Production of low-voltage and high-voltage switchgear and control-gear assemblies.

Production of low-voltage switchgear and control-gear assemblies in compliance with EN 60439-1, ed. 2.

Production of cubicle-type standard switchgear and control-gear assemblies of the following types marked as:

• RH designed for supplies to power electrical distribution systems including compensations;
• RO designed for control, signalling, and regulation electrical distribution systems;
• RX designed for transition and terminal distribution systems.

Production of steel-sheet switchgear and control-gear assemblies OCEP of the following types marked as:

• RHO for supplies to power electrical distribution systems including compensations;
• ROO generally for control, signalling, and regulation electrical distribution systems;
• RXO for transition and terminal distribution systems.

Production of switchgear and control-gear assemblies housed in plastic cabinets of the following types marked as:

• MH for supplies to power electrical distribution systems;
• MO generally for control, signalling, and regulation electrical distribution systems;
• MX-O generally for transition and terminal distribution systems.

Production of high-voltage switchgear and control-gear assemblies in compliance with ČSN EN 50123, ČSN EN 62271-200:

• production of cubicle-type high-voltage switchgear and control-gear assemblies of type EZB-3 kV DC designed for direct-current distribution systems in traction supply and switching substations of the 2-3　kV　DC/IT system and performing a function of protection of overhead contact lines of Czech Railways’ tracks;
• production of cubicle-type high-voltage switchgear and control-gear assemblies of type EZB-M designed for direct-current distribution systems in supply and switching substations of the 750 V DC/IT system, and performing a function of protection of overhead contact lines of public city transportation tracks;
• production of cubicle-type high-voltage switchgear and control-gear assemblies of type EZB-U (converter) designed for power supply to overhead contact lines of the 2-3 kV DC/IT direct-current system of the Czech Railways;
• production of cubicle-type high-voltage switchgear and control-gear assemblies of type EZB-AC designed for alternating-current distribution systems in traction supply and switching substations of the 1PEN 50 Hz 27 kV/TN-C,　 1PEN 16 2/3 Hz 17,5 kV/TN-C system, and performing a function of protection of overhead contact lines on Czech Railways’ tracks as well as on foreign tracks;
• production of high-voltage kiosk aluminium-zinc track-side transformer stations of type TS7 –Azi　designed for the 6 kV AC, IT distribution system with a frequency of 50/75 Hz to supply power to interlocking plants of Czech Railways’ tracks;
• production of high-voltage concrete transformer substations of type TS–3M-B designed for the 6 kV AC, IT distribution system with a frequency of 50/75 Hz to supply power to interlocking plants of Czech Railways’ tracks;
• production of high-voltage switchgear and control-gear assemblies of type EPZ-3 kV AC 50 Hz, EPZ-3 kV DC designed for pre-heating of railway vehicles transporting passengers;
• production of high-voltage switchgear and control-gear assemblies in GI-II/I-IV-type plastic cabinets designed to terminate the negative terminal of the 3 kV DC/IT voltage system;
• production of purpose-designed high-voltage switchgear and control-gear assemblies, high-voltage switchgear and control-gear assemblies for special purposes, retrofit of the 6　kV and 22　kV switch truck of the IRODEL switchgear and control-gear assembly, special structures for electrical devices, cubicle-type switching stations.

Other activities:

• assembling of low-voltage equipment for high-voltage switchgear and control-gear assemblies filled with SF6 gas;
• production of purpose-designed low-voltage switchgear and control-gear assemblies and low-voltage switchgear and control-gear assemblies for special purposes, special structures for electrical devices;
• production of parts and elements of overhead contact lines for electrification of railways and city public transportation systems;
• locksmith production and structures, assembled masts, repairs of bodies of railway wagons (also special wagon bodies according to customer’s requirements);
• cold working of metals;
• inert gas shielded welding;
• chip machining;
• production and repairs of pressing dies and tools.

Centre’s facilities:

• pressing plant;
• machining shop;
• locksmith shop;
• tool shop;
• degreasing shop;
• paint shop;
• testing laboratory.

Machine equipment:

• crane, machining shop – 5 metric tons;
• crane, electrical shop – 5 metric tons;
• crane, pressing plant – 8 metric tons;
• blasting machine – through profile of 700 × 400 mm, length of 12 m, S11 steel chippings pursuant to ČSN (S0330 pursuant to SAE);
• sheet shears – sheet gauge thickness of 10 mm, length of 3 000 mm;
• profile shears – 380 × 25 mm rectangular profiles, L 150 × 18 mm profiles, U 65 and 80 profiles, ø 55 mm round bars, bending and punching section – 115 metric tons;
• folding brake press – working length of 3 150 mm, 135 metric tons;
• eccentric press – 10 metric tons, 63 metric tons, 100 metric tons, 160 metric tons;
• profile bending machine – flat steel, T-profiles, solid materials, L-profiles, tubes;
• band sawing machine – ø 260 mm round bars, 310 × 250 mm rectangular bars, turning to the right 45°, to the left 60°;
• centre lathes – maximum swing clearance of ø 400 mm, turning length of 1500 mm;
• NC hole-punching press – maximum sheet size of 2 500 × 1 250 mm, sheet gauge thickness for Fe = 5 mm, for stainless steel = 3 mm;
• universal milling machine – table size of 1 600 × 400 mm, maximum distance of 450 mm between the spindle axis and table;
• thread rolling machine 3-75 mm, thread length of 80 mm, pitch subject to negotiation;
• screw-cutting lathe M16 – M45, length depending on diameter;
• drill-grinding machine, ø 4 – 40 mm;
• centre grinding machine – maximum ø 250 mm, length 750 mm;
• flat-surface grinding machine 3 G 71 M, with magnetic table;
• column-mounted upright drilling machines VS 32 , Morse taper shank 3;
• welding sources – MAG, TIG technology (ordinary steel , stainless steel, aluminium);
• hardening furnace 470 × 310 × 600 mm, temperature 980 °C;
• painting booth 6 000 × 3 960 × 2 920 (l×w×h), maximum size of products 2 200 × 1 400 × 1 200 mm;
• degreasing booth 4 200 × 4 500 × 2 200 (l×w×h);
• cutting plotter – roll width 600 mm;
• moulding press – range of pressing diameters – ø 10-87 mm;
• CNC turning machine – length between centres of 1 250 mm, ø swing clearance over bed of 245 mm, spindle throughput – ø 54;
• writing device for conductor and cable marking sleeves.

Handling equipment:

• fork-lift truck, front, 1.7 t and 3.5 t;
• fork-lift truck, front, 5 t + additional crane arm, hydraulic, extension, 5 t;
• tractor Zetor 7441 4 × 4 + semi-trailer 2.5 t + trailer 8 t;
• wheeled loader UN 52 + dipper bucket;
• wheeled loader UNC 60;
• putdoor gantry crane MB 1645P 10 t;
• renault, platform truck 12 t, with hydraulic arm 2.5 t;
• trailer platform truck 13 t;
• renault, platform truck 2.8 t, with hydraulic front;
• weighing-machine, electronic, crane KGW 1010 t.

The following facilities are available for use on the centre’s premises:

• 4 100 m2 production hall area;
• 2 030 m2 indoor storage area;
• 12 000 m2 outdoor storage area;
• own railway siding connected to Česká Třebová railway station.

Contact:

Elektrizace železnic Praha a.s.
071 Česká Třebová Production Centre
Semanínská 2082, 560 02 Česká Třebová, Czech Republic

Phone: +420 296 500 940
Head of the centre: Jiří Svoboda: jiri.svoboda@elzel.cz, 071@elzel.cz