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MCCB

MCCB
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MCCB

Product catalog summary
Features
The VITZRO EM Molded Case Circuit Breaker (MCCB) is designed with a focus on user safety and convenience, offering high reliability, performance, and durability. It is standardized in size for compatibility and ease of installation or replacement, with enhanced breaking capacity compared to competitors.
Series & Ordering Information
MCCBs are available in Economic, Standard, High Interrupting Capacity, and Current Limiting types, with rated currents from 30AF to 1200AF. Ordering options include auxiliary switches, alarm switches, and shunt trips, with installation methods such as screw or DIN rail.
Economic Type MCCB
The VBE Series offers frame sizes from 30AF to 800AF with breaking currents from 2.5kA to 35kA, supporting 2, 3, and 4 poles for easy installation and maintenance.
Standard Type MCCB
The VBS Series covers frame sizes from 30AF to 1200AF with breaking currents from 10kA to 65kA, available in 2, 3, and 4 poles, balancing performance and cost.
High-Interrupting Capacity Type MCCB
The VBH Series is designed for high-interrupting capacity needs, with frame sizes from 30AF to 400AF and breaking currents from 14kA to 85kA, suitable for applications requiring higher safety margins.
Current Limiting Type MCCB
This type offers enhanced protection by limiting current during fault conditions, available in various frame sizes and breaking capacities.
UL Standard Molded Case Circuit Breakers
These breakers comply with UL standards, ensuring safety and reliability for North American applications, available in different frame sizes and breaking capacities.
Specifications
  • Frame Sizes: 30AF to 1200AF.
  • Rated Current (In): 6A to 1200A.
  • Rated Insulation Voltage (Ui): AC 690V.
  • Breaking Capacity: Up to 125kA AC and 60kA DC.
  • Endurance: Mechanical: 2500 to 8500 operations; Electrical: 1000 to 1500 operations.
Procedures and Installation
  • Installation Method: Standard screw installation.
  • Over Current Tripping Device: Thermal Magnetic (TM), Oil Dash Pot (ODP), or Hydraulic Magnetic (HM).
Standards and Certifications
  • Compliance: KS C 8321 and IEC 60947-2 standards.
  • Safety Certification: Required for models with rated currents of 300A and above.
Accessories and Options
  • Accessories include Auxiliary Switch (AX), Alarm Switch (AL), and Shunt Trip Device (SHT).
Key Models and Features
  • VBL Series: Current Limiting Type with breaking capacities up to 125kA.
  • VBS and VBE Series: Economic and Standard Types with varying breaking capacities and endurance.
  • VBH Series: High Interrupting Capacity Type for higher safety and performance.
Graphical Data
Includes operating characteristic curves and temperature compensation curves to illustrate performance under different conditions.
See more

Catalog excerpts

MCCB-1

A2 Molded Case Circuit Breakers CONTENTS Features······················································································ 2-02 A A Series & Ordering Information················································ 2-10 A Economic Type MCCB······························································· 2-12 A Standard Type MCCB································································ 2-14 A High-Interrupting Capacity Type MCCB································· 2-16 A Current Limiting Type MCCB··················································· 2-18 A Standard Type 30AF·Economic Type 50/60AF······················· 2-20 High Interrupting Capacity Type 30AF· A Standard Type 50/60AF·Economic Type 100AF···················· 2-22 High Interrupting Capacity Type 50/60/125AF· A Standard Type 125AF································································ 2-24 Economic Type/Standard Type/ A High Interrupting Capacity Type 250AF·································· 2-26 Economic Type/Standard Type/ High Interrupting Capacity Type/Current Limiting Type 400AF····· 2-28 A Economic Type/Standard Type/ High Interrupting Capacity Type/Current Limiting Type 600AF····· 2-30 A Economic Type/Standard Type/ High Interrupting Capacity Type/Current Limiting Type 800AF····· 2-32 A A Standard 1000/1200AF·················

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MCCB-2

Molded Case Circuit Breakers Molded Case Circuit Breakers 30AF~250AF Reliability It is compatible due to the same, standardized size. VITZRO EM Molded Case Circuit Breaker is designed considering Main size is standardized. the safety of users as the first priority. The sizes of economic type, standard type and high-interruption type 250AF are all same. and user-centered design and it is superior in terms of reliability on technology and performance and durability. Molded Case Circuit Breakers It is a premium product optimized for a user-convenience Easy It is easy and convenient to mount and...

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MCCB-3

Molded Case Circuit Breakers Molded Case Circuit Breakers 30AF~250AF VITZRO EM Molded Case Circuit Breaker adopted insulating materials to satisfy the various needs of customers and it is designed considering the safety of users as the first priority. It acquired an international standard ISO 9001 and a KS mark. It is a new concept circuit breaker that is designed to ensure the safety and protection of users as much as possible by diversifying the accessories and shortening the breaking time. Molded Case Circuit Breakers Internal Accessories External Accessories Terminal Cover (Short type) Terminal...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.