ABB S202-C3 - 3A, 2-Pole, Miniature Circuit Breaker (MCB)

The ABB S202-C3 is a purpose-built miniature circuit breaker (MCB) designed to deliver precise, dependable overcurrent protection in compact, mission-critical panels. With a 3A current rating and a 2-pole configuration, this device safeguards both conductors in small to medium distribution circuits, making it ideal for panelboards, switchboards, and control panels where reliable protection is non-negotiable.

Why the ABB S202-C3 stands out

Performance you can trust in a space-saving form factor. The 2-pole arrangement ensures synchronized protection across both live lines, reducing the risk of unnoticed faults in multi-conductor circuits. Built for industrial, commercial, and OEM environments, this MCB supports safe startup, steady operation, and straightforward integration into existing electrical layouts.

Key specifications at a glance

• Current rating: 3A
• Poles: 2-Pole
• Breaker type: Miniature Circuit Breaker (MCB)

Ideal applications and use cases

• Panelboards and switchboards requiring compact, reliable overcurrent protection
• Control panels for machinery, HVAC systems, and automation equipment
• Industrial, commercial, and OEM installations where space is at a premium and protection must be precise
• Motor control centers and distribution panels that demand dependable interruption to prevent damage and downtime

What this means for you

With the ABB S202-C3, you gain a trusted protection solution that minimizes nuisance trips while maintaining fast, predictable response to faults. Its 3A rating is perfectly matched for low-current circuits and sensitive control circuits, helping protect wiring, sensors, relays, and actuators from overloads without compromising performance. In practice, this means less unplanned maintenance, reduced wear on downstream components, and smoother overall system operation.

Practical guidelines for implementation

• Ensure the 3A, 2-pole configuration aligns with your circuit’s voltage and load profile for accurate protection.
• Integrate the S202-C3 into compatible panelboards, switchboards, or control panels using standard termination practices and manufacturer recommendations.
• Coordinate with your overall protection strategy, pairing this MCB with upstream fusing or other protective devices as appropriate for the installation.
• Plan for straightforward replacement or retrofit in existing assemblies by noting mounting footprint and terminal accessibility.

Reliability, safety, and long-term value

ABB’s reputation for robust electrical protection translates into consistent performance in demanding environments. The S202-C3 is built to maintain electrical safety, minimize downtime, and support efficient maintenance cycles — a practical choice for facilities that rely on steady, uninterrupted operation.