ABB S3L - 100A, 3-Pole, Circuit Breaker

Introducing the ABB S3L - 100A, 3-Pole Circuit Breaker—a dependable overcurrent protection solution built for demanding electrical systems. Designed to safeguard three-phase power, this unit provides reliable interruption across all three lines, making it an essential component in modern distribution and motor control environments.

Key specifications at a glance

• Current rating: 100A — precise protection for feeders, motors, and connected equipment.
• Poles: 3-Pole — ideal for 3-phase circuits in multi-panel setups.
• Breaker type: Circuit Breaker — fast, predictable fault interruption to minimize damage and downtime.
• Applications: panelboards, switchboards, and control panels — flexible integration across a range of electrical architectures.

In practical terms, the ABB S3L 100A 3-Pole breaker is tailored for industrial, commercial, and OEM applications where dependable protection and safe operation are non-negotiable. It shines in distribution panels and motor control centers, where protecting three-phase loads and ensuring equipment longevity directly translate to reduced maintenance costs and fewer unplanned outages.

Why this matters for your operations

• Protects three-phase systems from overcurrent events, helping prevent overheating, insulation damage, and costly downtime.
• Suitable for use as a main or feeder breaker in panelboards and switchboards, enabling clear, organized protection zones within your electrical infrastructure.
• Supports reliable motor control scenarios in MCCs, safeguarding motors during startup and fault conditions.

Who should consider the ABB S3L 100A 3-Pole Circuit Breaker?

• Electrical engineers and technicians designing or upgrading distribution panels, MCCs, or automation enclosures.
• OEMs integrating robust overcurrent protection into equipment destined for industrial environments.
• Facility managers seeking a durable, easy-to-specify protection device that aligns with three-phase power systems.

Practical tips for optimal use

• Match this 100A, 3-Pole breaker to three-phase loads to ensure balanced protection across all phases.
• Plan its placement as a main or feeder breaker within panelboards and switchboards to simplify fault isolation and maintenance.
• Coordinate with downstream protection devices to achieve selective tripping and minimize disruption during faults.