Sensors ZCT Series Zero-Phase Current Transformers Overview Applications The ZCT Series are compact molded-type, zero-phase current transformers ideal for improving the sensitivity, compactness and lightweight of electric shock prevention. Typical applications include electric shock prevention from earth leakage breakers, short-circuit relays and ground fault circuit interrupters. Benefits • High sensitivity • Compact and lightweight • Laminated iron core Ordering Information MR- 1 Series Shape Classification MR 1 2 3 4 1-P5 © KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com One world. One KEMET SE0205_ZCT • 9/18/2015 1 Sensors – ZCT Series Zero-Phase Current Transformers Dimensions in mm MR-1-P5 H (4.1) Spare solder 5.0 ± 0.3* 10.5 ± 0.3 MR-1, 2, 3, 4 D2 D1 D4 D3 D1 Pin <5> D3 H D2 L Product Name D1 (Minimum) D2 (Maximum) D3 (Maximum) D4 H (Maximum) L (±3.0) MR-1 7.2 19.3 22.4 (5.0) 8.3 45.0 MR-2 8.9 21.8 24.7 (5.0) 8.3 80.0 MR-3 11.0 28.0 30.5 (6.0) 10.5 67.0 MR-4 16.5 32.0 34.5 (7.0) 10.8 67.0 MR-1-P5 7.4 19.3 21.8 (8.0) 8.5 ― Pin: φ0.8 mm Pin connectors. * Pin root diameter. Environmental Compliance All ZCT sensors are RoHS compliant. Table 1 – Ratings & Part Number Reference Part Number Minimum Output Voltage (mV) Temperature Characteristics (-20ºC to 80ºC) Maximum Overinput Characteristics (After DC5A Input) 8 ±10% 10% Measurement Conditions f = 60 Hz R = 300 Ω lo = 22.5 mA MR-1 MR-2 MR-3 MR-4 MR-1-P5 R = Load resistance lo = Detection current © KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com SE0205_ZCT • 9/18/2015 2 Sensors – ZCT Series Zero-Phase Current Transformers Precautions Before Using Zero-Phase Current Transformers • Do NOT drop or apply mechanical stress as it may change the performance characteristics. • Do NOT use the current transformers opened between secondary output terminals. Heat build-up in the magnetic core may occur, resulting in damages to the parts by melting of the coil. • If the ZCT Series will be used as a current transformer, please contact KEMET for more information. © KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com SE0205_ZCT • 9/18/2015 3 Sensors – ZCT Series Zero-Phase Current Transformers KEMET Corporation World Headquarters Europe Asia Southern Europe Sasso Marconi, Italy Tel: 39-051-939111 Northeast Asia Hong Kong Tel: 852-2305-1168 Mailing Address: P.O. Box 5928 Greenville, SC 29606 Skopje, Macedonia Tel: 389-2-55-14-623 Shenzhen, China Tel: 86-755-2518-1306 www.kemet.com Tel: 864-963-6300 Fax: 864-963-6521 Central Europe Landsberg, Germany Tel: 49-8191-3350800 Corporate Offices Fort Lauderdale, FL Tel: 954-766-2800 Kamen, Germany Tel: 49-2307-438110 North America Northern Europe Wyboston, United Kingdom Tel: 44-1480-273082 Taipei, Taiwan Tel: 886-2-27528585 Espoo, Finland Tel: 358-9-5406-5000 Southeast Asia Singapore Tel: 65-6701-8033 2835 KEMET Way Simpsonville, SC 29681 Northeast Wilmington, MA Tel: 978-658-1663 Southeast Lake Mary, FL Tel: 407-855-8886 Central Novi, MI Tel: 248-994-1030 Beijing, China Tel: 86-10-5877-1075 Shanghai, China Tel: 86-21-6447-0707 Seoul, South Korea Tel: 82-2-6294-0550 Penang, Malaysia Tel: 60-4-6430200 Bangalore, India Tel: 91-806-53-76817 Irving, TX Tel: 972-915-6041 West Milpitas, CA Tel: 408-433-9950 Mexico Guadalajara, Jalisco Tel: 52-33-3123-2141 Note: KEMET reserves the right to modify minor details of internal and external construction at any time in the interest of product improvement. KEMET does not assume any responsibility for infringement that might result from the use of KEMET Capacitors in potential circuit designs. KEMET is a registered trademark of KEMET Electronics Corporation. © KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com SE0205_ZCT • 9/18/2015 4 Sensors – ZCT Series Zero-Phase Current Transformers Disclaimer This product has been made available through a Private Label Agreement and a Development and Cross-Licensing Agreement between KEMET and NEC TOKIN to expand market and product offerings for both companies and their respective customers. For more information, please visit http://www.kemet.com/nectokin. All product specifications, statements, information and data (collectively, the “Information”) in this datasheet are subject to change. The customer is responsible for checking and verifying the extent to which the Information contained in this publication is applicable to an order at the time the order is placed. All Information given herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied. Statements of suitability for certain applications are based on KEMET Electronics Corporation’s (“KEMET”) knowledge of typical operating conditions for such applications, but are not intended to constitute – and KEMET specifically disclaims – any warranty concerning suitability for a specific customer application or use. The Information is intended for use only by customers who have the requisite experience and capability to determine the correct products for their application. Any technical advice inferred from this Information or otherwise provided by KEMET with reference to the use of KEMET’s products is given gratis, and KEMET assumes no obligation or liability for the advice given or results obtained. Although KEMET designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component failures may still occur. Accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards (such as installation of protective circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury or property damage. Although all product–related warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicted or that other measures may not be required. © KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com SE0205_ZCT • 9/18/2015 5