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Diff between MPCB 3RV10 and 3VU13

1/3/2013 12:44 PM	Rate (0)
Manasb Posts: 5 Rating: (0)	Dear All, Please give me details difference between MPCB 3RV10 and Motor circuit breaker 3VU1series. and can we call 3VU1 series as MPCB? Regards, Manas BOSE Ranhill Water Technologies, Malaysia.
Manasb Posts: 5 Rating: (0)
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1/7/2013 11:26 AM	Rate (1)
PISCEAN 2010 Posts: 8092 Rating: (884)	Yes both are MPCB. 3RV1 is SIRIUS product family & 3VU is LV power distribution & protection of electrical installation family.
PISCEAN 2010 Posts: 8092 Rating: (884)
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1/7/2013 2:07 PM	Rate (0)
LesPaul Posts: 467 Rating: (59)	hello, 3RV1 is the substitude for 3VU1, and the substitude for 3RV1 is 3RV2. Attached you will find the Distinction/Difference between MPCB, MCCB, MCB... kind regards LesPaul Attachment D:\3VU_3RV.pdf (1015 Downloads)
LesPaul Posts: 467 Rating: (59)
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1/20/2013 8:05 AM	Rate (0)
Manasb Posts: 5 Rating: (0)	Dear Sir, we have motor of 1.7kw ,which is havig rated current 4 amp full load current, DOL circuit, kindly let me knowrr which mpcb is suitable for the above motor. mpcb 4-6 amp or mpcb 3.2 to 5 amp. Regards, Manas Bose, Ranhill Water Technologies, Malasia.
Manasb Posts: 5 Rating: (0)	Last edited by: O_Moderator at: 1/20/2013 2:51 PM contact data deleted
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1/20/2013 11:13 AM	Rate (0)
PISCEAN 2010 Posts: 8092 Rating: (884)	Hello, 3.2 to 5A scalementioned MPCBto be connected. Measuer actual current drawn by motor on load, set MPCB scale more by 10% value of actual current drawn by motor. But this value should not be more than the rated full load current of motor. Hope this helps.
PISCEAN 2010 Posts: 8092 Rating: (884)	Last edited by: PISCEAN 2010 at: 1/20/2013 11:14 AM
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1/23/2013 12:55 PM	Rate (0)
Import-User-1 Posts: 3609 Rating: (29)	Manasb Dear Sir, Thank you for giving reply. Kindly let me know what is the size (KW) of Soft Starter is required for the motor rated current 2.6 KW & 4 KW including the size of the MPCB . The full load current of 2.6 KW motor --5.6 amp & the full load current of 4 KW motor -- 9 amp. Regards, Manas Bose, Ranhill Water Technologies, Malasia.
Import-User-1 Posts: 3609 Rating: (29)
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1/24/2013 5:55 AM	Rate (0)
PISCEAN 2010 Posts: 8092 Rating: (884)	Hello Manas, To select soft starter, following basic information is needed. 1. Application., natuer of load, duty cycle, ambient temp etc. 2. Supply voltage specifications. 3. Output motor supply specifications, max loading Siemens has 3 types of soft starter range. 3RW30, standard application, compact designe, in built bypass contact system, 3RW40 standard application, soft start, soft stop & adjustable current limit, integrated micro processor based over load rely with adjustable trip class, third one 3RW44 for heavy duty application. Hope this helps you.
PISCEAN 2010 Posts: 8092 Rating: (884)
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1/24/2013 1:55 PM	Rate (0)
LesPaul Posts: 467 Rating: (59)	PISCEAN 2010 is totally right.You will find our actual 3RW catalog at the following LINK:http://www.automation.siemens.com/ce-static/ftp/SIRIUS_IC10_chap06_English_2012.pdfThere you will find some examples for CLASS10 / CLASS20 / CLASS30 applications on page 18 & 35 & 66 and the sizing of the softstarters. best regards LesPaul
LesPaul Posts: 467 Rating: (59)
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