Retrofit SPDs for I-Line and NQ Panelboards

Retrofit and Field Installable Surge Protective Devices. For high-performance surge suppression at critical power locations, a variety of Surgelogic products have been designed specifically for retrofitting into commonly used Square D systems. The I-Line plug-on units and the SurgeLoc for the NQ panelboards come ready to install. Additional information can be found on the Advanced Power and Equipment Surge Protection product range.

Retrofit / Field Installable Internally Mounted SPDs

I-Line™ Surgelogic

SPD Unit

These units are designed to simplify retrofitting SPDs into I-Line, and NQ Panelboard applications.

Audible alarm with enable/disable switch, dry contacts and surge counter standard
200 kA SCCR withstand
Indicator LEDs
EMI/RFI filtering
Catalog numbers with a "1" suffix are UL Type 1 devices, and without the "1" suffix are UL Type 2 devices

Internally Mounted SPDs — Retrofit / Ready To Install

Voltage	Surge Current Rating	I-Line Branch Units ^[1]
Voltage	Surge Current Rating	Type HL Catalog Numbers	Type HR (Retrofit) Catalog Numbers
208Y/120 V, 3-phase, 4-wire + ground ^[2] ^[3] Wye	120 kA	HL2IMA12C HL2IMA12C1	—
	160 kA	HL2IMA16C HL2IMA16C1	—
	240 kA	HL2IMA24C HL2IMA24C1	HR2IMA24C
240 V, 3-phase, 3-wire + ground, Delta	240 kA	HL6IMA24C	—
480Y/277 V, 3-phase, 4-wire + ground ^[2] ^[4] Wye	120 kA	HL4IMA12C HL4IMA12C1	HR4IMA12C
	160 kA	HL4IMA16C HL4IMA16C1	—
	240 kA	HL4IMA24C HL4IMA24C1	HR4IMA24C
480 V, 3-phase, 3-wire + ground, Delta ^[5]	240 kA	HL5IMA24C HL5IMA24C1	HR5IMA24C
600Y/347 V, 3-phase, 4-wire + ground ^[2] Wye	160 kA	—	HR8IMA16C HR8IMA16C1
600Y/347 V, 3-phase, 4-wire + ground ^[2] Wye	240 kA	—	HR8IMA24C HR8IMA24C1

Section 6: Surge Protective Devices (SPDs) and Easy UPS 3S

Section 6: Surge Protective Devices (SPDs) and Easy UPS 3S

Retrofit SPDs for I-Line and NQ Panelboards

Retrofit / Field Installable Internally Mounted SPDs

Internally Mounted SPDs — Retrofit / Ready To Install

Footnotes