3RV Molded Case Motor Starter Protectors up to 800 A General data Design Installation guidelines for 3RV1 molded case motor starter protectors Installation clearances When mounting the molded case motor starter protectors, the following clearances must be maintained to grounded or live parts and to cable ducts made of molded plastic. Minimum distance between two molded case motor starter protectors installed alongside or on top of each other When molded case motor starter protectors are installed along- side or on top of each other it is important to make sure that neit- her the busbars nor connection cables reduce the clearance.
Minimum distance between two molded case motor starter protectors installed alongside each other Minimum distance between two molded case motor starter protectors installed on top of each other Note: The quoted voltages apply for operational voltages U b up to 690 V. The mandatory distances must be added to the maximum dimensions of the molded case motor starter protectors in their various versions, including terminals. 43 Siemens · 2009 Molded case motor starter protectors Mandatory distances Type Rated operational voltage Ue V A mm B mm C mm B A NSB0_01977 C 3RV13 53 Up to 690 25 20 20 3RV1. 6. Up to 400 440 ... 690 30 100 25 25 3RV1. 7. Up to 400 440 ... 690 30 100 25 25 3RV1.
83 Up to 690 100 25 20 Molded case motor starter protectors Mandatory distances Type Rated operational voltage Ue V Width mm Minimum distance between axes l mm Y Y NSB0_01978 Y Y l 3RV13 53 Up to 690 90 90 3RV1. 6. Up to 690 105 105 3RV1. 7. Up to 440 500 ... 690 140 140 180 3RV1. 83 Up to 690 210 210 Molded case motor starter protectors Mandatory distances Type Rated operational voltage Ue V Minimum distance between axes H mm 1 Non-insulated connection 2 Insulated cable 3 Cable lug 3 H 1 H H 2 NSB0_01979 3RV13 53 Up to 690 90 3RV1. 6. Up to 690 160 3RV1. 7. 3RV1. 83 Up to 690 Up to 690 160 180