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COMPONENTS
Compact HV integrated solutions
for rolling stock
Type MODBOX®
General information
MODBOX® is a compact and modular ‘’plug & play’’ solution,
for a smart and safe integration of high voltage components on
traction vehicles running on AC and DC networks.
Sécheron switching and protection components (AC circuitbreakers, DC circuit-breakers, contactors, disconnect switches)
are primarily integrated in MODBOX®, completed with devices
from first class suppliers for the other functions necessary to the
application.
Built on a standard platform of rolling-stock-dedicated aluminium
enclosure, MODBOX® is configured and engineered to address
each project particular requirements for both integrated
functionalities and interfaces to the vehicle.
MODBOX® is the solution selected by car builders for hundreds
of trains, including high speed trains, running under 3kVDC and
25kVDC networks worldwide.
Designed to solve critical issues met with high voltage components
set individually on vehicles’ roof, MODBOX® offers significant
added value for both car builders and vehicle operators.
Applications, typical examples
15kVAC @162/3Hz or 25kVAC @50Hz
Imes
RS
SA1
Umes
SA2
ES
Imes
UR
Pantograph
VCB
Umes
SA1
Pantograph
MACS
PCC Rpc
Imes1
LC1
Umes
RS
1.5kVDC or 3kVDC
BTE
PCC Rpc
Imes2
LC2
AC MODBOX®
DC MODBOX®
To traction
equipments
RS
: Roof switch (Sécheron)
MACS : Main AC switch (Sécheron)
VCB : AC vacuum circuit-breaker (MACS)
ES
: Earthing switch (MACS)
To traction
equipments
SA : Surge arrester
Imes : Current measurement
Umes : Voltage measurement
Rpc : Pre-charging resistor
RS : Roof switch (Sécheron)
UR : DC high-speed circuit breaker (Sécheron)
BTE : Earthing switch (Sécheron)
PCC: Pre-charging contactor (Sécheron)
LC : Line contactor BMS or SEC (Sécheron)
Feel free to submit us your traction scheme in order to prepare you a MODBOX® proposal designed to your needs.
Main benefits
Modularity
MODBOX® is a modular platform suitable for AC and DC vehicles, offering different sizes (MODBOX® Small, MODBOX® Medium,
MODBOX® Large), depending on the integration scope , as well as variants for roof or under-frame installation.
Plug & Play
One single plug and play unit for most of AC or DC high voltage components, roof or under-frame mounted. Shipped fully equipped and
tested, MODBOX® is convenient to source and ready to be installed.
Compactness
Overall roof/under-frame volume for high and low voltage components is largely reduced with MODBOX®, and no more space for cable
ducts is required between the roof and the car’s ceiling.
Safety
Metal clad enclosure validated by Finite Element Analysis for compliance with EN12663-3, and tested for vibrations & shocks according
to IEC61373. EMC proven, and achieving an IP56 protection index, MODBOX® complies with EN50124 insulation requirements with a
rated impulse voltage of 125kV (150kV in option) for AC versions, and 30kV for DC versions.
Protection for harsh environmental conditions
Protecting high voltage roof equipment against dust, snow, ice and sand, MODBOX® simplifies design constraints for car builders, as well
as it guarantees train operators a longer life time and a higher availability of their rolling stock.
Noise reduction
MODBOX® reduces considerably airborne and structure noise improving comfort for passengers.
High added value
Compared with ‘’stand-alone’’ components solution, MODBOX® reduces significantly project management tasks as well as engineering
and manufacturing risks, while optimizing project overall costs.
Reduced Total Cost of Ownership
Protected with MODBOX® against accidental and meteorological/environmental impacts, high voltage roof mounted components can
afford longer maintenance intervals.
