The National Fire Protection Association (NFPA) and historic Reclamation practices are the basis of this volume. Step 1 - To test for intermitted relay failures which are common, remove the relay in question, take a small wire strand, about two inches long and insert it into the relay connector terminal 87 or 30. The SEL-751 Feeder Protection Relay is ideal for directional overcurrent, fault location, arc-flash detection, and high-impedance fault detection applications. If switched 12V is present at the empty large 5. The most expensive part of testing and replacing relays in your vehicle is the relay itself. 1 DTD 17/06/2008 Pagina 1 di 4 UNCONTROLLED COPY Instruction booklet for the use of Buchholz relays testing device. Hardware Features of Relay Test Kit K68i: All-in-one design relay tester with 6.4 inches LCD display. 1) 1. motor relay terminal while activating any Keep 8' clear of the blade when it is being control function except LOWER. Relay Test Procedures 109 Chapter 5: Test Sheets and Documentation 135 1. Depending on what it’s controlling a relay can cost anywhere from $5 to several hundred dollars. Relay Testing Equipment 98 3. 3. Directional Overcurrent and Directional Power Relays - K68i is a powerful & robust relay test kit for semiautomatic and manual testing of relays . Syncrotact 5 - Syncrocheck Relay. Nameplate Data 137 4. If your multimeter only has 1 ohm setting, then turn the dial so the arrow points at that setting. To check that all tripping features are functioning properly a test current simulates an overload or short circuit condition. Siemens 7SJ61 - Over Current & Earth Fault. A) IBC: GEH-1766A: IBC31-IBC35 & IBC38-IBC42 Directional Overcurrent Relays: IBC: ... XTM28L1/28R1 Test Plugs for MOD-10 Type Relays: XTM: GEK-100563: Showing page 1 of 1 . Refer to Paragraph 2-1.5 for additional information. Relay Testing Methods 101 4. [6] Argus 7 - Synchro-Check. Step 2 - Next, reinstall the relay while keeping the wire strand inserted and clear of any other terminals or metal (ground). MiCOM P122 - Over Current & Earth Fault. Reasons for Relay Testing 95 2. MiCOM P143 - Synchro-Check Relay. If the multimeter has multiple ranges within the ohm setting, choose the lowest range possible to get the most accurate reading. REXA103 - Auto Re-Closure. MiCOM P123 - Over Current & Earth Fault. Your Company Name and Logo 136 2. and testing protective relays and protection circuits. Page 64: Motor And Motor Relay Test TROUBLESHOOTING MOTOR AND MOTOR RELAY TEST 6. Look for the setting on your multimeter that has the ohm symbol (Ω) to use for testing your relay. Microprocessor Based Relays 87 Chapter 4: Relay Testing Fundamentals 95 1. To view manuals for active products, click here. circuitry, all Digitrip 3000 Protective Relays include field testing capabilities that are accessible from the front. 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