic is suited to circuits where moderate transient currents can occur during normal switching or equipment start-up. Combined with its three-pole configuration, 2 A rating and UL 489 classification, the SU203M-C2 provides dependable branch-circuit protection for industrial control, automation and three-phase electrical applications.
Typical Applications
- Industrial electrical control panels.
- Three-phase control and auxiliary circuits.
- Machinery and factory automation equipment.
- Commercial and industrial distribution panels.
- Machine-building and OEM electrical systems.
- UL 489 branch-circuit protection applications.
Technical Specifications
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| Certification | UL 489 | |
|---|---|---|
| Series | SU200M | |
| ABB order code | 2CDS273337R0024 | |
| Product type | Miniature circuit breaker | |
| Number of poles | 3 | |
| Rated current | 2 A | |
| Tripping characteristic | C | |
| Short-circuit interrupting rating | 10 kA | |
| Standard / approval | UL 489 | |
| Protection function | Overload and short-circuit protection | |
| Mounting type | DIN rail |
Frequently Asked Questions
What is the ABB SU203M-C2 used for?
The SU203M-C2 is a three-pole miniature circuit breaker used to provide overload and short-circuit protection for branch circuits in industrial, commercial and machinery applications.
What is the current rating of the SU203M-C2?
The ABB SU203M-C2 has a rated current of 2 A.
What does the C characteristic mean?
The C tripping characteristic is suitable for circuits that can experience moderate starting or inrush currents during normal operation, including many industrial control and general-purpose loads.
What is the short-circuit rating of the ABB SU203M-C2?
The SU203M-C2 has a 10 kA short-circuit interrupting rating.
Is the ABB SU203M-C2 a UL 489 circuit breaker?
Yes. The SU203M-C2 is designed for UL 489 branch-circuit protection, distinguishing it from UL 1077 supplementary protectors intended for equipment-level supplementary protection.
Trusted Industrial Circuit Protection from ABB
ABB SU200M miniature circuit breakers provide compact and dependable branch-circuit protection for industrial control panels, machinery and electrical distribution systems where reliable overload and short-circuit protection is required.
