Transcript
Ansaldo STS USA
Wayside Products
RSE-3H3 Rev. 5-15
USSP Secondary Surge Suppressors ASTS USA Secondary Surge Suppressors (USSP) help protect many types of solid-state equipment by limiting electrical surges to this equipment. This is accomplished with solid state suppression and inductance coil circuits and various configurations of primary arresters. Different USSP units cover track circuit, power line and battery line applications, and all are very easy to install. General Description The basic USSP unit (not including external primary arresters) is designed to limit low energy transients and surges that are of insufficient amplitude to breakover the primary arresters, but can still damage sensitive electronic equipment. A series inductor in each leg of a USSP unit is common to all of these units. The inductors provide isolation impedance between the primary and secondary suppressors. Various clamping devices are used in conjunction with the inductors to limit the different line-to-line voltages. These include Zener diodes, varistors and unipolar to bipolar Transzorbs. Each USSP unit is housed in a high-dielectric plastic case with mounting tabs at each end. Circuit-protective components, internal wiring and standard AREMA terminals are fastened to the unit’s cover; this allows fast disassembly for inspection purposes. The top of cover is clearly marked with vital unit operating specifications and terminal nomenclature. Selected models of the USSP are equipped with the ASTS USA USG-A Lightning Arrester (see RSE-3H2), which provide primary voltage surge protection. USSP unit N451552-0534 is designed for use in non-electrified track circuits and track circuits on dc-electrified territories.
To order, call 1-800-652-7276
Advantages
• • •
Helps protect sensitive electronic equipment from power surges Wide range of battery, track and ac line options Versions available for non-electrified, dc-electrified track circuits
Specifications and Ordering Information
• • • •
Refer to ordering tabulation on reverse side for USSP part numbers and specifications. Please indicate required operating specifications along with order number. Refer to RSE-3H2 to order additional USG-A lightning arresters for USSP units. Request ASTS USA Service Manual SM-6145 for USSP replacement parts and additional application data.
www.ansaldo-sts.com RSE-3H3, p. 1
Ansaldo STS USA
USSP Secondary Surge Suppressors
RSE-3H3 Rev. 5-15 Specifications and Ordering Information (cont’d)
USSP Units Order No. N451552-0501 N451552-0502 N451552-0503 N451552-0504 N451552-0506 N451552-0507 N451552-0508 N451552-0514 N451552-0515 N451552-0516 N451552-0519 N451552-0527 N451552-0528 N451552-0532 N451552-0535
Max. Max. Max. Coil Circuit Circuit Circuit Induct Capac. Capac. Secondary Model/Type Vdc Vac Amps (mH) mFd Volts Suppress. 11/Batt. 18 -3 150 100 25 18.8 Vdc 11/Batt. 18 -7 22 100 25 18.8 Vdc 11/Batt. 18 -15 16 100 25 18.8 Vdc 11/Batt. 18 -25 5 100 25 18.8 Vdc 10/Batt. 18 -7 22 100 25 18.8 Vdc 10/Batt. 18 -15 16 100 25 18.8 Vdc 10/Batt. 18 -25 5 100 25 18.8 Vdc 11/Batt. 32 -7 22 100 25 33.3 Vdc 11/Batt. 32 -15 16 100 55 33.3 Vdc 11/Batt. 32 -25 5 100 55 33.3 Vdc 10/Batt. 32 -3 150 100 25 33.3 Vdc 20/Track 7 17 50 5 (None) -31.6 Vdc 30/AC -120 20 8 (None) -140 Vac 21/Track 63 -50 5 (None) -63.2 Vdc 20/Track 44 -50 4 (None) -44.0 Vdc Note (1): With one L.V. arrester mounted line-to-line and two H.V. arresters line-to-ground. Note (2): With one L.V. arrester mounted line-to-line. Note (3): Without mounted arrester. Note (4): With one AC Line arrester mounted line-to-line.
USSP-10 Schematic
USSP-20 Schematic
USSP-11 Schematic
USSP-30 Schematic
RSE-3H3, p. 2
USSP-31 Schematic
Notes (1) (1) (1) (1) (2) (2) (2) (1) (1) (1) (2) (2) (4) (1) (3)
