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NDM5Z Series DC Molded Case Circuit Breaker
Updated:August 12,2022 15:58PM

Nader NDM5Z series MCCB is applicable to DC circuit system with rated DC working voltage of 500V to 1500V and rated working current of 16A to 1500A. The product has the functions of distributing power, overload, short circuit and undervoltage protection, and can protect the line and power supply equipment from damage This product has the characteristics of small volume, high breaking capacity, short arcing and anti - vibration
2021 Quick Selection Guide »

NDM5Z-160L
NDM5Z-250H-3P
NDM5Z-400H
NDM5Z-630H-3P
NDM5Z-1600-2P

Features

Features of NDM5Z Series

  • The circuit breaker features small size, high breaking capacity, short flashover, vibration resistance and etc.
  • The circuit breaker can adopt packaged accessories for quick installation, thus responding to the user's requirements, without adjustment.
  • The circuit breaker is thermal magnet-adjustable to meet the special requirements of customers.

 

Downloads and support

Find out more about NDM5Z Series

NDM5-Series-MCCB-Datasheet.pdf

 

FAQs

Questions & Answers for NDM5Z Series

  • What is a molded case circuit breaker?
    Moulded Case Circuit Breakers Explained. ... A moulded case circuit breaker (MCCB) is a type of electrical protection device that is used to protect the electrical circuit from excessive current, which can cause overload or short circuit.
  • What is the difference between MCCB and MCB?
    MCB is miniature circuit breaker which is used to break small currents. Like in domestic LT circuits. The ratings usually end up to 100 A. MCCB is a Module case circuit breaker which has a rugged construction as it can break larger currents usually from (100-1000A).
  • What is MCCB and its working?
    Molded Case Circuit Breaker (MCCB) is a circuit breaker and trip device assembled in a mould case. Also it can automatically cut off electric power in case of overload and short circuit. It is meant for higher rated current and is commonly used in Industrial applications.
  • What causes MCCB to trip?
    Circuit overloading is known to be the most common reason for circuit breaker tripping. It simply means that we're running too many heavy power-consuming devices at the same time on the same circuit. The next most dangerous cause is a short circuit.
  • How do molded case circuit breakers work?
    The traditional molded-case circuit breaker uses electromechanical (thermal magnetic) trip units that may be fixed or interchangeable. An MCCB provides protection by combining a temperature sensitive device with a current sensitive electromagnetic device. Both these devices act mechanically on the trip mechanism.
  • Why we use Mccb instead of MCB?
    If evaluated from their power capacities, the MCB is essentially used for low-current requirements, such as, home wiring or small electronic circuits; while the MCCB is better used for high-power requirements. Type of electrical switch which protects the circuit from overload or short circuit.

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