We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

SQUARE D Surge Protection Device: Single Phase, 120/240V AC, 1000V (L-L - Residential Whole House External-Mount SPDs
SQUAREResidential Whole House External-Mount SPDs

SQUARE D Surge Protection Device: Single Phase, 120/240V AC, 1000V (L-L

The SQUARE D HEPD80 is a single-phase residential whole house external-mount surge protective device (SPD) from SQUARE. It operates at 120/240V AC with a maximum continuous operating voltage of 150 V AC and a nominal…

SKU 3G-OTH-129771

Also listed as: HEPD 80 · HEPD-80

Brand
SQUARE
Item
D Surge Protection Device: Single Phase, 120/240V AC, 1000V
Category
Residential Whole House External-Mount SPDs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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.

Technical Specifications

SQUARE
Manufacturer Part Number
HEPD80
Type
1000V (L-L, N-G)/600V (L-N)/700V (L-G)
AC
120/240V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SQUARE D HEPD80 is a single-phase residential whole house external-mount surge protective device (SPD) from SQUARE. It operates at 120/240V AC with a maximum continuous operating voltage of 150 V AC and a nominal discharge current of 40kA. The unit features a plastic enclosure and is rated for 600V (L-N) surge protection.

Frequently Asked Questions

What is the SQUARE D HEPD80 surge protection device used for?

The SQUARE D HEPD80 is a residential whole house external-mount surge protective device (SPD) designed to protect home electrical systems from voltage spikes. It is typically installed at the main service panel to safeguard appliances, electronics, and wiring from surges caused by lightning or utility switching.

What are the specifications of the SQUARE D HEPD80?

The SQUARE D HEPD80 operates at 120/240V AC single phase with a maximum continuous operating voltage of 150 V AC. It provides 40kA nominal discharge current and offers surge protection ratings of 600V (L-N), 1000V (L-L, N-G), and 700V (L-G). The unit has a plastic enclosure and is manufactured by SQUARE D.

Where to buy the SQUARE D HEPD80 worldwide?

The SQUARE D HEPD80 is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on this SQUARE D surge protective device.

How to install the SQUARE D HEPD80 surge protector?

Install the SQUARE D HEPD80 externally near the main electrical panel, following local electrical codes. Mount the plastic enclosure securely, connect line, neutral, and ground wires per the manufacturer's wiring diagram, and ensure the unit is properly bonded. Always disconnect power before installation and consult a licensed electrician.

Used in

Common applications for SQUARE
Industrial power distribution — Square D HU362AWC non-fusible safety switch for disconnecting three-phase loads up to 60 A.
Busway branch circuits — Square D PQ4203G fusible bus plug for overcurrent protection in I-Line busway systems.
Panelboard surge protection — Square D HL4IMA24C SPD for transient voltage suppression in 277/480V AC wye systems.
Power distribution in control panels — Square D 9080LBA263106 open distribution block for splitting 400 kcmil conductors.
Machine control stations — Square D 9001BG303 push-button station for open/close/stop operations in industrial machinery.
Motor starting and protection — Square D 8536SBG2V02H30S NEMA starter for non-reversing three-phase motor control up to 18 A.

SQUARE Products

3G Electric supplies SQUARE residential whole house external-mount spds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SQUARE D Miniature Circuit Breaker: 200 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM2200)
SQUARE D
SQUARE D Miniature Circuit Breaker: 200 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM2200)
SQUARE D Miniature Circuit Breaker: 150 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM2150)
SQUARE D
SQUARE D Miniature Circuit Breaker: 150 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM2150)
SQUARE D Miniature Circuit Breaker: 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM225)
SQUARE D
SQUARE D Miniature Circuit Breaker: 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM225)
SQUARE D Miniature Circuit Breaker: 70 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM270)
SQUARE D
SQUARE D Miniature Circuit Breaker: 70 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM270)
SQUARE D Miniature Circuit Breaker: 45 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM245)
SQUARE D
SQUARE D Miniature Circuit Breaker: 45 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM245)
SQUARE D Miniature Circuit Breaker: 15 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM215)
SQUARE D
SQUARE D Miniature Circuit Breaker: 15 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN HOM215)

More from SQUARE

View all SQUARE parts