Hitachi SM 6145 Installation Operation & Maintenance Download Page 24 | Manualshive

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STS USASecondary Surge Suppressors USSP)

Copyright SM 6145, Rev. 23, March 2019

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Summary of Contents for SM 6145

Page 1: ...SM 6145 1000 Technology Drive Pittsburgh PA 15219 645 Russell Street Batesburg SC 29006 STS USA Secondary Surge Suppressors USSP STS USA Part Nos N451552 05XX Installation Operation Maintenance ...

Page 2: ...STS USASecondary Surge Suppressors USSP Copyright 2019 SM 6145 Rev 3 March 2019 ...

Page 3: ...ut the prior written consent of STS USA Important Notice STS USA constantly strives to improve our products and keep our customers apprised of changes in technology Following the recommendations contained in the attached service manual will provide our customers with optimum operational reliability The data contained herein purports solely to describe the product and does not create any warranties...

Page 4: ...ppressors USSP Copyright SM 6145 Rev 23 March 2019 ii Revision History REV DATE NATURE OF REVISION 1 February 2012 Initial release 2 April 2012 Revised Table 1 1 for suffixes 0525 and 0527 3 March 2019 Hitachi Rail STS Branding ...

Page 5: ...eneral Current Test 4 2 5 PARTS LIST 5 1 6 RAIL TEAM AND TECHNICAL SUPPORT 6 1 List of Figures Figure 1 1 Typical USSP Secondary Surge Suppressor 1 1 Figure 1 2 USG A Lightning Arrestor Schematic Diagram 1 3 Figure 3 1 USSP Battery Line Track Circuit and AC Line Models Typical Installation 3 2 Figure 4 1 USSP Test Set Up 4 2 Figure 5 1 USSP Assembly Drawing 5 3 List of Tables Table 1 1 USSP Electr...

Page 6: ...STS USASecondary Surge Suppressors USSP Copyright SM 6145 Rev 23 March 2019 iv ...

Page 7: ...f the cover and the top side of the cover is marked to indicate functions and polarities of the terminals and the maximum current ratings of the unit Two mounting brackets are fastened to the ends of the case Figure 1 1 Typical USSP Secondary Surge Suppressor All USSP models incorporate a transient voltage surge suppressor TVSS The battery line model uses a unipolar avalanche type diode The track ...

Page 8: ...s the positions of the various USG A arresters on the USSP models CAUTION The USG A Low Voltage Arrester N451552 0101 is a varistor filled gap arrester designed to be used in a Line to Line application These are NOT to be used in a Line to Ground application The USG A High Voltage Arrester N451552 0201 is a true air gap arrester and is designed to be used in Line to Ground applications 1 2 Specifi...

Page 9: ...504 0513 0514 0515 0516 USSP 10 0505 0506 0507 0508 0517 0518 0519 0520 _ _ T2 T4 T1 T3 USSP 10 0509 0510 0511 0512 0521 0522 0523 0524 _ _ T5 GND 0201 T2 T1 T4 T3 0201 T6 GND USSP 21 0525 _ _ _ _ USSP 20 0526 T2 T1 T4 T3 T2 T4 T1 T3 USSP 20 0527 T2 T1 T8 T7 0401 USSP 30 0528 T2 T8 T1 T7 T9 0401 0401 USSP 31 0529 0101 0101 US0105 0001 00 Figure 1 2 USG A Lightning Arrestor Schematic Diagram ...

Page 10: ...18 8 V Zener Transient Suppressor None 0513 11 Battery Line 32 VDC 3A 150 100 MFD 50 V 33 3 V Zener Transient Suppressor Low Voltage 1 High Voltage 2 0514 11 Battery Line 32 VDC 7A 22 100 MFD 50 V 33 3 V Zener Transient Suppressor Low Voltage 1 High Voltage 2 0515 11 Battery Line 32 VDC 15A 16 100 MFD 50 V 33 3 V Zener Transient Suppressor Low Voltage 1 High Voltage 2 0516 11 Battery Line 32 VDC 2...

Page 11: ...0532 21 Track Circuit 63 VDC 50A 5 None 63 2 V Zener Transient Suppressor Low Voltage 1 High Voltage 2 0535 20 Track Circuit 44 VDC 50A 4 None 44 V Zener Transient Suppressor None Table 1 2 USG A Lightning Arrestor Specifications Part No N4551552 Operating Voltage Firing Voltage Resistance 0101 32 VDC 25 VAC 75 200 VDC 50 150 VAC 60 Hz 10 3 ohms 32 VDC 0201 250 VDC 175 VAC 500 1300 VDC 350 950 VAC...

Page 12: ...STS USASecondary Surge Suppressors USSP Copyright SM 6145 Rev 23 March 2019 1 6 ...

Page 13: ...ficient to allow some overshoot voltage into the equipment lines USSP models use a Zener TVSS diode or varistor as transient voltage suppressors to shunt this residual surge voltage before it can reach equipment components The surge current first passes through the inductor coils which limit or choke the current to a level which will not destroy the Zener TVSS diode The coils also assist in the fi...

