Square D Digest 179

U.S. Service Entrance Barrier Kits

NQ Panelboards—240 Vac, 48 Vdc

Online Refer to NQ Panelboards

www.se.com/us

Specifications

NQ Fingersafe Bus Ratings, Enclosures, and Circuit Counts

Enclo sures: NEMA types

Circuit Count

IP2X Design

Mains rating

18

30

42

54

72

84

100 225 400 225 400

X

X

— — — —

1, 2, 3R, 4/4X, 5, 12

Standard

— X — X

X X

X

X

X X

1

— X

1, 2, 3R, 4/4X, 5, 12

— — X — — X

— — — — — X

Enhanced

1

QO(B) Branch Circuit Breaker Ratings [129]

Branch Circuit Breaker

Amperes

1–Pole

2–Pole

3–Pole

10–60

L L

L L

L H H

QO/QOB

70

80–100 15–30 40–100 15–30 40–50 15–20 15–30 15–70 40–100 40–100

— — —

H L H L L

— — — — L

QO-H / QOB-H

L L L

QO-HID / QOB-HID QO-HM / QOB-HM

—

9 PANELBOARDS

—

L

L

QO- VH / QOB-VH

L

—

—

— —

H H

H

QOH [130] QHB [130]

— —

15–30

L

L

L (LowAmp) - QOFSLALB H (High Amp) - QOFSHALB

IP2X QO(B) Lug Covers:

Panelboards intended for use as service equipment, require a barrier over live field connected load terminals. Please select the appropriate barrier from the table below, based upon the main circuit breaker. Table 9.43: Line Side Barrier and Neutral Bonding Strap Kits

Contents

Catalog Number

Description

Line Lug Cover

Neutral Bonding Strap

NQ LA/LH Line Lug Cover and Neutral Bonding Strop and Lug

NQLALLC

NQ H/J/Q Line Lug Cover and Neutral Bonding Strap

NQHJQLLC

PowerPacT ™ L Line Lug Cover and Neutral Bonding Strap andLug

NQPPLLLC

[129] QOB circuit breakers and jaw kits required for Enhanced IP2X design. [130] Available only in standard IP2X design

9-21

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