Square D Digest 179

I-Line™ Panelboards—600 Vac, 250 Vdc

Molded Case Circuit Breakers for I-Line Panelboards Refer to I-Line Power Distribution Panelboards

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I-Line HQO Accessory For phase option information see Table 9.119. Table 9.118: QO™ Distribution Panel—240 Vac Max. Only Mounts in Type HCJ, HCP, HCP-SU, or HCR-U I-Line panelboards, 30 A max. branch circuit breaker.

Mounting Height

2-pole Catalog Number

3-pole Catalog Number

Maximum No. 1-pole QO Circuit Breakers

Phase Connection

In. 4.5 4.5 4.5 4.5 4.5

mm 114 114 114 114 114

HQO206AB HQO206BC HQO206AC

6 6 6 6 6

AB BC AC

— — —

HQO306

ABC CBA

— —

HQO306CBA

Table 9.119: Phase Options Suffix Numbers for B/Q-frame Circuit Breakers Phase Option Number Phase Connection 1-pole

2-pole

3-pole

1 3 5 1 2 3 4 5 6

A B C

BDA140151 BDA140153 BDA140155

— — —

— — — — — — — — —

QBA220701 QBA220702 QBA220703 QBA220704 QBA220705 QBA220706

AB AC BA BC CA CB

— — — — — — — —

9 PANELBOARDS

Standard [39]

QBA32070 QBA320706

ABC CBA

— —

6

[39] The absence of a phase option number after a 3-pole catalog number will result in an ABC phase connection.

9-51

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