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ELB6K Miniature Circuit Breaker(MCB)
MCB

ELB6K Miniature Circuit Breaker(MCB)

Built for space-constrained electrical systems, the ELB6K series MCB is designed to deliver reliable circuit protection in compact footprints — ideal for B2B buyers working on high-density panels, retrofits, and space-critical projects. Certified to EN/IEC 60898 standards, it offers a 6kA breaking capacity, 0.5–63A rated currents, and B/C/D tripping curves, all within a slim 17.5mm pole width. We support flexible order volumes, from large project runs to small trial orders, to fit your workflow.

    Product Details

    Product Descriprion

    ELB6K-2

    The ELB6K series is engineered with a focus on compact performance, making it a go-to choice for panel builders, system integrators, and OEM partners who need to maximize space in their designs. Its thermal-magnetic tripping mechanism provides tailored protection for lighting, general, and motor loads, with temperature compensation ensuring stable operation across typical environmental conditions.

    Key to its design is the slim profile, which allows for high-density installation on standard 35mm DIN rails without sacrificing performance. Lug/pin terminals accommodate a wide range of conductor sizes (up to 35mm² rigid), simplifying wiring in both new and retrofit applications. The visible contact position indicator and color-coded handles enhance safety and quick identification, critical for maintenance in dense panels.

    With a 4,000-cycle electrical lifespan and durable construction, the ELB6K is built for long-term use in continuous applications. We offer B2B-friendly terms, including custom packaging, neutral labeling, and full certification documentation, to support your brand and project requirements.

    Application

    Standard

    Confirming to EN/IEC60898

    Breaking capacity

    6kA

    Protection

    Against overload and short circuit

    Rated current In

    0.5,1,2,3,4,6,10,13,16,20,25,32,40,50,63A

    Rated voltage

    1pole 250/400V AC 50/60Hz

    2,3,4pole 400V AC 50/60Hz

    Rated insulation voltage Ui:500V

    Rated impulse withstand voltage Uimp:6000V Energy limiting class:3

    Ambient temperature

    -5C to+40℃ pursuant to EN/IEC60898

    Characteristic

    Thermal operating limit:(1.13-1.45)×In

    Magnetic operating:B:(3-5)x In

    C:(5-10)×In

    D:(10-20)×In

    Number of poles

    1P,1P+N,2P,3P,3P+N and 4P

    Type of trip

    Thermal /magnetic release

    Type of terminal

    Lug type and Pin type

    Terminal capacity

    16mm² flexible or 25mm² rigid up to 25A ratings

    25mm² flexible or 35mm²rigid for 32A to 63A ratings

    Protection degree

    IP20

    Installation

    Mounting on 35mm DIN rail

    Width

    17.5mm per pole

    Curves

    curves-2

    Endurance(operations)

    Category

    Operations

    Operation frequency

    Rated current

    Electrical endurance

    4000

    240/h

    0.5~32

    120/h

    40~63

    Mechanical endurance

    10000

    240/h

    0.5~63

    Please refer to table below for temperature compensation correction

    In(A)

    Temperature compensation coefficient under various operational temperature

     

    -10℃

     

    0℃

    10℃

    20℃

    30℃

    40℃

    50℃

    55℃

    60℃

    1~6

    1.20

    1.14

    1.09

    1.05

    1.00

    0.96

    0.80

    0.75

    0.70

    10~32

    1.18

    1.12

    1.08

    1.04

    1.00

    0.96

    0.92

    0.88

    0.84

    40~63

    1.16

    1.12

    1.08

    1.03

    1.00

    0.9

    0.87

    0.83

    0.80

    Wiring

    The suitable conductors should be used for connection,see table for relative parameters.

    Rated current In(A)

    Nominal cross section area(mm²)

    Tightening torque (N.m)

    1~6

    1

    2

    10

    1.5

    2

    13,16,20

    2.5

    2

    25

    4

    2

    32

    6

    2

    40,50

    10

    2

    63

    16

    2

    Product display

    ELB6K-1P3
    ELB6K-2P2
    ELB6K-3P2
    ELB6K-4P2

    Features

    ✅Ultra-compact design: 17.5mm pole width for high-density panel installations

    ✅Versatile performance with 6kA breaking capacity and B/C/D tripping curves

    ✅Wide rated current range (0.5–63A) to suit diverse circuit protection needs

    ✅User-centric features: visible contact indicators and color-coded handles for quick identification

    ✅Flexible conductor compatibility (up to 35mm² rigid) for easy installation in new or retrofit systems

    ✅Flexible order quantities: bulk, project, and trial orders all supported

    ✅OEM-ready with custom branding, packaging, and export documentation

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