2
Main dimensions
535
Roof mounted MODBOX®
900
LV
HV
1’078
1’160
1’160
Scope of customer
(fixation rails)
1’508
1’670
1’734
Size modularity (constant length = 1’670 mm)
1’160
1’560
1’960
1’300
1’700
MODBOX® Medium
MODBOX® Large
130
535
900
MODBOX® Small
Installation modularity
495
3
590
Underframe mounting (AC MODBOX® M)
Roof - feet modular orientation
Product integration
The quality and the reliability of MODBOX® rely on several key factors, among which the deep know-how needed to integrate together
high voltage components in a compact metal enclosure, as the quality and performances of these integrated components. In both areas
and for decades, Sécheron has been developing a unique expertise, highly valued by our customers worldwide, in the fields of 15/25 kVAC
and 1.5/3 kVDC. Naturally, Sécheron standard proven components are firstly used in AC & DC MODBOX®, completed with equipment from
first class suppliers.
AC MODBOX®
Sécheron components
AC vacuum circuit-breaker (MACS)
Rated voltage : 17.25 kV @ 162/3 Hz
or 27.5 kV @ 50/60 Hz
Rated current: 1’000 A
Optional earthing switch
Optional surge arrester
Brochure ref: SG325101BEN
Disconnect switch (RS)
Rated voltage : 17.25 kV @ 162/3 Hz
or 27.5 kV @ 50/60 Hz
Rated current: 1’000 A
Also available as selector or
disconnect and earthing switch
Brochure ref.: SG1870125BEN
Third party components - Examples
AC voltage sensor
Rated voltage : 17.25 kV
or 27.5 kV
@ 162/3 Hz
@ 50/60 Hz
AC current sensor
Rated voltage : 17.25 kV
or 27.5 kV
@ 162/3 Hz
@ 50/60 Hz
Surge arrester
Rated voltage: 20 kV or 31 kV
DC MODBOX®
Sécheron components
DC high-speed circuit-breaker (UR26)
Rated voltage: 900 V, 1.8 kV, 3.6 kV,
or Dual Voltage 1.8 / 3 kV
Rated thermal current: 2’300 A
Brochure ref.: SG105306BEN
Contactor switch
for pre-charging, heating, … (HSb)
Rated voltage: 4 kV
Rated thermal current: 50 A
Brochure ref.: DW 6047e
Line contactor (SEC)
Rated voltage : 1 kV; 2 kV or 4 kV
Rated thermal current: 1’000 A or 1’300 A
Brochure ref.: SG0201096BEN
Earthing switch (BTE03.04)
Insulation voltage: 4.8 kV
Earthing poles: up to 8
Brochure ref.: SG350387BEN
Line contactor (BMS)
Rated voltage: 900 V, 1.8 kV
Rated thermal current: 800 A or 1800 A
Option for pre-charging contactor PCC18
Brochure ref.: SG202168BEN
Disconnect switch (RS)
Rated voltage: 3.6 kV
Rated current: 1’000 A; 2’000 A; 3’000 A
Also available as selector or
disconnect and earthing switch
Brochure ref.: SG1870125BEN
DC voltage sensor
Rated voltage : up to 3.6 kV
DC current sensor
Rated voltage : 1.8 kV / 3.6 kV
Surge arrester
Rated voltage : 4.7 kV
Differential relay
Rated voltage up to 3.6 kV
',
Third party components - Examples
Sécheron SA
Rue du Pré-Bouvier 25
1217 Meyrin - Geneva
CH-Switzerland
Tel: +41 22 739 41 11
Fax: +41 22 739 48 11
info@secheron.com
www.secheron.com
This document is not contractual and contains information corresponding to the level of technology at the date of printing. Sécheron reserves the right to modify and/or improve the
product, whose characteristics are described in these documents, as required by new technology at any time. It is the purchaser’s responsibility to inform himself, no matter what the
circumstances, of the product’s maintenance conditions and requirements. Sécheron reserves all rights, especially those arising from our “General Delivery Conditions”.
Copyright© 2014 Sécheron SA
SG580044BEN_A01-09.14
NOTE: Other components can be integrated in AC MODBOX® and DC MODBOX®, depending on project requirements.