Smart MCCB
Engineering Change to UTS800 and UTS1200 Series MCCB: How to install the alarm relays?
All the UTS800 and UTS1200 series MCCB manufactured after June 2023, will allow customers to install two separate alarm relays. In the previous generations, the 800AF and 1200AF breakers would only allow customers to add (1) alarm relay option. See ...
Smart MCCB Trip Units: MODBUS Mapping
Instructions and examples for setting up the smart MCCB electronic trip unit (ETU) address via MODBUS protocol.
MCCB Bus Bar
We have MCCB Bus Bar for the following breakers: UTE100, UTS150, UTS250, UTS400, UTS600 frame size. Can refer to the attached, below; Instruction Manual showing installation and part number.
UL Certification: Ensuring Safety in MCCBs – A Look at the UTS Series
Introduction: Underwriters Laboratories (UL) certification represents a critical seal of approval for electrical safety and reliability in devices like Molded Case Circuit Breakers (MCCBs). The UTS series MCCBs come with this prestigious ...
MCCB Cover Fitment Issue
## Problem A concern was raised regarding the fitment of Molded Case Circuit Breaker (MCCB) covers provided with bus straps (part number 72311176185). The covers were reported as not fitting over the MCCBs, potentially impeding project completion. ## ...
Residual Current Circuit Breaker (RCCB) Specifications - Frequency
What frequency is LS RCCB rated for? Answer: The B Type RCCB can be used up to 1000Hz. Our B type RCCB model is RKJ63Hd. Overview of RCCB Types and Ratings RCCBs are safety devices that trip a circuit if they detect a problem with the electric ...
Trip Unit Tester for MCCBs and ACBs
MCCB/ACB – OCR Tester Part # 72313460410 (TOTAL ASS'Y,IPOT,OCR TESTER) The i-Tester (Intelligent Tester) or OCR Tester is an accessory for testing the trip units on Smart MCCBs, UTS800/UTS1200 MCCBs, and ACBs* without main power. This performs relay ...
What MCCBs and ACBs have the ERMS function?
ERMS( Energy Reduction Maintenance Setting) is a function to reduce the ARC energy to ensure workers' safety. LS Electric MCCBs and ACBs with A Type, P Type, or S Type OCR trip units have ERMS.
MCCB Handle Selection Guide (Updated)
The attached spreadsheet provides information concerning which Disconnect Handles fit which breakers from the UTE100 to the UTS1200. It also includes links to installation manuals, 2D Drawings, and 3D Drawings.
What handles work on 2 pole MCCBs?
The UTE100 2P frame is physically different than the 3P frame. Therefore, you must use a 2P compatible handle set. As far as rotary types, the REH-0C and EHU-0C will work. Additionally, for flange type, either the COM-0 or VDM-0 is compatible. See ...
How many lugs come in an MCCB lug kit?
This varies by frame size. See below table. Item Code Description QTY in kit MCCB Frame 70821175005 LUG ASS'Y,AL100TE 3P,UTE100,SET Mechanical Lug kit (30 PCS) UTE100 70821172021 LUG ASS'Y,AL150TS 3P,UTS150,SET Mechanical Lug kit (30 PCS) UTS150 ...
MCCB AX Specifications
The Susol MCCBs have the option of an "AX" auxiliary contact. This indicates the position of the circuit breaker contacts(Open/Closed). The auxiliary switch is used for applications requiring a remote “ON” and “OFF” indication. Each switch contains ...
How do I order the "AUX" handle for an MCCB?
The Susol MCCB line has a variety of handle types available. Larger frame circuit breakers include the below circled "AUX" handle in the packaging. This assists in turning larger breakers OFF and ON without installing a flange or rotary handle kit.
Difference between PHL0 (56771175303) and PHL0 Off (56771175305)
If pad lock is installed on UTE100, it is as the picture above. The picture shown is in the locked state when off. If you put it in the hole and lock it, it will be locked in the On position. That is, if there is a hole, it can be locked on and off. ...
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.
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 ...
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 ...
Can I use a 3 pole MCCB on a single phase system?
Yes. LS UL489 Molded Case Circuit Breakers (MCCB’s) are suitable for use in single phase systems. LS Susol UTE/UTS 3 pole MCCBs may be applied to single phase systems provided that the MCCB is sized appropriately per the given load. Furthermore, ...
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 ...