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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

Brand
SQUARE D
Item
Surge Protection Device: Three Phase, 120/240V AC High Leg Delta
Category
Chase-Nipple External-Mount SPDs
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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
View Full Spec Sheet

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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.

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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