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Supplemental and Obsolescence Digest 174

International Miniature Circuit Breakers

Plug-on QOVS Circuit Breakers

Class 738, 739

 

 

Application:

●	Control and protection of circuits against overloads and short circuits.

●	For international installations

●	For commercial and industrial electrical distribution systems

Technical Data:

●	IEC 60898-2 compliance

●	Current Rating: 10 to 63 A

●	Voltage Rating: 240/415 Vac 50/60 Hz

●	With Visi-Trip® Indication

●	Ics = Icm = 6000 A

●	Fast closing contacts

●	Number of operating cycles: 20000

●	C-curve tripping characteristics: magnetic release operates between 5 and 10 In

●	Impulse withstand voltage: 6 kA

●	Connection: plug-on

●	Installation: Square D Consumer Unit and Loadcenter

 

 

Table 7.9:

Plug-on QOVS Circuit Breakers

Rating	Breaking Capacity: 6 kA Ics = Icn = 6000A		Breaking Capacity: 10 kA Ics = 75% of Icn
	1P	3P	1P	2P	3P
10 A	QO110VSC6T	QO310VSC6T	QO110VSC10T	—	QO310VSC10T
16 A	QO116VSC6T	QO316VSC6T	QO116VSC10T	QO316VSC10T	QO316VSC10T
20 A	QO120VSC6T	QO320VSC6T	QO120VSC10T	QO320VSC10T	QO320VSC10T
25 A	QO125VSC6T	QO325VSC6T	QO125VSC10T	—	QO325VSC10T
32 A	QO132VSC6T	QO332VSC6T	QO132VSC10T	QO332VSC10T	QO332VSC10T
40 A	QO140VSC6T	QO340VSC6T	QO140VSC10T	QO340VSC10T	QO340VSC10T
50 A	QO150VSC6T	QO350VSC6T	QO150VSC10T	QO350VSC10T	QO350VSC10T
63 A	QO163VSC6T	QO363VSC6T	QO163VSC10T	QO363VSC10T	QO363VSC10T

 

 

 

 

DE2A	Discount Schedule

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Related Topics

Short circuit ratings Page 7-3

Accessories Page 7-2