Square D 3G-OTH-22978 — Technical Specifications

Name: Square D 3G-OTH-22978 SQUARE D Surge Protection Device: Three Phase, 120/240V AC High Leg Delta, 150/270 V AC, Plastic, 4X (MPN HWA31). Key specifications — Voltage: 120/240V AC High Leg Delta; Includes: Dry Contacts; Max. Continuing Operating Voltage: 150/270 V AC; Voltage Protection Rating: 700V (N-G); Enclosure Material: Plastic; Max. Surge Current per Mode: 50kA; Brand: SQUARE D.
Brand: Square D

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.

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Technical Specifications

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