MCB & MCCB

Steema Circuit Breakers:
Mcbs & Mccbs

At Steema Transformers & Electricals (U) Ltd, we are a leading provider of high-quality Miniature Circuit Breakers (MCBs) and Moulded Case Circuit Breakers (MCCBs). Our comprehensive range of circuit breakers is engineered to provide essential protection for electrical installations in homes, offices, commercial spaces, and industrial facilities across Uganda, ensuring safe and highly protective power distribution.

Key Features

Full Range ISI Marked

Ensures compliance with top quality and safety standards.

High Breaking Capacity

Capable of interrupting significant fault currents to protect your system.

Big Terminal Design

Optimally designed terminals suitable for secure connection of both copper and aluminum cables.

Shock-Proof Protection (IP-20)

Provides a high level of protection against solid objects and accidental contact

Incoming Terminals for Dual Termination

Ingenious design allows for simultaneous termination of both comb busbars and cables, simplifying wiring and enhancing flexibility.

Trip-Free Mechanism

Guarantees that the breaker will trip even if the handle is held in the ON position, ensuring reliable protection.

Robust Housing

Made from fire-retardant, high dielectric strength plastic, enhancing safety and durability.

Longer Life & Energy Saver:

Engineered for extended operational life and efficient performance, contributing to energy savings.

Steema Miniature Circuit Breakers (Mcbs)

Our STEEMA MCBs represent the frontline in circuit protection, designed to safeguard electrical circuits from overcurrents and short circuits.

Technical Specifications:

  • Rated Voltage: 240/415 V AC, up to 110V DC
  • Range: Available in SP (Single Pole), SPN (Single Pole + Neutral), DP (Double Pole), TP (Triple Pole), TPN (Triple Pole + Neutral), & FP (Four Pole) configurations.
  • Current Rating:
    • B Type: 6 – 63 Amps (typically for resistive loads)
    • C Type: 0.5 – 63 Amps (typically for inductive loads)
  • Conforms to Standards: IEC 60898-1, IS / IEC 60898-1
  • Breaking Capacity: 10kA

Steema Moulded Case Circuit Breakers (Mccbs)

Steema Transformers & Electricals (U) Ltd is a leading provider of robust MCCBs, offering a wide range to meet the diverse needs of larger electrical circuits. These are ideal for higher current applications where more substantial protection and control are required.

Key Features:

  • Quick Make and Break Operation: Ensures rapid interruption of fault currents, minimizing damage to the electrical system.
  • Silver-Plated Contacts: Provides high conductivity and extended service life for reliable performance.
  • Durable Enclosure: Manufactured from CRCA Sheet Steel, duly pretreated and powder coated, offering excellent corrosion resistance and mechanical strength.
  • Versatile Terminals: Designed to be suitable for both Aluminum (Al.) and Copper (Cu.) conductors, accommodating various installation requirements.
  • Door Interlocking Facility: Enhances safety by preventing the panel door from being opened when the breaker is in the ON position.
  • HRC Fuse Compatibility: Contacts are suitable for bolted-type HRC (High Rupturing Capacity) fuses, offering additional protection coordination.
  • Fire Retardant Shrouds: Available with phenolic moulded bases, providing enhanced fire safety.
  • Long Service Life: Engineered for exceptional durability and reliable long-term operation

Technical Specifications:

  • Rated Voltage: 415 V AC
  • Execution: Available in Triple Pole & Neutral, and Four Pole configurations.
  • Current Rating: 63 Amps to 630 Amps (Wide range to cover various load requirements).
  • Application: Our MCCBs are widely used in the electrical fittings of industries, large homes, offices, and other commercial places to ensure highly protective and efficient distribution of power.

Steema Transformers & Electricals (U) Ltd is committed to providing top-tier circuit protection solutions that meet the highest standards of safety, reliability, and performance. Choose STEEMA MCBs and MCCBs for robust and efficient power distribution in your installations. Contact us today to learn more about our comprehensive range.

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