LS ELECTRIC ABS103B-100A-3P

This is a standard molded case circuit breaker (MCCB) from the Meta-MEC / ABS series, with a frame size of 100AF, rated current of 100A, 3 poles, and a breaking capacity of 25kA, used for power distribution and motor protection.

1. Model Explanation

ABS: LS standard MCCB series (economic version: ABE)

103: Frame size 100AF + 3P (3 poles)

B: Standard thermal-magnetic trip

100A: Rated current In = 100A

3P: 3 poles (three-phase)

2. Key Specifications (ABS103B-100A-3P)

Brand: LS ELECTRIC (formerly LG ELECTRIC)

Series: ABS (Meta-MEC)

Frame size: 100AF

Number of poles: 3P

Rated current: 100A

Rated operational voltage: AC 415V (compatible with 380V)

Rated insulation voltage: 690V

Breaking capacity:

Ultimate short-circuit breaking capacity Icu = 25kA @ 415V

Service short-circuit breaking capacity Ics = 12.5kA

Trip type: Thermal-magnetic (non-adjustable)

Overload protection: Bimetallic strip

Short-circuit protection: Magnetic instantaneous trip (approx. 10–12×In)

Protection functions: Overload, short-circuit; optional undervoltage / shunt / earth-leakage protection

Mounting: Fixed type (front wiring)

Dimensions: Approx. 155 × 90 × 60 mm

Certifications: CCC, CE

Mechanical endurance: 8,500 operations; Electrical endurance: 150,000 operations

3. Common Specifications in the Same Series (100AF)

4. Main Features

Compact structure, high flame-retardant housing, silver alloy contacts

Thermal-magnetic trip, economical and reliable, suitable for general power distribution and motor protection

Can be equipped with auxiliary contacts, alarm contacts, shunt / undervoltage releases

Applications: Industrial power distribution, motor control, building power distribution, marine use, etc.

5. Equivalent / Reference Models

Schneider: NSX100N 100A 3P

Siemens: 3VL1710-1DA33-0AA0

ABB: T1N100 TMD100/1000 3P

LS ELECTRIC molded case circuit breakers (MCCB) are mainly divided into three major series: Meta-MEC (ABS / ABE / ABN / ABL), Metasol (TS / TSG / TSD), and Susol (TSE), covering frame sizes from 30AF to 1600AF, suitable for power distribution and motor protection.

1. Meta-MEC Series (Economic / Standard Type)

1.1 Model Naming Rules

ABE: Economic type (thermal-magnetic, 18–25kA)

ABS: Standard type (thermal-magnetic, 25–36kA)

ABN: High breaking capacity type (thermal-magnetic, 36–50kA)

ABL: Extra-high breaking capacity type (thermal-magnetic, 50–65kA)

Frame sizes: 30 / 60 / 100 / 125 / 200 / 250 / 400 / 630 / 800AF

Poles: 2P / 3P / 4P (3rd digit: 2=2P, 3=3P, 4=4P)

Trip: B = thermal-magnetic, C = electronic

1.2 Common Model List (3P)

2. Metasol Series (High-End / Electronic Type)

2.1 Model Naming Rules

TS: Standard type (electronic trip, E/N/H/L)

TSG: Generator protection type

TSD: DC dedicated type

Frame sizes: 100 / 160 / 250 / 400 / 630 / 800 / 1000 / 1250AF

Breaking capacity: E=25kA, N=36kA, H=50kA, L=65kA

2.2 Common Models (3P)

TS100E/N/H/L, TSG100N/H/L

TS160E/N/H/L, TSG160N/H/L

TS250E/N/H/L, TSG250N/H/L

TS400E/N/H/L, TSG400N/H/L, TSD400N

TS630E/N/H/L, TSG630N/H/L

TS800N/H/L, TS1000N/H/L, TS1250N/H/L

3. Susol TSE Series (Modular / Compact Type)

3.1 Model Naming Rules

TSE: Modular, double-break, Ics = 100% Icu

Frame sizes: 100 / 160 / 250 / 400 / 630AF

Breaking capacity: N=36kA, H=50kA, L=65kA

3.2 Common Models (3P)

TSE100N/H/L, TSE160N/H/L

TSE250N/H/L, TSE400N/H/L

TSE630N/H/L

4. DC Dedicated Series (PV / Energy Storage)

TS250V, TS400V, TS600V (DC 1500V, 20kA)

5. Selection Guide

Economic power distribution: ABE

Standard power distribution / motor protection: ABS

High short-circuit locations: ABN / ABL

High-end intelligent / electronic trip: TS / TSG

Compact / automation applications: TSE

DC PV / energy storage: TSV