BOWTHORPE EMP MEH SURGE ARRESTERS (IEC) ENERGY /// MEH SURGE ARRESTERS IEC

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1 BOWTHORPE EMP MEH SURGE ARRESTERS (IEC)

2 GENERIC TECHNICAL DATA Maximum system voltage U m 800 System voltage U s 750 Nominal discharge current ka 20 High current impulse (4/10 µs) ka 100 Arrester class designation SH Repetitive charge transfer rating Q rs C 6.0 Rated thermal energy W th at U r kj/ 15.5 Rated short circuit current ka 65 Cantilever load Specified long-term load (SLL) knm 8.4 Specified short-term load (SSL) knm 21.0 Qualification testing: Decades of design and development experience have been used to produce today s TE Connectivity HV surge arresters. The surge arrester comprises of a number of ZnO elements, assembled within an internal open cage construction, situated within a Porcelain housing and sealed against moisture ingress. TE Connectivity HV surge arresters are designed and manufactured to the current IEC : 2014 standard and the following tests have been successfully performed: Test performed on metal oxide blocks: IEC Clause 8.3 Residual voltage test IEC Clause 8.4 Test to verify long term stability under continuous operating voltage IEC Clause 8.5 Test to verify the repetitive charge transfer rating, Q rs * IEC Clause 8.7 Operating duty test IEC Clause 8.8 Power frequency voltage versus time test IEC Clause 8.15 Test to verify the dielectric withstand of internal components Test performed on complete surge arresters: IEC Clause 8.6 Heat dissipation behavior of test sample IEC Clause 8.10 Short-circuit test IEC Clause 8.11 Test of the bending moment IEC Clause Seal leak rate test IEC Clause 8.14 Radio interference voltage (RIV) test Insulation withstand tests on surge arrester housing: IEC Clause 8.2 Insulation withstand tests include Dry lightning impulse Wet power frequency Wet switching impulse *New test introduced in the IEC : 2014 standard.

3 DESIGN CONCEPT Aluminium end flange Pressure relief diaphragm Glass Fibre Rods Prevention of moisture ingress in porcelain housed surge arresters is very important, we have designed a seal that ensures moisture is kept outside. To prove the seal design the following development and verification tests were carried out. Ageing test on seal material Environmental and pollution test Mechanical and seal leak test Porcelain Housing Aluminium core end fitting Locating ring ZnO Varistors Aluminium spacer HV surge arrester helium leak test chamber for routine testing PAGE 3

4 ELECTRICAL CHARACTERISTICS Maximum System Voltage Rated voltage U r Continuous operating voltage Max. Ures tested with current wave Switching current impulse (30/60 µs) Lightning Current Impulse (8/20 μs) Steep lightning current impulse (1/20 µs) U m 125 A 250 A 500 A 1000 A 2000 A 5 ka 10 ka 15 ka 20 ka 10 ka 20 ka KV * TOV curves are given on technical data sheets for selected surge arrester (on request) Surge arresters with other characteristics are available on request

5 MECHANICAL CHARACTERISTICS TOV Capability (with prior energy) 1 sec* Tc 10 sec* Tc Creepage length Overall height Minimum distance between phase centers Minimum distance between phase to earth Weight Drawing Reference Product code kg BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH PAGE 5

6 ELECTRICAL CHARACTERISTICS Maximum System Voltage Rated voltage U r Continuous operating voltage Max. Ures tested with current wave Switching current impulse (30/60 µs) Lightning Current Impulse (8/20 μs) Steep lightning current impulse (1/20 µs) U m 125 A 250 A 500 A 1000 A 2000 A 5 ka 10 ka 15 ka 20 ka 10 ka 20 ka KV * TOV curves are given on technical data sheets for selected surge arrester (on request) Surge arresters with other characteristics are available on request

7 MECHANICAL CHARACTERISTICS TOV Capability (with prior energy) 1 sec* Tc 10 sec* Tc Creepage length Overall height Minimum distance between phase centers Minimum distance between phase to earth Weight Drawing Reference Product code kg BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH BOW MEH PAGE 7

8 MEH termination options L2 Aluminium Stem Ø30 x 80 high L3 Line Clamp to suit cables up to Ø16 L5 Line Clamp to suit cables up to Ø35 L6 4 Hole NEMA Pad E2 Earth Clamp to suit cables up to Ø16 E5 Earth Clamp to suit cables from Ø 16 to Ø35 E6 4 Hole NEMA Pad M4 Set of 8 Ø89 x 76 Polyfibre Base Insulators Example: MEH L2 E2 M4 Arrester Housing Rated Voltage Mounting Base Earth Terminal Line Terminal

