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August 6, 2025 BY
IN ABB

ABB MNS iS design aspects Module connection to distribution bars

A condaptor unit facilitates the horizontal

distribution of power from the vertical

distribution bars for 6E/4 and 6E/2 modules, see

illustration on page 35. The condaptor enables

the modules to be located adjacently within the

same horizontal position of the cubicle.

Modules of size 6E and above are connected

directly to the vertical distribution bars.

System highlights

• Although IEC 61439 series requires 200

connection cycles only, the MNS contact system

is tested, certified and proven for contact cycles

(plug in/unplug) up to 1,000

• The contacts are silver coated as standard

• Full individual phase segregation assured prior

to the connection of the power contact.
August 6, 2025 BY
IN ABB

ABB MNS iS design aspects Module connection to distribution bars Power contact

Power contact

Connection to the distribution bars is realized

using the precision-engineered MNS power

contacts. The power contact is characterized by a

turn-able bearing, thus decoupling cable stress

and electrical contact. Consequently any cable

bending forces cannot affect the stability of the

power contact.

The mechanical stabilisation is taken over by

the supporting plate and the contact spring

where the contact fingers ensure positive

electrical contact. Contact fingers are silver

plated as standard.

The contact has been subjected to several tests in

order to prove the sophisticated design and the

high quality:

• Verification by testing acc. IEC 61439 series

• Corrosion test acc. DIN 50017 and

IEC 60068-2-60

• Crimping quality check acc. IEC 61238-1

• Vibration and shock test acc. IEC 60068-2-6

and IEC 60068-2-27
August 6, 2025 BY
IN ABB

ABB MNS iS design aspects Switchboard construction System highlights

System highlights

• Functional areas are separated from each other

in accordance with IEC 61439 series.

• Power cables are fully separated from the control

and communication cables, thus avoiding

electromagnetic interferences.

• Different access rights to cable compartments

can be granted using different key locks.

The basic elements of the MNS iS frame

construction are “C” shaped steel profiles with

a 25 mm hole pitch according to DIN 43660.

This 25 mm equals the dimension of 1E used

in MNS to define the area usage within

the switchgear.

Each cubicle is precision constructed by bolting

horizontal and vertical profiles together, to form

a rigid modular structure. The assembly is

maintenance free as a result of the construction

method utilizing a combination of thread locking

ESLOK screws with bolted pressure plates and

thread forming screws.

The profiles are galvanic protected (Zn or AL/Zn)

against corrosion.
August 6, 2025 BY
IN ABB

ABB MNS iS design aspects Switchboard construction structured

As a standard, power cabling and control wiring

are strictly separated within MNS iS. The

switchboard is structured as follows:

1 Equipment compartment

All equipment, including the standard motor

starter modules (MStart) in withdrawable

design, is situated therein. The compartment

can be divided in horizontal and vertical

sub-compartments.

2 Control cable compartment

Contains the motor control devices

(MControl), control cables and terminals.

3 Power cable compartment

Contains power cables and connection units.

4 Busbar compartment

Contains the MNS main busbar system and

distribution bars. The distribution bars are

embedded in the multifunction separation

wall (MFW) which is located between the

equipment compartment and the busbar

compartment.

System highlights

• Functional areas are separated from each other

in accordance with IEC 61439 series.

• Power cables are fully separated from the control

and communication cables, thus avoiding

electromagnetic interferences.

• Different access rights to cable compartments

can be granted using different key locks.

The basic elements of the MNS iS frame

construction are “C” shaped steel profiles with

a 25 mm hole pitch according to DIN 43660.

This 25 mm equals the dimension of 1E used

in MNS to define the area usage within

the switchgear.

Each cubicle is precision constructed by bolting

horizontal and vertical profiles together, to form

a rigid modular structure. The assembly is

maintenance free as a result of the construction

method utilizing a combination of thread locking

ESLOK screws with bolted pressure plates and

thread forming screws.

The profiles are galvanic protected (Zn or AL/Zn)

against corrosion.
August 6, 2025 BY
IN ABB

ABB MNS iS design aspects Switchboard construction

Switchboard construction

MNS iS as part of the ABB low voltage switchgear

solution uses the well proven ABB MNS standard

design aspects. MNS aspects described in this

section are fully applicable to MNS iS.

MNS system is a verified low voltage switchgear

design in accordance with IEC 61439 series and IEC 61641.

The consistent application of the modular

principle both in electrical and mechanical design

as well as the use of standardized components

allows its flexible and compact design.

Depending on operating and environmental

conditions different design levels are offered.

Notable system advantages with regard to

design aspects:

• Optimum personal protection

• Design verified by testing

• Arc fault containment acc. criteria 1-7

• High operational reliability and availability

• Earthquake-, vibration- and shock-proof

designs are available

• Maintenance-free busbar construction

• Simple retrofitting procedures

• Compact, space-saving design

• Easy project and detail engineering through

standardised components

The switchboard is divided into vertical and

horizontal compartments thus separating

different functional areas.
August 6, 2025 BY
IN Meggitt

Meggitt vibro-meter VSA004 BNC patch panel with 5 populated slots Applications information

VSA004 BNC patch panel

The VSA004 BNC patch panel is designed to

provide a permanently installed patch panel that

makes the buffered outputs from

VSV30x + VSB300 monitoring modules available

via BNC connectors in a rack, panel or other

enclosure.

