SE Digest 178

I-Line™ Panelboards—600 Vac, 250 Vdc

Molded Case Circuit Breakes 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 9.126.

Table 9.125: QO™ Distribution Panel—240 Vac Max. Only Mounts in Type HCM, 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

9 PANELBOARDS

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 9.126: Example: BD, 20 A 1-Pole, 277 Vac and 90 A 2- and 3- Pole BD 240 Vac. Use phase option number for BD, BG, BJ, HD, HG, HJ, HL, HR, JD, JG, JJ, JL, JR, MG, andMJ.

Phase Option Number

Phase Connection

1-pole

2-pole

3-pole

1 3 5 1 2 3 4 5 6

A B C

FJA140201 FJA140203 FJA140205

— — —

— — — — — — — — —

QBA220701 QBA220702 QBA220703 QBA220704 QBA220705 QBA220706

AB AC BA BC CA CB

— — — — — — — —

Standard [43]

QBA32070 QBA320706

ABC CBA

— —

6

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

9-54

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