9 Brighton HV Laboratory MARX impulse generator 1.6 MV 500 power transformer with PD and watt loss measurements High Power Impulse Test System MV and HV surge arrester type testing to IEC and IEEE MOV ageing test system with variable frequency AC and DC test voltage and computer control data logger PAGE 9

10 Surge Counter options The TE Connectivity range of surge counters and monitoring instruments are fully tested for use with any manufacturers ZnO surge arrester. The surge counters, are designed for installation in the earth connections of a single phase surge arrester. The SC12 can be installed to used on a 3-phase set of arresters Fully weatherproofed and sealed for life they are housed in a one piece gravity die cast aluminium case, epoxy powder coated to enhance its already high degree of resistance to surface corrosion. SC12 The glass viewing window (SC12 and SC13) is sealed in place using a silicon rubber adhesive, and a desiccant is enclosed to ensure any residual moisture trapped during sealing is absorbed for the service life of the counter. Mounting is effected by means of an integrally cast lug at the rear of the case providing a single clearance hole for the galvanized steel M12 bolt supplied. Available options: SC12 The SC12 gives a visual indication of the quantity of surges the arrester has received; this is via an integrated 6 digit cyclometer. The SC12 can be supplied with an auxiliary volt free contact rated at 1 A V for connection to remote signalling equipment. SC13 SC13 The SC 13 provides the additional measurement of total leakage current. The analogue instrument provides a means of monitoring the leakage current through the surge arrester and over the surface of the surge arrester housing. Significant changes after installation may indicate deterioration in the surge arrester or a build up of surface contamination. The SC13 can be supplied with an auxiliary volt free contact rated at 1 A V for connection to remote signalling equipment.

11 Other product ranges Available Polymeric surge arresters For system voltages up to 550 Standard: IEC , 2014 Designation class: SL, SM & SH by matching parallel columns High Current short circuit up to 65 ka Application: Transmission and sub-station overvoltage protection Polymeric surge arresters Transmission line surge arresters For system voltages up to 550 Standard: IEC , 2014 and IEEE C62.11:2012 Designation class: SL, SM Short Circuit rating up to 65 ka Fast acting disconnect - DD5-130 Application: Transmission line protection Transmission line arresters Cable sheath surge arresters For cable sheath protection up to 10 rating Standard: IEC Designation class: DH, SL & SH Application: Cable sheath protection Cable sheath arresters Cable spiker kit Safety device for cables Cable to BS6622 & BS EN/IEC60228 Suitable for cable up to 102 diameter Hydraulic pump - no explosive cartridge required Application: To determine if 11 cable is dead or alive Cable spiker kit Airfield lighting box type 2DCAFL4 Suitable for 4 DC lighting systems Standard: IEC , 2014 Designation class: DH Robust design to IP65 Application: Protection of airfield lighting Airfield lighting box PAGE 11

12 TE Connectivity (NYSE: TEL) is a $12 billion global technology leader. Our connectivity and sensor solutions are essential in today s increasingly connected world. We collaborate with engineers to transform their concepts into creations redefining what s possible using intelligent, efficient and high-performing TE products and solutions proven in harsh environments. Our 72,000 people, including over 7,000 engineers, partner with customers in close to 150 countries across a wide range of industries. We believe EVERY CONNECTION COUNTS Mining Nuclear power plants OEMs Overhead distribution Petrochemical plants Railways Street lighting Substations Transmission lines Underground distribution Windfarms Solar Hydro-electric WHEREVER ELECTRICITY FLOWS, YOU LL FIND TE ENERGY te.com/energy FOR MORE INFORMATION: TE Technical Support Centers France: Germany: UK: Spain: Benelux: Denmark: Italy: Poland and Baltics: Czech Republic: Sweden and Norway: Middle East: USA: te.com/energy 2016 TE Connectivity Ltd. family of companies. All Rights Reserved. EPP /16 Bowthorpe EMP, TE Connectivity and the TE connectivity (logo) are trademarks of the TE Connectivity Ltd. family of companies. Other logos, product and Company names mentioned herein may be trademarks of their respective owners. While TE has made every reasonable effort to ensure the accuracy of the information in this brochure, TE does not guarantee that it is error-free, nor does TE make any other representation, warranty or guarantee that the information is accurate, correct, reliable or current. TE reserves the right to make any adjustments to the information contained herein at any time without notice. TE expressly disclaims all implied warranties regarding the information contained herein, including, but not limited to, any implied warranties of merchantability or fitness for a particular purpose. The dimensions in this brochure are for reference purposes only and are subject to change without notice. Specifications are subject to change without notice. Consult TE for the latest dimensions and design specifications.

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