SQUARE D HWA31 Chase-Nipple External-Mount SPD
The SQUARE D Surge Protection Device is a three-phase, chase-nipple external-mount SPD (MPN HWA31) with a plastic enclosure. It operates at 120/240V AC High Leg Delta with a max. continuing operating voltage of…
SKU 3G-OTH-22978
Also listed as: HWA 31 · HWA-31
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SQUARE D Surge Protection Device is a three-phase, chase-nipple external-mount SPD (MPN HWA31) with a plastic enclosure. It operates at 120/240V AC High Leg Delta with a max. continuing operating voltage of 150/270 V AC, a voltage protection rating of 700V (N-G), and a max. surge current per mode of 50kA. The unit includes dry contacts for remote monitoring.
Frequently Asked Questions
What is the SQUARE D HWA31 surge protection device used for?
The SQUARE D HWA31 is a three-phase, chase-nipple external-mount SPD designed to protect electrical equipment from transient overvoltages in 120/240V AC High Leg Delta systems. It is commonly used in industrial and commercial facilities to safeguard sensitive controls, drives, and instrumentation from lightning and switching surges.
What are the specifications of the SQUARE D HWA31?
The SQUARE D HWA31 operates at 120/240V AC High Leg Delta with a max. continuing operating voltage of 150/270 V AC. It offers a voltage protection rating of 700V (N-G) and a max. surge current per mode of 50kA. The plastic enclosure is rated Type 4X, and it includes dry contacts for remote monitoring.
Where to buy the SQUARE D HWA31 worldwide?
3G Electric supplies the SQUARE D HWA31 surge protection device to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this genuine SQUARE D part.
How to install the SQUARE D HWA31 surge protector?
Install the SQUARE D HWA31 by mounting it externally via the chase nipple to the panel. Connect the line, neutral, and ground conductors per the wiring diagram for 120/240V AC High Leg Delta. Ensure the unit is properly grounded and the dry contacts are wired to your monitoring system. Follow all local electrical codes.
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Common applications for SQUARE DSQUARE D Products
3G Electric supplies SQUARE D chase-nipple external-mount spds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.