Gemini, something
completely different in
switchboards
ABB SACE’s Gemini range is
revolutionizing the market of low
voltage electric insulating
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switchboards.
The reason for this is that it is
the first switchboard made in
thermoplastic material, to which
the co-injection molding technique gives the same mechanical characteristics as polyester .
This means that it is extremely
sturdy , with its rigid covering and
expanded internal core. Moreover, it contains no fiberglass, a
material that with time rises to
the surface, jeopardizing the
functioning and safety of switchboards made in polyester with
which it is usually mixed.
Gemini switchboards have IP66
degree of protection (IP40 with
the door open and with the appropriate components installed)
and a very high resistance to
chemical and atmospheric
agents. This is the reason why
Gemini guarantees excellent
performances even in particularly severe operating conditions.
Introduction
Characteristics of Gemini switchboards
Gemini switchboards are made with co-injection,
which ABB SACE is the first manufacturer in the
electric field to use as a molding technique. This
process obtains a “sandwich” of two materials with a
compact external covering and an expanded core,
guaranteeing the highest level of mechanical
protection against impacts (IK10) without the need to
add hardening substances.
Polyester is usually mixed with fiberglass, which, with
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wear, rises to the surface and can become a risk factor
for skin burns that may occur during installation and
maintenance and accidental contact.
Moreover, it causes deterioration of the technical
strength and lasting characteristics of the material to
which it is added: Gemini, on the other hand, keeps its
mechanical characteristics in the long term.
The co-injection technique makes the manufacturing
operations themselves safe because the products are
completely finished when they come out of the mold
without any flash or other surface irregularities.
Strong outside and
versatile inside,
Gemini is fit for all
applications
There are as many configurations as there are ABB devices
for low voltage automation and
distribution: moulded-case circuit breakers, modular circuit
breakers, monitoring, control
and signaling devices, wiring
ducts and electrical connection
systems.
All of these components give
the “Gemini system” an enormous range of ad hoc solutions
that are easy to assemble with
the snap-on system.
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Nothing can be compared with
Gemini, even when the switchboards have reached the end of
their life cycle: they are totally
ecologically compatible. The
material used to manufacture
them is 100% recyclable. Polyester, on the other hand, cannot be recovered.
Moreover, to make sure that
correct disposal procedures are
followed, instructions are provided about how to identify
materials and what to do with
the product once it has served
its useful purpose.
Quality and safety
ABB’s Gemini is designed and
built in compliance with reference Standards that define its
constructional and functional
characteristics.
In particular, the IP66 degree
certifies that Gemini is totally
protected against the infiltration
of solid bodies and is resistant
to the penetration of jets of water similar to sea waves.
Absolute protection is provided
by double insulation even in the
event of indirect contact. Rated
uninterrupted current can reach
a threshold of 400 A.
Even in very difficult application
circumstances, Gemini gives
high-level performances, with
resistance to fire and abnormal
heat up to a temperature of
750 °C and a functioning temperature from -25 °C to 100 °C.
Moreover, the material with
which it is manufactured retains
its characteristics for a long time
since it is not subject to corrosion by chemical or atmospheric
agents. Also it does not turn
yellow when exposed to UV
rays.
Introduction
Characteristics of Gemini switchboards
Gemini is made in a thermoplastic material that has
a very low halogen content and is 100% recyclable.
The environmental compatibility of Gemini is an
important objective right from the design phase where
the Life Cycle Assessment (LCA) procedure, defined in
1990 during the Society of Environmental Toxicology
and Chemistry Conference (Vermont, USA), is
followed. Life Cycle Assessment is an objective method
for analyzing the energy and environmental loads
relating to a product, process or activity, carried out
by identifying and quantifying energy, the materials
used and emissions released into the environment.
Divided into four phases, the assessment covers the
entire life cycle of the product, process or activity,
from the extraction and transformation of raw
materials to manufacturing and distribution, and
from usage to recycling and decommissioning.
3ABB SACE
A switchboard that is not
just one system, but three
Gemini is the result of design
work conducted by ABB with
the direct collaboration of
switchboard manufacturers, installers and designers who considered versatility to be the discriminating element when purchasing a switchboard, equally
as important as sturdiness and
reliability.
Gemini fulfils this requirement by
providing a product that can be
used for three different purposes: in addition to the basic
configuration it also provides the
components necessary for
equipping it as an automation
switchboard or as a distribution
and mixed switchboard.
In all applications, compatibility
with ABB protection, control
and monitoring products means
that a real system of integrated
and complementary functions
can be configured.
Typical examples of some
Gemini applications can be
seen in installations in industrial
production departments and on
board machines, in galvanization plants and varnishing cabins, in petrol stations and carwashing plants, boiler-rooms,
car parks, shopping malls and
in any other environments
where distribution and automation demand specific safety requirements and service continuity .
Gemini also has flexible measurements, with six different box
sizes and internal space to accommodate from 24 to 216 DIN
modules.
