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SQUARE D Surge Protection Device: Three Phase, 120/208V AC Wye, 3 Poles - Square D QO, HOM, I-Line and NQ Internal Panel-Mount SPDs
SQUARESquare D QO, HOM, I-Line and NQ Internal Panel-Mount SPDs

SQUARE D Surge Protection Device: Three Phase, 120/208V AC Wye, 3 Poles

The SQUARE D Surge Protection Device (MPN HL2IMA12C) is a three-phase, 120/208V AC Wye internal panel-mount SPD for I-Line Panelboards. It features 4 wires plus ground, L-G protection, a 150 V AC rating, 1200V (L-L…

SKU 3G-OTH-127797

Brand
SQUARE
Item
D Surge Protection Device: Three Phase, 120/208V AC Wye, 3 Poles
Category
Square D QO, HOM, I-Line and NQ Internal Panel-Mount SPDs
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SQUARE
Manufacturer Part Number
HL2IMA12C
Type
4 + Ground Wires
AC
150 V
Poles
3
AC Wye
120/208V

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

Product Description

The SQUARE D Surge Protection Device (MPN HL2IMA12C) is a three-phase, 120/208V AC Wye internal panel-mount SPD for I-Line Panelboards. It features 4 wires plus ground, L-G protection, a 150 V AC rating, 1200V (L-L, L-N) surge capacity, and 200kA maximum surge current. The unit includes dry contacts for remote monitoring.

Frequently Asked Questions

What is the SQUARE D HL2IMA12C surge protection device used for?

The SQUARE D HL2IMA12C is a three-phase, 120/208V AC Wye internal panel-mount SPD designed for I-Line Panelboards. It protects sensitive equipment from voltage surges and transients in commercial and industrial electrical distribution systems, with 200kA maximum surge current and dry contacts for remote monitoring.

What are the specifications of the SQUARE D HL2IMA12C?

The SQUARE D HL2IMA12C is a three-phase, 120/208V AC Wye SPD with 3 poles, 4 wires plus ground, and L-G protection. It has a 150 V AC rating, 1200V (L-L, L-N) surge capacity, and 200kA maximum surge current. It includes dry contacts and is designed for I-Line Panelboards.

Where to buy the SQUARE D HL2IMA12C worldwide?

3G Electric supplies the SQUARE D HL2IMA12C surge protection device worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this SQUARE D SPD to any international destination.

How to install the SQUARE D HL2IMA12C surge protector?

Install the SQUARE D HL2IMA12C in a compatible I-Line Panelboard by mounting it on the bus bar and connecting the 4 wires plus ground per the wiring diagram. Ensure the system is de-energized before installation. Follow NEC guidelines and the manufacturer's instructions for proper L-G protection and dry contact wiring.

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 square d qo, hom, i-line and nq internal panel-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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Cross-referenced by specification & description
SQUARE D Surge Protection Device: Single Phase, 120/240V AC, 1000V (L-L, N-G)/600V (L-N)/700V (L-G) (MPN HEPD80)
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SQUARE D Surge Protection Device: Single Phase, 120V AC, 2 Poles, 3 Wires, L-N, 150 V(L-N) (MPN HFNF120IESE005)
SQUARE D Surge Protection Device: Single Phase, 120V AC, 2 Poles, 3 Wires, L-N, 150 V(L-N) (MPN HFNF120IESE020)
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SQUARE D Surge Protection Device: Single Phase, 120V AC, 2 Poles, 3 Wires, L-N, 150 V(L-N) (MPN HFNF120IESE020)
SQUARE D Surge Protection Device: Three Phase, 347/600V AC Wye, 1800V (L-N)/3000V (L-L), 510 V AC (MPN SDSA3650)
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SQUARE D Surge Protection Device: Three Phase, 347/600V AC Wye, 1800V (L-N)/3000V (L-L), 510 V AC (MPN SDSA3650)

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