Square 3G-OTH-127821 — Technical Specifications

Name: Square 3G-OTH-127821 SQUARE D Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N, 150 V AC (MPN QO2175SB). Key specifications — attr196187: 120/240V AC; attr196189: 3 Wires; attr196190: L-N; attr196194: 150 V AC; attr196196: 700V (L-N); attr196197: 22kA; attr196200: No; attr196202: Plastic.
Brand: Square

The SQUARE D QO2175SB is a single-phase surge protection device (SPD) for internal panel-mounting in QO load centers, rated 120/240V AC, 3 wires, L-N configuration, with a maximum continuous operating voltage of 150 V AC and a surge current capacity of 22kA (L-N). This plastic-housed unit is designed for use with Square D QO, HOM, I-Line, and NQ panels.

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Technical Specifications

Parameter	Value
AC	120/240V
Type	L-L/L-N
Poles	2
Wires	3
Manufacturer Part Number	QO2175SB