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Square D®

SurgeArrest™ Whole Home Surge Protective Device

Mfg.#
HEPD50
Sku#
1827971

* Estimated stock levels as of Sun, May 3, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

HEPD whole house devices are designed to deliver AC surge protection for the entire AC power system in a home. HEPDs are compact in size and are designed to protect AC wires in the home from surges that could affect home electronics and appliances not connected to surge strips. For use on 120/240 VAC single phase, 3 wire systems with an isolated ground. This device provides 25 kA of short circuit protection and 50 kA of surge protection per phase. The surge protection device is in a NEMA 4X housing. The surge protection device is 3.23 inches tall, 3.72 inches wide and 2.10 inches deep. The surge protection device is UL listed.

Specifications

General

Current Rating 50 kA per phase
Enclosure Rating NEMA 4X
Input Voltage 600 V L-N, 600 V L - G, 1000 V L - L, 900 V N - G
Mounting Type Panel
Number of Phases 1
Overall Depth 3.72 in
Overall Length 6 in
Overall Width 1.42 in
Type Surge Protector
Volts 120/240
Wiring Configuration 3-wire (isolated ground)

Dimensions

Depth 2.10 in
Height 3.23 in
Width 3.72 in

Manufacturing Details
The following information is subject to change without notice

Country of Origin MX
Prop 65 Warning Warning WARNING: This product can expose you to chemicals including: Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Label Information

Certification, Codes, Standards UL 1449, CUL, UL 1449:ed. 4: type II

Related Documents

Brochure (PDF)

Installation Guide (PDF)

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