MCCB
Installation of Bolts for UTS800 and UTS1200 MCCBs
Introduction This article provides instructions for the procurement and installation of bolts for UTS800 and UTS1200 Molded Case Circuit Breakers (MCCBs), including the additional step of installing interphase barriers during the process. Problem ...
Side by Side MCCB mounting
MCCBs may be installed in a side by side arrangement as long as the below phase barrier requirements are followed.
Does polarity matter when running DC on Susol MCCBs?
No, the circuit breaker is not polarity sensitive. Referring to the below diagrams from the MCCB catalog; it may be assumed that the positive (+) line always goes into the top left of the MCCB while the negative (-) is landed on the top right for a ...
Mounting Holes and Hardware for Susol MCCBS
Refer to the below drawings for assistance tapping the mounting holes for the UTE100, UTS150, UTS250, UTS400, UTS600, UTS800, and UTS1200 MCCBs. Screw thread size and length are underlined. UTE100 2 QTY - SCREW,(+)PH,No.6-32UNC,L70,SWCH,Ep-Fe/Zn ...
MCCB mounting torque specifications
Refer to the below specifications for tightening torque for the mounting screws on the LS Susol MCCBs. Frame Mounting Screw Metric Equivalence Tightening Torque[N·m] UTE100 #6-32UNC(Inch) M3.5 1.13 UTS150 #8-32UNC(Inch) M4 1.72 UTS250 #8-32UNC(Inch) ...
You may install UL Susol MCCB in upside down configuration as below
You may install UL Susol MCCB in upside down configuration as below. When the trip type is ODP structure, it may affect the overcurrent trip time. But Susol UL MCCB is not an ODP structure, so it is not applicable. ODP(Oil Dash Pot) Type · ...
Rotary Handle Installation
LS offers rotary handle kits for all low voltage MCCBs. See attached instructions for installation manuals for reference. Application EH0/REH0 applies to the UTE100 Frame EH2/REH2 applies to the UTS150 and UTS250 Frames EH3/REH3 applies to the ...
Flange Handle Installation
LS offers flange handle kits for all low voltage MCCBs. See attached instructions for installation manuals for the flange handles and operators. Application COM0 applies to the UTE100 Frame COM2 applies to the UTS150 and UTS250 Frames COM3 applies ...