Square D SDSA4040 Surge Protection Device 40kA 480Y/277 VAC 3 Phase 4 Wire

Product Description

The Square D SDSA4040 surge protection device is designed for use with load centers. This unit provides essential protection against voltage spikes and is easy to install. It fits into standard circuit breaker slots in QO or Homeline load centers, or NQ panelboards. The device is UL Listed as a Type 2 SPD and complies with Canadian and US standards, ensuring reliable operation in critical environments.

• Designed for 3 phase, 4 wire systems
• Rated for 40 kA surge current
• Suitable for outdoor use with NEMA 4X enclosure

Product Highlights

The SDSA4040 is essential for protecting sensitive equipment from surges caused by lightning and utility switching events.

Product Information

Standard Information

• Brand: Square D
• Manufacturer: Schneider Electric

Technical Specifications

• Catalog Number: SDSA4040
• Voltage Rating: 480Y/277 VAC
• Phase: 3
• Current Rating: 40 kA
• Country of Origin: United States
• Made in USA: Yes
• Panelboard Type: Review
• UPC: 785901558200