Re: 3 Pole & 4Pole MCCB which one is suitable Home › Electrical Engineering Forum › General Discussion › 3 Pole & 4Pole MCCB which one is suitable › Re: 3 Pole & 4Pole MCCB which one is suitable 2011/12/19 at 2:41 pm #12735 Chris2011Participant Dear sir, do you also need surge protection device? maybe you can find it in http://www.fatech-surge-protection.com.