Page 14: ...STS USASecondary Surge Suppressors USSP Copyright SM 6145 Rev 23 March 2019 2 2 ...

Page 15: ...in that electrical connections to the terminal posts including leads on lightning arresters installed in the field are also tight Use only eyelet terminals crimped and soldered on wiring to be attached to the USSP and keep the wiring orderly and away from the lightning arrester bodies CAUTION If USSP models without lightning arresters USSP part number suffix 0509 0510 0511 0512 0522 0523 and 0524 ...

Page 16: ...SM 6145 Rev 23 March 2019 3 2 US0105 0002 00 1 2 5 6 3 4 USSP 21 SOLID STATE EQUIPMENT USSP 11 3 4 5 6 1 2 RECTIFIER USSP 30 7 8 1 2 120 VAC USG A HIGH VOLTAGE ARRESTERS Figure 3 1 USSP Battery Line Track Circuit and AC Line Models Typical Installation ...

Page 17: ...d appearances of the components particularly the capacitor and or solid state component s If these have been subjected to full surge currents there may be discoloration evidence of burning or destruction of the component body For maintenance information on the USG A Lightning Arresters see SM6108 If the above examination turned up outward physical mechanical defects these may be corrected and the ...

Page 18: ...the case US0105 0003 00 POWER SUPPLY OR VARIAC AMMETER 100 OHM 10 WATT RESISTOR A V HIGH IMPEDANCE VOLTMETER TERMINAL 2 TERMINAL 1 USSP Figure 4 1 USSP Test Set Up Use Table 4 1 to select the proper input voltage for the particular USSP model being tested Apply this voltage to terminals 1 and 2 NOTE If applied voltage is DC apply Plus to terminal 2 and Minus to terminal 1 For the selected voltage ...

Page 19: ...VDC 0 010A 0507 18 VDC 0 010A 0508 18 VDC 0 010A 0509 18 VDC 0 001A 0510 18 VDC 0 001A 0511 18 VDC 0 001A 0512 18 VDC 0 001A 0513 32 VDC 0 033A 0514 32 VDC 0 033A 0515 32 VDC 0 033A 0516 32 VDC 0 033A 0517 32 VDC 0 033A 0518 32 VDC 0 033A 0519 32 VDC 0 033A 0520 32 VDC 0 033A 0521 32 VDC 0 001A 0522 32 VDC 0 001A 0523 32 VDC 0 001A 0524 32 VDC 0 001A 0525 7 VDC 0 005A 0526 7 VDC 0 005A 0527 7 VDC ...

Page 20: ...STS USASecondary Surge Suppressors USSP Copyright SM 6145 Rev 23 March 2019 4 4 ...

Page 21: ...e equipment which is to be protected Parts common to all USSP models are given in Table 5 1 and are referenced to Figure 5 1 Table 5 1 Common Parts Item Number Description Part Number 2 Case M4515530901 3 Bracket mounting M4515530801 4 Screw 6 32x1 2 fl hd J052121 5 Washer sst 6 shake proof J4751210126 6 Nut 6 32 hex steel J048148 7 Terminal post M160475 8 Washer 1 4 shprf lock J047943 9 Nut 14 24...

Page 22: ...0701 0501 0101 1 303 0509 0402 0601 0701 0501 0510 0402 0602 0701 0501 0511 0402 0603 0701 0501 0512 0402 0604 0701 0501 0513 0403 0601 0702 0502 0101 1 0201 2 0514 0403 0601 0702 0502 0101 1 0201 2 405 0515 0403 0603 0702 0502 0101 1 0201 2 0516 0403 0604 0702 0502 0101 1 0201 2 502 0517 0402 0601 0702 0502 0101 1 0518 0402 0602 0702 0502 0101 1 0519 0402 0603 0702 0502 0101 1 304 0520 0402 0604 ...

Page 23: ...0 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 18 25 B 18 3 A 18 7 A 18 15 A 18 25 A 18 7 A A A 18 15 3 18 18 25 3 A B B B B A A A 32 32 32 32 32 32 15 25 3 7 15 25 3 7 A A A A 32 32 32 32 32 7 7 7 A E F F 32 7 15 25 50 50 50 50 63 20 20 44 50 C X Y D X Y E F _ _ 14 22 TERMINAL 4 TERMINAL 6 TERMINAL 5 21 TERMINAL 3 14 TERMINAL 1 TERMINAL 3 10 VIEW J 15 15 14 18 19 12 12 17 10 8 2 4 5 6 3 7 11 9 10 8 1 ...

Page 24: ...STS USASecondary Surge Suppressors USSP Copyright SM 6145 Rev 23 March 2019 5 4 ...

Page 25: ...HNICAL SUPPORT The Rapid Action Information Link Team RAIL Team is a group of experienced product and application engineers ready to assist you to resolve any technical issues concerning this product Contact the RAIL Team in the United States at 1 800 652 7276 or by e mail at railteam hitachirail com ...

Page 26: ...STS USASecondary Surge Suppressors USSP Copyright SM 6145 Rev 23 March 2019 6 2 End of Manual ...

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