lugs
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) ...
What is the difference between ETS23 and ETS33 electronic trips?
The ETS23 trip unit is for the UTS150 and UTS250 frame MCCBs. Alternatively, the ETS33 trip unit is for the UTS400 and UTS600 frames. Functionality and adjustments will be the same, as seen below.
MCCB Factory Lugs
The UTE100 through UTS1200 frame circuit breakers can be ordered with mechanical line and load side lugs. The standard lugs can be removed for the installation of bus bar or "flexi-bar" connections. All lugs are UL/cUL Listed Certified for their ...
Converting lug-type MCCBs to bolt-on type
Lug type MCCBs can be converted to Bolt on type. This consists of removing the existing lugs and installing a terminal plate kit. The part numbers are below for the kits. Attached is a diagram showing how the conversion is done. Note that each kit is ...
Are compact type and regular rotary handle shafts the same?
No. There are two types of rotary handles for MCCBs offered by LS. They are EHU and REH type. The EHU and REH shafts are different and NOT interchangeable. EHU (Pistol Grip) REH Type (Compact) For ordering purposes, simply confirm the shaft you order ...
What does "LWT" mean for auxiliary contacts?
There are two types of wire/terminal types for the MCCB auxiliary contacts. See below pictures and description. LWT : lead wire type TBT : Terminal block type
Can I reverse feed an LS circuit breaker?
LS Molded case circuit breakers (MCCBs) are not labeled with "line" and "load". Therefore, the circuit breakers can be wired up in a reverse feed manner based on UL489. Please note that local codes should be always be checked to ensure reverse feed ...
What is the allowable operating temperature range and Derate Table for LS MCCB's?
Environment Ratings for the Susol MCCB is below. Operating Temperature Range -5 to +70℃* *derate when temperature is not 40℃ There must be no dew/moisture freezing caused by an abrupt temperature change. Relative humidity 45 to 85%RH Altitude Below ...