The VSA004 is a robust aluminium enclosure with a

standard height of 2U (HE). It provides 10

individual slots with a standard width of 4 TE that

can be populated with either a blank slot panel

or a populated slot panel with cutouts for three

BNC connectors (female), corresponding to the

buffered “raw” outputs of a VSV30x + VSB300

module. That is, the RAW CH1, RAW CH2 and

RAW AUX signals.

The VSA004 BNC patch panel is a DIN-rail

mounting device, making it suitable for industrial

environments where equipment must be installed

on DIN rails. Its compact dimensions also allow it

to be deployed within an industrial housing with a

particular IP or NEMA rating, in order to provide

environmental protection.

Applications information

VSA003 BNC cable assemblies are typically used

with VSA004 BNC patch panels in order to make

the buffered “raw” outputs from VSV30x + VSB300

monitoring modules readily available via BNC

connectors in a rack, panel or other permanent

enclosure.

As each populated VSA004 BNC patch panel slot

uses a VSA003 BNC cable assembly to connect to

a VSV30x + VSB300 module, one VSA003 is

automatically included for each populated

panel slot in an order, although they can also be

ordered separately.

For specific applications and other information,

contact your local Meggitt representative.
August 6, 2025 BY
IN Meggitt

Meggitt vibro-meter VSA004 BNC patch panel VSA003 BNC cable assembly

VSA003 BNC cable assembly

The VSA003 BNC cable assembly is designed to

connect the buffered sensor “raw” outputs

available from VSV30x + VSB300 monitoring

modules to other systems.

The VSA003 uses a 2 m long cable, one end of

which is terminated with flying leads crimped with

wire-end ferrules for easy connection to a

VSV30x + VSB300 module (via the terminal base’s

J2 connector). The other end of the cable is

terminated with female BNC connectors for use

with patch panels such as the VSA004 BNC patch panel.

As each populated VSA004 BNC patch panel slot

uses a VSA003 BNC cable assembly to connect to

a VSV30x + VSB300 module, one VSA003 is

automatically included for each populated

panel slot in an order, although they can also be

ordered separately.

For specific applications and other information,

contact your local Meggitt representative.
August 6, 2025 BY
IN Meggitt

Meggitt vibro-meter VSA004 BNC patch panel with 5 populated slots specifically

More specifically, VSA003 BNC cable assemblies

and VSA004 BNC patch panels make the

buffered sensor “raw” outputs from

VSV30x + VSB300 monitoring modules available

via BNC connectors in a rack, panel or other

enclosure in order to allow test and measurement

equipment to be more easily connected to these

VibroSmart module signals.

VibroSmart distributed monitoring system

A VibroSmart® distributed monitoring system

(DMS) is a network of small and economical

modules providing measurement,

communications or other functions that are

connected together in distributed, networked

measurement blocks in order to provide the

functionality normally offered by rack-based

machinery monitoring systems. A VibroSmart

system consists of one or more measurement

blocks, each containing up to sixteen VibroSmart

modules, such as VSV30x + VSB300 monitoring

modules, a power supply and an optional host

computer running the VibroSight® software.
August 6, 2025 BY
IN Meggitt

Meggitt vibro-meter VSA004 BNC patch panel with 5 populated slots Introduction

DESCRIPTION

Introduction

The VibroSmart® distributed monitoring system

(DMS) is a system of modular and scalable

products designed for condition monitoring and

machinery protection applications for power

generation turbines, oil and gas applications and

auxiliary balance-of-plant equipment.

VibroSmart® modules can be mounted directly

on machinery, eliminating the need for costly

cabling, because it is designed and certified to

work in extremes, such as harsh industrial

environments characterized by potentially

explosive atmospheres (Ex Zone 2), high

temperatures (70°C, 158°F) and high mechanical

stress. VibroSmart® complements the

VM600Mk2/VM600 series of rack-based solutions

from Meggitt’s vibro-meter® product line and is

compatible with the same VibroSight® machinery

monitoring system software.

The VibroSmart® VSA00x BNC cable assemblies

and BNC patch panels are accessories designed

for operation with VibroSmart VSV30x + VSB300

monitoring modules. The VSA003 is a BNC cable

assembly while the VSA004 is a BNC patch panel.
August 6, 2025 BY
IN Meggitt

Meggitt vibro-meter VSA004 BNC patch panel with 5 populated slots KEY FEATURES

KEY FEATURES AND BENEFITS

• From the vibro-meter® product line

• Designed for operation with

VibroSmart® VSV30x + VSB300 monitoring

modules

• VSA003 cable assembly with female BNC

connectors for use with patch panels

• Flexible and durable cables with stranded

centre conductors and braided shields,

terminated with BNC connectors

• VSA004 BNC patch panel

with 10 slots

• Robust all-aluminium construction

VibroSmart® modules can be mounted directly

on machinery, eliminating the need for costly

cabling, because it is designed and certified to

work in extremes, such as harsh industrial

environments characterized by potentially

explosive atmospheres (Ex Zone 2), high

temperatures (70°C, 158°F) and high mechanical

stress. VibroSmart® complements the

VM600Mk2/VM600 series of rack-based solutions

from Meggitt’s vibro-meter® product line and is

compatible with the same VibroSight® machinery

monitoring system software.

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