Technology SIVACON S8

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Large amounts of energy, an infinite number of consumers around the clock with supplied parts? With our standardized products and systems you will always remain master of the situation, in any situation and throughout the life cycle of low-voltage switching installation (LVSG). Standardized high-tech components allow significantly reduce the costs and risks associated with investments in capital equipment. Modularity and intelligence of all components many times to justify themselves by reducing operating costs and ensuring maximum availability.

Within the original concept of an integrated power supply (TIP) Siemens offers unique solutions for electricity distribution from medium-voltage substations to the usual outlets. Communications capabilities of our CLE allow efficient embedded into automation systems for industrial processes and buildings and make a significant contribution to saving energy and money. In the distribution of electricity Siemens offers its customers a solid system, which includes:

¦ Systems SIMATIC power control to control energy flows


¦ Electrical Busbars SIVACON

¦ Switching and Protection Devices SENTRON

¦ Program Simaris Design for calculations and design of low voltage electrical networks.

Sivacon S8

Design of LVSG:

Maximum reliability and attractive appearance SIVACON S8 complement each other in effectively designed and easy distribution of electricity to 7000 and administrative and industrial buildings, as well as in continuous manufacturing processes. Along with the wide-ranging additions to enhance the protection of personnel and equipment to the new design opens up for these patch panel’s entirely new application.

Rich, great benefits

¦ Maximum reliability thanks to a fully tested standard components (tested LVSG)

¦ Maximum safety for operating personnel due to the sustained arc short circuit design

¦ Perfect for the integration of industrial design in the modern spatial LVSG solutions

¦ Compact. The area of the installation of one section of 400 x 500 mm

¦ Location of busbar on top or rear

¦ Combining different methods of installation in one section

¦ Flexible harmonization of internal separation of individual customer requirements

¦ Easily modified sample door by universal hinges

¦ Efficient ventilation

¦ Connecting cables and tires, top, bottom or rear

Tested and reliable

SIVACON S8 is a fully tested standard combination of low-voltage switchgear (TTA LVSG), which corresponds to the physical properties of both workers and emergency situations. Conducted in the development of the new system the final model testing according to IEC 61439-2, DIN EN 61439-1/2 can guarantee the highest degree of security for equipment and personnel.

Test results on the localization ability of the arc short circuit according to IEC 61641 and VDE 0660, Part 500, sheet 2 also apply to LVSG SIVACON as standard.

Section with circuit breakers

Section of input supply, distribution and partitioning are equipped with open circuit breakers SENTRON 3WL a drawer or a steady performance, or alternatively compact switches SENTRON 3VL. Since these sections are usually connects a large number of consumers, they attached particular importance in terms of long-term protection of equipment and personnel. Compact and reliable LVSG SIVACON meets these requirements in all respects.

Compartment for auxiliary devices

¦ Optimal conditions for accommodation fees with auxiliary devices, including device control and blocking

¦ To make changes, the circuit board is separated from the power unit and removed

Equipment compartment

¦ Safely move the circuit breaker when the door is closed

¦ Workshop location allows us to inspect on the spot, without removing the circuit breaker

Compartment for connection of the cable or bus

¦ Arbitrary top or bottom cable connection or tires

¦ Dimensions compartments for different nominal currents create optimal conditions for connecting the cable and tire

¦ Optimization compartment connections reduce installation time

¦ High reliability due to the use of typical standard cells (TTA LVCD)

¦ Test and disconnected position with door closed

¦ Dimensions section of the correct size of the circuit breaker

(Width 400 mm to 1600 A, 600 mm to 3200 A, width of 800 mm to 4000 A, width 1000 mm to 6300 A)

¦ Optimal conditions for connecting to each range of rated currents

¦ Lower / upper Cabling / Bus

¦ Standard adapters for connecting busbars SIVACON 8PS

SENTRON 3WL/3WA easy to handle, easy to maintain

¦ The range of nominal current of 630 to 6300

¦ The arbitrary choice of direction input power without limitation technical parameters

¦ High thermal resistance for the selective on-time protection against short circuits up to 400 ms ensures reliable operation of parts of the installation not affected by short-circuited

¦ Protection against short circuits by selective zonal control (ZSS) at very short latency (50 ms) regardless of the number of steps in the cascade

¦ LCD display indicating the operating current in the control panel without additional ammeters and current transformers

Individual combinations

Section universal mounting

Pull and plug-in units

In many cases there is need to ensure the optimal size of LVCD. At the same time in one section, combining different methods of installation. Section LVCD universal mounting SIVACON offer efficiency, reliability and multiplicity of solutions through a combination of feeder drawer performance, in the form of removable blocks, fixed installation and feeders with removable 3NJ6. With frequent changes in requirements, for example, when you install another engine power, or when new load the necessary flexibility can be achieved through a change drawer units, a concept which takes into account the requirements of ergonomics. Simple and confident service \providing high level of availability of equipment.

