SLow Voltage switchgear (Withdraw Type), Vacuum Circuit Breaker
Introduction - MNS Low Voltage switchgear
- MNS Low Voltage Withdraw-Type switchgear is the product of our company which had been introduced to foreign advanced manufacturing technology. It is the factory assemble type Low Voltage switchgear equipment and meets the fifth part of IEC439, VDE0660 technology standards, national standard GB7251"Low Voltage Series Switchgear " and the professional standard JB/T9661-1999 “Low Voltage Withdraw Type Series Switchgear ”. It also conforms to the L loyd`s Register marine standards. The Low Voltage switchgear of this system includes fixation and drawer technology. Selected materials are steel plate structure and plastic structure, the latter technology has reached contemporary international advanced level.
- It applies to various power supply or distribution for the power distribution system of land use, power plants, nuclear power stations, marine, oil platform, etc. various industrial and mining enterprises.
- MNS Low Voltage Withdraw-Type switchgear has passed national mandatory product certification.
Features - Low Voltage switchgear
- Compact Design: The smaller space can accommodate more functional unit
- High structure universality, flexible assembly: 25 mm module for the C-shaped profile to meet various structural forms, protective ranks and environmental conditions.
- Standard module design: separately forms such standard units as protection, operation, regulation, determination and instruction units. Users can select and assemble at will with more than 200 assembly components to construct different framework structure and drawer units for each programme.
- Security: massively uses high intensity flame retardant engineer plastic components to effectively enhance the protection and security performance.
- High technology performance: major parameters had reached contemporary international technology level.
- Compact venue: can greatly save storage and transportation space of prefabricated parts
- Convenient installation: needless of special sophisticated tools.
Electric appliance performance - Low Voltage switchgear
- Rated insulation voltage 660V rated working voltage 380V, 660V
- Maximum working current of the main busbar 5500A
- Short-term (IS) current tolerance of the main busbar (RMS) 100KA
- Short-term peak value current of the main busbar (maximum) 250KA
- Power distribution busbar (vertical busbar) maximum working current 100A
- Power distribution busbar (vertical busbar) short-term peak value current (maximum) 90KA
Protection Rank - Low Voltage switchgear
- Meet IEC529, DIN40050 standards
- IP30 protects against solid bigger than 2.5mm in diameter
- IP40 protects against solid bigger than 1.0mm in diameter
- IP54 protects against dust and arbitrary spray
- Please consult with the manufacturer when make IP54 order
Types of Low Voltage switchgear [Power Control System]
- Power centre cabinet (PC)
- Adopts 630-6300A cabinet circuit breaker
- Motor control center cabinet (MCC)
- Assembled by drawers of many sizes, each main switch of the circuit adopts high breaking circuit breaker or rotary load switch.
- Power factors automatic compensation box (MNS-J)
Power Control System: MNS Low Voltage switchgear (Withdraw Type)2 1 Back
High Voltage Electric Components[ Vacuum Circuit Breaker ]
