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SQUARE D Surge Protection Device: Three Phase, 277/480V 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, 277/480V AC Wye, 3 Poles

The SQUARE D Surge Protection Device: Three Phase (MPN HL4IMA16C) is a Square D QO, HOM, I-Line and NQ Internal Panel-Mount SPD designed for I-Line Panelboards. It operates on a 277/480V AC Wye system with 4 wires…

SKU 3G-OTH-127860

Brand
SQUARE
Item
D Surge Protection Device: Three Phase, 277/480V AC Wye, 3 Poles
Category
Square D QO, HOM, I-Line and NQ Internal Panel-Mount SPDs
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Technical Specifications

SQUARE
Manufacturer Part Number
HL4IMA16C
Type
4 + Ground Wires
AC
320 V
Poles
3
AC Wye
277/480V
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SQUARE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D Surge Protection Device: Three Phase (MPN HL4IMA16C) is a Square D QO, HOM, I-Line and NQ Internal Panel-Mount SPD designed for I-Line Panelboards. It operates on a 277/480V AC Wye system with 4 wires plus ground, L-L configuration, and a 320 V AC voltage rating. Key specifications include a 1500V (L-N) protection level, 200kA surge current capacity, and dry contacts for remote monitoring.

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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