System plug-in buses

The system is plug-in tires in the rear section. It provides protection from contact with live parts with his finger, even without protective curtain.

¦ Protection of the arc short circuit

¦ Separation of phases

¦ 3 – and 4-pole response

¦ Protection from touching finger (IP20B)

¦ Holes for pickup voltage in increments of 50 mm for the standard and miniature withdrawable unit



¦ Blinds double-action for Standard withdrawable unit


Adapter for miniature withdrawable units

A system of plug-in buses and has a connection for power supply, taps and control lines for miniature blocks of size ¼ and ½.

¦ Protection of the arc short circuit

¦ Separation of phase’s

¦ 3 – and 4-pole response

¦ Protection from touching finger (IP20B)

¦ Hole for installation and connecting four size ¼ units or two size ½ units



¦ Curtains for miniature withdrawable unit


Withdrawable units SIVACON are reliable and safe:

Maintenance and operation

¦ High reliability due to the typical standard components (TTA LVCD)

¦ Uniform Management withdrawable unit all types and sizes

¦ Correct size drawer units Breaking capacity (miniature blocks, building blocks)

¦ No parts protruding beyond the contour of the withdrawable unit (protection against damage).

¦ Built-in lock from errors in service at all withdrawable unit

¦ Unique display of a sliding block

¦ Separate control main switch and the position of sliding block

¦ Ensuring that the test and disconnected position with door closed without violating the degree of protection

¦ locking in disconnected position

¦ Patented contacts with long lifetime

¦ Option coding withdrawable unit prevents errors when installing the unit the same size

¦ Turning on the standard toolbar withdrawable unit to change the settings in the process of work

¦ Standard withdrawable unit for motor and cable assemblies up to 630 A

¦ Miniature withdrawable unit for motor and cable assemblies up to 63 A

¦ With fuse and fuseless feeder assembly

Small withdrawable unit

¦ Dimensions ¼ and ½ units height of 150 mm and 200 mm (up to 48 units per section)


Standard withdrawable unit

¦ The height from 100 mm to 700 mm (up to 18 blocks in the section)

Optional performance as a removable unit (design similar to the standard withdrawable unit)

¦ Fixed contact system and the connector of the auxiliary circuits (removable block moves)

¦ Only the working and separated position (test and disconnected position available)

¦ Built-in lock from errors in service

Easy move blocks and lack of mechanical resistance in the connectors

Flexibility and security to adapt to new requirements

¦ Simple modifications, alterations or compartments without shutting down the section

¦ No action on connecting to the drawer unit

¦ Contact us to connect power and control cables in a separate compartment

¦ Front-end cable connection compartment width 400 mm or 600 mm

¦ The rear compartment of cable connections a width of 600 mm and a width of 600 mm section

¦ Connecting the control cables to the spring or screw terminals

Communication with SIMOCODE pro via PROFINET, PROFIBUS DP and MODBUS RTU

¦ Built-in full motor protection

¦ Large scope of control functions

¦ Comfortable diagnosis

¦ Work Offline with each feeder via operator panel

¦ Reduce the amount of hardware and wired connections

Individual combination:

Universal mounting section

Stationary units in the compartments with doors and removable 3NJ6

In many cases it requires an integrated solutions.

At the same time in one section should combine.

Different ways of installation. Here shields SIVACON are leaders in efficiency, reliability and multi-variant with the ability to combine feeder assembly steady-state performance with removable feeder assemblies 3NJ6.

¦ High reliability due to the typical standard components (tested LVCD)

¦ Cable assemblies up to 630 A with the current measurement and without

¦ A combination of different methods of installation (fixed and detachable cable assemblies)

¦ Arbitrary combination of modules of functional blocks

¦ Additional items for practical separation of the functional compartments (up to form 4b)

¦ Party Service is powered by either a solid door or doors separate compartments

¦ Cable connection compartment width 400 mm or 600 mm


Vertical distribution bus

A variety of options for connecting cables, wires and busbars without drilling holes

The separation

Oriented to the user’s requirements kinds of the separation and integration of security requirements

Patented terminals

for connecting power cable to the internal division of type 4b

Wide integration:

Fixed installation with front cover

In some cases there is no need to replace components without interrupting production or have an opportunity to short breaks. Here, high efficiency, safety and versatility will be ensured by SIVACON fixed-mounted sections with front covers.


