Secondary switchgear MNS


Electrical characteristics
arc protection, low-voltage
for motors, power distribution
Other characteristics
Primary current

Min.: 0 A

Max.: 6,300 A


Min.: 0 V

Max.: 690 V


MNS is ABB’s low-voltage switchgear and controlgear assembly for power distribution and motor control. The MNS design is verified in accordance with the latest IEC standards, IEC 61439 -1/-2 and IEC TR 61641.  MNS switchgear assembly is of scalable design, enabling ABB to supply integrated solutions for today’s challenging business environment. It is the leading technology combining maintenance-free frame structures and busbars, a fully modular construction and the capability to integrate feeder, motor starter, variable speed drives, power factor compensation etc. and even UPS technologies in safety focused, space saving and project-optimized manner.

Main benefits

• Unmatched safety for protection of personnel and plant exceeding standard requirements
• Reduced operational expenditure through maintenance free bus bar design
• Increased availability through modular design using withdrawable, plug-in, compact or fixed functional units
• Reliable, flexible and scalable fully accessible from the front
• Space saving design with compact, back-to-back or duplex arrangement
• Main features 

• Fully certified to IEC 61439-1/-2 low-voltage switchgear assembly up to 690V, up to 6300A, up to 100kA
• Passive arc protection criteria 1 to 7, tested acc. IEC TR 61641 Ed.3 criteria 1 to 7, arc proof certified up to 690V, 100kA
• Modular construction, extendable at both ends and reconfiguration capabilities
• Ease of operation with closed doors and single handle operation
• Segregation up to form 4b 

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