ABB OS100GJ12 - 100A, 690V, 3-Pole, Disconnect Switch

Meet the ABB OS100GJ12, a high-performance 3-pole disconnect switch engineered for demanding industrial and commercial electrical environments. With a 100A rating and 690V maximum, it delivers clean, reliable electrical isolation and safe disconnection under load when maintenance or shutdowns are required. Built by ABB, this device is designed for long-term durability and safe lockout/tagout readiness, helping teams protect personnel and equipment.

Why operators choose the OS100GJ12

• Three-pole isolation ensures complete phase separation across all lines, minimizing the risk of backfeed and ensuring that downstream circuits are safely de-energized.
• Robust electrical rating 100A at 690V covers a broad range of industrial feeders and switchgear configurations.
• Lockout/tagout compatibility supports proven safety procedures, allowing maintenance personnel to secure the circuit during service without accidental re-energization.
• Under-load disconnection capability provides dependable shutdown performance even when circuits carry current, enhancing workplace safety and reducing downtime.
• Durable ABB build designed for harsh environments, delivering consistent performance and long service life in manufacturing floors, data centers, or commercial installations.

Ideal use cases

• Isolating feeders and branch circuits in industrial facilities during maintenance or repair work.
• Integrating with switchgear and panel assemblies that require reliable, code-compliant electrical isolation.
• Power-down procedures for critical equipment without compromising safety or workflow.
• Facilities management and electrical contractors seeking dependable, globally supported equipment.

Technical snapshot

• Brand: ABB
• Model: OS100GJ12
• Type: Disconnect Switch
• Poles: 3-Pole
• Current rating: 100A
• Voltage rating: 690V

Choosing the ABB OS100GJ12 means equipping your electrical system with a trusted disconnect switch that balances safety, reliability, and practical maintenance needs. Whether you're outfitting a new installation, upgrading a control panel, or standardizing safety devices across multiple lines, this switch offers a dependable solution backed by ABB's engineering and support network.