We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

SQUARE D Surge Protection Device: Three Phase, 120/240V AC High Leg Delta - Chase-Nipple External-Mount SPDs
SQUARE DChase-Nipple External-Mount SPDs

SQUARE D Surge Protection Device: Three Phase, 120/240V AC High Leg Delta

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

Brand
SQUARE D
Item
Surge Protection Device: Three Phase, 120/240V AC High Leg Delta
Category
Chase-Nipple External-Mount SPDs
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SQUARE D
Manufacturer Part Number
HWA31
Type
Plastic, 4X
AC
150/270 V
Voltage
120/240V AC High Leg Delta
Includes
Dry Contacts
AC High Leg Delta
120/240V
Enclosure Material
Plastic
Voltage Protection Rating
700V (N-G)
Max. Surge Current per Mode
50kA
Max. Continuing Operating Voltage
150/270 V AC

Technical Documents

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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE 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.

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