¦ High reliability due to the typical standard components (tested LVCD)

¦ Cable assemblies up to 630 A with the current measurement and without

¦ Free combination of modules of functional blocks

¦ Innovative fasteners for front covers

¦ Front covers on swing frames for ease of commissioning and maintenance

¦ Additional items for practical separation of the functional compartments (up to form 4b)

¦ The service side is equipped with front covers or a solid door along the height of the section

¦ Door with clear glass for integration into modern premises

¦ Cable connection compartment width 400 mm or 600 mm

Single or multiple feeder assembly

¦ Smooth adjustment of mounting plates for installation of devices in the same plane along the front

¦ Operation through the front cover

¦ Assemblies with or without plug-in base


Modular devices

¦ Aluminium mounting rail for mounting modular devices

Economical installation:

Section stationary 3NJ4

Section for cable assemblies fixed installation equipped with In-Line Fuse Switch Disconnectors, which due its compactness and modularity provide optimal for economic indicators used this technology infrastructure.


¦ High reliability due to the typical standard components (tested LVCD)

¦ Cable assemblies up to 630 A with the current measurement and without

¦ Ability to set one section of 14 cable assemblies

¦ Changing the fuses in the deenergized mode

¦ The doors at the request of either continuous or with a cutout

¦ Optional installation modules quickly mounted system or mounting rails

¦ The width of the section 600 mm and 800 mm

Rapid upgrade:

Section of removable 3NJ6


Switching devices in the form In-Line Fuse Switch Disconnectors with plug-contacts on the side I represent the cost alternative to the withdrawable unit and provide for its modularity easy and fast
upgrading or replacing non-stop production. LVCD SIVACON – a symbol efficiency, reliability and flexibility.


¦ High reliability due to the typical standard components (tested LVCD)

¦ Disconnectors load with a double break for cable assemblies up to 630 A

¦ Built-in current transformers (replacementing)

¦ Manual or motor drive

¦ Accessories for self-retrofitting

¦ High density mounting – up to 35 taps at the section

¦ Cable connection compartment width 400 mm or 600 mm

¦ Degree of protection up to IP41 can be replaced without shutting down the apparatus of each LVCD


Compensation of reactive power

Reactive power occurs in electrical circuits with inductive loads (motors, transformers, chokes, welding machines, etc.).

Electronic control of reactive power to be installed on cabinet doors

¦ Multi-function display

¦ Automatic tuning values of C/k

¦ Adjustable setting cos phi from 0.8 ind. 0,8 emk.

¦ Manual/automatic mode

¦ Display of the network parameters U, I, f, cos phi, P, S, Q upper harmonics

Capacitor module (up to 200 kVAr)

¦ Fuse-disconnector load

¦ Capacitor contactors

¦ MKK Capacitors

¦ Dischargers

¦ Detuning chokes

Module load disconnector

¦ Optional central shutdown of compensation modules is possible, providing a visible break

All under protection:

Localization ability

Tests of ASSEMBLY under fault arcing conditions are referred to as special tests according to IEC 61641 or VDE 0660, part 500, sheet 2. These tests assess the hazard to personnel in the event of a fault arc occurring within a section. Carrying out such tests serves to confirm the safety of SIVACON low-voltage switchgear of standard design.


1. Doors, lids, etc., must remain closed.

2. Details are to remain in their places.

3. There should not be burning holes in the shell.

4. May not be indicators of inflammation.

5. The electrical continuity of the protective conductor (PE) circuit must be maintained.

Additional elements

To limit the impact of arc short circuit within the LVCD:

¦ Localization in one section (arc barriers)

¦ Fully insulated main busbar

All requirements are considered

The principle of modularity, as in a separate section, and a complete set switchgear allows optimally adapted to any LVCD requirements customer.

¦ The position of the main busbars can be top or rear

¦ Any configuration of equipment compartments, regardless of the position of the busbars and the depth of the section

¦ The degree of internal separation of the LVSG by types from 1 to 4, according to (DIN EN 61439-2)

¦ Possibility of combining different mounting methods in one section (withdrawable and removable units, fixed mounting and plug-in bases).

¦ Alignment of the switchgear on the front and on the rear wall of all types of sections

¦ Installation of sections – freestanding (in one line or double front) or wall installation (in one line).

¦ Connecting a cable or bus from the top, bottom or rear

¦ Switchboard height optional 2000 mm or 2200 mm (up to 4000A). Over 4000A – height 2200mm.

¦ Base 100 mm or 200 mm (optional)


Quick adaptation to new technical solutions

¦ Quick replacement or change of function blocks

¦ Good access to the busbar

¦ Fast processing and delivery of additional orders due to modularity of the equipment

Flexibility in every respect:

The different tasks facing the GCC require individual implementation options. In any solution – from “simple” systems to multi-component networks with transverse and longitudinal sectioning – SIVACON LVSG combines cost-effectiveness of the structure and high quality.

¦ Top or rear position of busbar

¦ Busbar systems for nominal currents up to 7000 A

¦ Electrodynamic (Ipk) up to 330 kA

¦ The ability to integrate the two systems in the LVCD busbar

¦ Easy access to places of transport connections in the front or top

¦ Do not require service connection busbars


¦ Arcing barriers to contain the arc in the same section

¦ Fully insulated main busbar

Technical data. Overview table