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PR-O-TECT Surge Protection Help To Protect Sensitive Electronics Equipment From Dangerous Voltage Transients And Spikes. Typical applications include: • Adjustable Speed Drives • SCR Controllers • Rectifier Circuits • Machine Tool Controls • Elevator Drive Systems • Printing Presses • Woodworking Equipment • Traffic Controls • UPS Systems • Industrial Controls For enhanced surge/spike suppression, PR-O-TECT surge protection modules can be factory installed and wired onto a Three Phase Reactor. In this installation the reactor and surge protection module work together for maximum attenuation of spikes. The reactor helps to extend the module life by attenuating the most severe parts of the spike. Surge Protection Devices (Three Phase) 50/60Hz, 600 Volts Max. Installation of surge protection modules is simple– the green wire is connected to your system ground terminal. The other wires connect to each of your three phase conductors. PR-O-TECT Three Phase Surge Protection Modules offer protection of diodes, transistors, thyristors, SCR’s, etc. from dangerous voltage transients. They can reduce overall system operating costs by reducing equipment down time and maintenance costs, while improving system efficiency and reliability. Surge protectors will reduce the effect of lightning and even reduce radio frequency interference. Use PR-O-TECT Surge Protection Devices to protect adjustable speed drives, process control equipment, servo drives, uninterruptible power supplies and other sensitive electronic equipment. Application Engineering Assistance: 1-800-455-4MTE, or 262-253-8200 www.mtecorp.com e-mail: [email protected] SURGE PROTECTION • Packaging Equipment Selection & Specification Tables 208 Volts 240 Volts 380 Volts 480 Volts 600 Volts M-1778 M-1777 M-1781 M-1776 M-1775 250 275 420 550 680 Average Power Dissipation 1 watt 1 watt 1 watt 1 watt 1 watt Transient Energy (Joules) 130 j 140 j 160 j 210 j 250 j Peak Current 8/20 us (amps) 6500 6500 6500 6500 6500 Varistor Voltage @ 1MADC ±10% 390 430 680 910 1100 Max. Clamping Voltage 650 710 1120 1500 1815 Max. Clamping Current 100 100 100 100 100 700pf 630pf 420pf 320pf 250pf <15nsec <15nsec <15nsec <15nsec <15nsec Number of Internal Mov’s 3 3 3 3 3 Number of Leads 4 4 4 4 4 Part Number Rated AC Voltage Capacitance @ 1KHz Response Time Operating Temperature from -40°C to +85°C Wire Size All leads are 14 AWG DIMENSIONS: A B C Delta Power System A B C N Wye Power System USA Headquarters W147 N9525 Held Drive Menomonee Falls, WI 53051 USA Telephone: 262-253-8200 Fax: 262-253-8222 e-mail: [email protected] www.mtecorp.com Form #1142E May 2003