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Protection for 220V DC

7/10/2013 11:14 AM	Rate (0)
AMAZINGAHMED Posts: 719 Rating: (88)	Dear members, Does anyone has the experience for the following: 1- Protecting a cabinet which has a feeding of 220V DC (2 poles) and consumes about 16A 2- Protection of a 220V DC signal 0.5A (single pole)
AMAZINGAHMED Posts: 719 Rating: (88)
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7/10/2013 12:20 PM	Rate (0)
Valli Posts: 262 Rating: (45)	Hi, I will reply your second need first , for that i have selected an C curve MCB You can go for 5SY105-7 to meet your requirement of 0.5A Single pole 220VDC MCB ( refer the attachement. Against your requirement of 16 A @ 220V DC.. you can have 2nos single pole MCB of 16A i.e. 5SY5116-7 or have some lower rating MCB @ 440V. Because we can derate the Nominal Current at higher voltages. Or else, straight away you can use DIN Type fuse 3NA7805... Attachment DC CKT.pdf (545 Downloads)
Valli Posts: 262 Rating: (45)
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This contribution was helpful to 1 thankful Users AMAZINGAHMED

7/11/2013 9:40 PM	Rate (0)
AMAZINGAHMED Posts: 719 Rating: (88)	Is there any 220V DC fuses (small size) ??? I want to install them aside some terminal blocks
AMAZINGAHMED Posts: 719 Rating: (88)
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7/12/2013 5:38 AM	Rate (0)
SMHZ Posts: 315 Rating: (9)	AMAZINGAHMED Is there any 220V DC fuses (small size) ??? I want to install them aside some terminal blocks There are some terminal blocks which have space for a fuse in them like in WAGO etc. . for which you can use ESKA fuses
SMHZ Posts: 315 Rating: (9)
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7/12/2013 6:11 AM	Rate (0)
Valli Posts: 262 Rating: (45)	Hi, Will this work? see attachement Inform accordingly. Attachment CC Fuse.pdf (565 Downloads)
Valli Posts: 262 Rating: (45)
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7/12/2013 8:54 AM	Rate (0)
PISCEAN 2010 Posts: 8092 Rating: (884)	AMAZINGAHMED Dear members, Does anyone has the experience for the following: 1- Protecting a cabinet which has a feeding of 220V DC (2 poles) and consumes about 16A 2- Protection of a 220V DC signal 0.5A (single pole) Which protection needed? S/c, O/L what is the application?
PISCEAN 2010 Posts: 8092 Rating: (884)
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7/12/2013 11:17 AM	Rate (0)
AMAZINGAHMED Posts: 719 Rating: (88)	Thank you for your replies. I will check with my fellow engineer and keep you informed
AMAZINGAHMED Posts: 719 Rating: (88)
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