SE Digest 178

QO™ and QOU Miniature Circuit Breakers

QO™ Mounting Bases

Class 652 / Catalog 0730CT9801 , 0860CT0201

www.se.com/us

Table 7.18: Solid Neutral Assemblies MainLug Rating Number of Branch Neutral Terminals Cat. No.

Main Neutral Lug Wire Size Cu/Al

Branch Neutral Terminal Wire Size Cu Al

125A 125A 200A 200A 225A

12 20 12 30 42

SN12125 SN20 SN12200

4–2/0AWG 4–2/0AWG

14–4AWG 14–4AWG 14–4AWG 14–4AWG 14–4AWG

12–4AWG 12–4AWG 12–4AWG 12–4AWG 12–4AWG

4 AWG–300 kcmil 4 AWG–300 kcmil 4 AWG–300 kcmil

SN30 SN42

Table 7.19: Accessories for US Mounting Base for UL489 C60 Description Main lug kit for US mounting bases, 1 lug per kit, for 6 AWG to 300 kcmil cable Terminal cover for US mounting base; provides IP20 ingress protection per IEC 60529; suitable for jumper bars or cable

Cat. No. USMBLK USMBTC

7 MINIATURE AND MOLDED CASE

CIRCUIT BREAKERS

7-18

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