Siemens ED43S100A - 100A, 480V, 3-Pole, Disconnect Switch

Siemens ED43S100A is a rugged, high-performance 3-pole disconnect switch engineered for industrial and commercial environments where safe electrical isolation is non-negotiable. With a 100A rating and a 480V operating window, it delivers reliable disconnection under load and stands up to the demands of continuous operation. It also supports proper lockout/tagout procedures, helping maintenance teams isolate circuits quickly and safely.

Why it stands out

• Three-pole configuration for complete three-phase isolation
• 100A current rating across 480V systems for demanding equipment
• Built for long-term durability in harsh environments
• Rapid, dependable disconnection under load to protect personnel and equipment
• Lockout/tagout compatible design to simplify safe maintenance and compliance
• Seamless integration into existing electrical distribution setups

Ideal applications

Best suited for motor control centers, distribution panels, HVAC and processing lines, manufacturing floor equipment, and other industrial or commercial power-distribution scenarios where quick and secure isolation is essential.

Key specifications

• Amperage rating: 100A
• Voltage rating: 480V
• Number of poles: 3-Pole
• Product type: Disconnect Switch
• Brand: Siemens
• Model: ED43S100A

Practical insights for deployment

To maximize safety and uptime, pair the ED43S100A with standard lockout/tagout practices and ensure electrical panels are de-energized before servicing. Its robust construction is designed for consistent performance in day-to-day operations, reducing the risk of unexpected power interruptions and easing maintenance workflows.