Square D HU100-3MC6B - 480V, Disconnect Switch

Introducing the Square D HU100-3MC6B - 480V, Disconnect Switch—a rugged, high-performance solution built for industrial and commercial environments where safe electrical isolation is non-negotiable. Designed to deliver dependable disconnection under load, it supports proper lockout/tagout procedures and stands up to demanding service over the long term.

Why this disconnect switch stands out

• Reliable 480V isolation caters to mid-to-high voltage applications common in industrial settings, ensuring safe de-energization when work is needed.
• Lockout/tagout compatibility helps you meet safety regulations and protect personnel during maintenance, servicing, and testing.
• Positive disconnection under load provides confidence that circuits can be isolated quickly and effectively, reducing downtime and risk during faults or emergencies.
• Durable, long-term performance is built to withstand the rigors of busy facilities, delivering consistent operation project after project.
• Trusted brand heritage from Square D brings reliability and support you can rely on for critical safety tasks.

Key specifications

• Voltage Rating: 480V
• Product Type: Disconnect Switch
• Brand: Square D
• Model: HU100-3MC6B

Ideal use cases

• Maintenance shutdowns where safe, verifiable isolation is required
• Emergency and fault-induced disconnections to protect personnel and equipment
• Periodic testing and commissioning in industrial or commercial electrical systems

How this enhances safety and reliability

The HU100-3MC6B is purpose-built for environments where the stakes are high: it combines robust isolation capabilities with support for lockout/tagout procedures, helping teams prevent accidental re-energization during service. Its emphasis on dependable disconnection under load ensures that critical work can proceed with reduced risk, while its durable design promotes consistent performance across years of use. If you’re upgrading safety-critical infrastructure or outfitting new electrical rooms, this disconnect switch offers a concrete, tangible upgrade in reliability and compliance.

Practical tips for getting the most from your HU100-3MC6B

• Pair with appropriate lockout/tagout devices and clearly labeled safety tags to maximize on-site safety during maintenance.
• Verify compatibility with your existing electrical panels or switchgear before installation to ensure seamless integration.
• Document regular inspection and functional testing as part of your safety program to maintain optimal performance over time.