To respect safety standards, all
the switchboard’s components
can be fixed to the base plate
or to the box frame without ha-
Introduction
Characteristics of Gemini switchboards
Written in full, its name “Protect IT Multipurpose Box
Gemini” says that no switchboard is more reliable.
Integration of Gemini with other ABB low voltage
protection, monitoring and control products fulfils the
objective of offering the market a complete range of
products and systems.
IT
In particular, Industrial
developed for integrating company activities at all
levels, in which each product is seen as one element of
a single solution. Products and technologies are
grouped into functional suites, each of which
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measures, monitors, optimizes and supports a specific
“block” of activities, interacting in a coordinated manner thanks to the platform
created by ABB (AIP: Aspect Integrator Platform).
Not only are all the certified products interactive, but they also ensure that all the
information needed to operate them is readily available in the latest edition:
technical characteristics, installation, user and maintenance instructions,
environmental certificates and declarations.
More information is given in the section entitled Products and services/IndustrialIT
on the ABB website www.abb.com
ving to use any tools; wiring is
carried out from the front followed by snapping the base
plate or the frame onto the box.
The patented frame is fitted with
the cable duct incorporated in
the uprights.
In its design, Gemini repeats the
shapes and RAL 7035 grey
color of the ArTu switchboards
with which it can be configured
as a main protection switchboard.
aided design programs simulate
all types of application condi-
tions translating virtual checks
into a process to improve the
performances of Gemini so that
it will be able to respond more
accurately to market require-
ments.
Experience and innovation
Gemini has two central aspects.
It is both the result of years of
work in the production of installation material and the expression of the most advanced
technology, from design to distribution.
In the laboratory, computer-
is the solution ABB has
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ABB SACE4
Characteristics
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grunnenhet
automasjon
distribusjon
tilbehør
PROTECTION
STRENGTH
PERFORMANCE
FLEXIBILITY OF
USE
1
INSTALLATIONFRIENDL Y
QUALITY AND
ENVIRONMENT
IP66 (IEC EN 60529)
Class II insulation
Thermoplastic material moulded in co-injection
Resistance to abnormal heat and fire up to a temperature of 750 °C (IEC EN 60695-2-1)
IK10 (IEC EN 50102) degree of resistance to impacts
Protection against chemical and atmospheric agents (water , saline solutions, acids,
basic agents, mineral oils, UV rays)
Operating temperature -25 °C÷ +100 °C
Rated uninterrupted current up to 400 A
Rated service voltage up to 690 V
6 sizes from 335x400x210 mm to 840x1005x360 mm (WxHxD, external dimensions)
DIN 24 to 216 modules
Snap-on mounting of all components in compliance with safety Standards
Compliance with international reference Standards EN 50298, EN 60670, EN 60439-1
IMQ mark according to Standard EN 50298
100% recyclable
2
Order codes
Basic configurations
In the basic configuration,
Gemini switchboards are composed of boxes in six different
sizes ranging from 335x400x210
mm to 840x1005x360 mm
(WxHxD, external measurements) and with opaque or
transparent doors.
In both versions, the doors are
reversible and clip onto the
hinges without the need to use
tools; the fact that they open at
an angle of more than 180°
means that it is easy to work on
the components installed inside
the switchboard. The seal applied by extrusion along the
sides of the doors guarantees
IP66 degree of protection. Access to the inside of the switchboard is protected by a standard double bit lock that can be
replaced by locks of another
type available in the accessories.
Boxes and doors can be requested either separately or as
combined “box + door” codes,
to make filling out the order form
more flexible.
Inside the packages, the door
is always wrapped separately
and inserted inside a pocket
that protects it from accidental
damage until wiring is completed and the switchboard is
installed.
Hole-cover plugs to guarantee
IP protection and double insulation for wall mounting are also
supplied with the pack together
with the instruction sheet.
No tools are needed for installation. The doors hook onto the hinges with special
hinge pins and are reversible.
Gemini doors open at an angle of
more than 180° giving easy access to
the devices installed inside the
switchboard.
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FOTO NUOVA
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The special structure of the inner perimeter of the box ensures further protection
against the penetration of water. The box is supplied with a spirit level.
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Order codes / el.nummer
Basic configurations
SizeDimensionsModulesCodes / el.nummer
Boxes and doors
• Available in 6 sizes
• Single order code combined with box and transparent and opaque door
• Pack with door dismounted and wrapped separately
• Door designed so that it can be hooked onto hinges at both vertical sides and mounted without the use of tools
• To be mounted to the wall using internal holes or fixing brackets supplied as accessories
• Door opening at an angle of more than 180°
• RAL 7035 grey color
• Doors supplied with 2 standard double bit locks (3 for sizes 5 and 6) that can be replaced with locks for ciphered key or
with square/triangular impression (the standard triplex key is suitable for use with three types of impressions).
ExternalInternalMax no.No. vertical mod.With transparent With opaque