Square D H663AWK - 100A, 600V, 6-Pole, Fused Disconnect Switch

The Square D H663AWK is a rugged, 100A, 600V six-pole fused disconnect switch engineered for reliable electrical isolation in demanding industrial and commercial environments. Built to endure daily use, it ensures safe, dependable disconnection under load while supporting lockout/tagout procedures for maintenance teams.

• Six-pole design provides complete isolation of all conductors in multi‑phase circuits, reducing risk during servicing and startup.
• Fused protection integrates fast-acting fuses to interrupt fault currents, helping protect downstream equipment and wiring from damage.
• 100A, 600V rating makes it suitable for feeders, motor circuits, and service entries in a variety of facilities.
• NEMA 3R enclosure offers practical protection for indoor and outdoor installations, standing up to weather, dust, and incidental contact.
• Lockout/tagout friendly design supports safe maintenance practices, ensuring energy isolation is clearly communicated and secured.
• Durable, long-term performance—built to endure repeated operations in challenging environments while preserving reliable disconnection when needed.

Ideal use scenarios:

• Industrial plant feeders and motor circuits requiring a dedicated isolation point with fuse protection.
• Commercial equipment rooms where safe, compliant lockout/tagout is essential during servicing.
• Outdoor or semi-exposed installations needing weather-rated enclosure with dependable performance.

Specifications at a glance:

• Amperage rating: 100A
• Voltage rating: 600V
• Number of poles: 6
• Enclosure rating: NEMA 3R
• Product type: Fused Disconnect Switch
• Brand: Square D
• Model: H663AWK

For facilities prioritizing safety, reliability, and clear, compliant electrical isolation, the Square D H663AWK fused disconnect switch provides a disciplined, durable solution that helps prevent downtime and protect personnel during maintenance and routine servicing. Add it to your electrical distribution plan and gain confidence with a proven, industry-standard isolation device.