ELCB MCCB Circuit Breakers

Factory-Built ELCB & MCCB Solutions for Professional Protection

KRIPAL manufactures ELCB and MCCB solutions engineered for modern low-voltage power systems. Our Earth Leakage MCCBs—such as the UKM30L and EBS250 series—operate on AC 50Hz networks up to 415V and 400A.

All breakers are produced inside our factory, allowing strict control of conductor materials, arc-quenching structures, thermal-magnetic elements and calibration accuracy. This ensures stable trip characteristics under fluctuating loads, ambient temperature variations and high switching cycles.

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UKM30L-125 Earth Leakage Protection Circuit Breaker 125A 3 Poles ELCB MCCB

Electronic MCCB with earth‑leakage protection, 125A current rating, 3‑pole design.

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UKM30L-125 Earth Leakage Protection Circuit Breaker 125A 4 Poles ELCB MCCB

4 pole MCCB circuit breaker  UKM30L‑125 125A with earth‑leakage protection.

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UKM30L-250 Earth Leakage Protection Circuit Breaker 250A 4 Poles ELCB MCCB

High‑performance ELCB circuit breaker, 250A rated current, 4‑pole design with advanced earth‑leakage protection.

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UKM30L-250 Earth Leakage Protection Circuit Breaker 250A 3 Poles ELCB MCCB

High-performance MCCB 250a residual current circuit breaker UKM30L-250 suitable for low-voltage systems.

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UKM30L-400 Earth Leakage Protection Circuit Breaker 400A 3 Poles ELCB MCCB

The 400-amp adjustable MCCB UKM30L-400 with leakage protection sets a new standard.

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UKM30L-400 Earth Leakage Protection Circuit Breaker 400A 4 Poles ELCB MCCB

The 400A residual current circuit breaker UKM30L-400 for MCCB Busbar capacitors is designed for fault protection.

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EBS204 Earth Leakage Protection Circuit Breaker 250A 4 Poles ELCB MCCB

Explore our Earth Leakage Circuit Breaker (250A, 4‑pole) ELCB/MCCB – reliable residual current protection.

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EBS203 Earth Leakage Protection Circuit Breaker 250A 3 Poles ELCB MCCB

The EBS250 Series Residual Current Circuit Breaker is a high-tech product designed for the 21st century.

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Technology That Enhances System Stability and Energy Efficiency

KRIPAL ELCBs and MCCBs do more than disconnect faults. They are designed to improve overall system stability and energy performance. Their internal conductive paths, arc-quenching chambers and heat management structures are optimized to reduce temperature rise, thereby minimizing energy losses during continuous operation. Enhanced contact materials, reinforced terminals and precision thermal-magnetic mechanisms allow these breakers to maintain accurate trip characteristics even under long-term electrical stress.

MCCBs with adjustable protection curves allow installers to fine-tune coordination between upstream and downstream circuits, improving selectivity and reducing the impact of faults. ELCBs provide sensitive leakage detection that supports system integrity in environments where insulation quality, humidity levels or variable loads require rapid response.

Manufacturing Accuracy Supported

One of KRIPAL’s core strengths as a factory is our focus on material selection and long-term performance testing. Every MCCB and ELCB incorporates components chosen for durability, conductivity and resistance to mechanical wear. Copper alloys used for contacts, flame-retardant materials for molded cases and thermally stable bimetals all undergo rigorous evaluation before being approved for production. This ensures that our breakers can withstand high mechanical operations, short-circuit stresses and long-term heat exposure without performance degradation.

Inside our factory, we employ test systems that simulate years of real-world operation. By validating performance across these conditions, we guarantee that each breaker is truly engineered for industrial reliability—not just basic compliance.

Applications of Kripal DC MCBs

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Electric Vehicle (EV) Charging Infrastructure

Electronic MCCB with earth‑leakage protection, 125A current rating, 3‑pole design.

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Healthcare & Medical Facilities

Electronic MCCB with earth‑leakage protection, 125A current rating, 3‑pole design.

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Microgrid & Distributed Energy Systems

Electronic MCCB with earth‑leakage protection, 125A current rating, 3‑pole design.

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Custom Configuration Capability

KRIPAL ELCBs and MCCBs are deployed in industrial power systems where reliability and tailored protection are critical. Our breakers operate in infrastructure networks, transport equipment, energy facilities, automated production lines and intelligent building systems. As a dedicated manufacturer, we customize our production processes to meet the specific electrical and mechanical requirements of these diverse application environments.

For engineering projects, we provide coordinated breaker sets, private labeling, special mounting options and application-specific accessories. OEM partners also benefit from adjustable trip curves, custom terminals, modular add-ons and branding options.

Frequently Asked Questions

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What is a KRIPAL Earth Leakage Molded Case Circuit Breaker (ELCB MCCB)?

A KRIPAL ELCB MCCB, such as our UKM30L and EBS250 series, is an all-in-one protective device. It integrates the functions of a standard MCCB with advanced earth leakage protection. It is designed for AC 50Hz systems with voltages up to 415V and currents up to 400A, providing reliable energy distribution and protection against overload, short-circuit, and earth leakage faults.

Why is this breaker effective for preventing electric shock?

It provides reliable indirect contact protection. If a fault causes a metal appliance casing to become live, the ELCB detects the leakage current flowing to earth through a person touching it and cuts off the power within a fraction of a second, significantly reducing the risk of a lethal electric shock.

Can this device help prevent electrical fires?

Yes, absolutely. Standard overcurrent devices may not detect low-level but persistent ground fault currents, which can generate heat and lead to fires. KRIPAL ELCB MCCBs are specifically designed to identify and interrupt these persistent ground fault currents, effectively helping to prevent electrical fires at their source.

How do I select the right KRIPAL ELCB MCCB for my project?

Choosing the correct KRIPAL breaker requires careful consideration of several technical factors. The rated current must align with the expected load, with available capacities up to 400A. System voltage compatibility is equally important, ensuring the device matches the AC 50Hz network up to 415V. Earth-leakage parameters such as sensitivity (IΔn) and time-delay settings (Δt) should be selected according to the installation’s safety requirements and protection coordination. For complex systems or multi-level distribution networks, consulting with an electrical engineer is highly recommended to ensure correct coordination and achieve the intended level of protection.

In which applications are KRIPAL ELCB MCCBs most commonly used?

KRIPAL ELCB and MCCB devices are widely applied in electrical systems that demand strong fault protection and stable operation. Their robust performance makes them suitable for main incoming feeders in both commercial and industrial distribution boards, where reliable circuit isolation is essential. They are also frequently installed in industrial machinery and automated production lines, providing dependable overload, short-circuit and leakage protection. In environments such as water treatment facilities and other damp locations, the breakers maintain secure operation even under challenging conditions. Additionally, they are commonly used in infrastructure projects, including rail transit auxiliary power systems and public-utility networks, where high safety standards and uninterrupted service are critical.

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