High Voltage Fuses Low Current High Voltage 50A Fuse The LC HEV fuse is designed for protection of high-voltage accessory circuits in electric and hybrid electric vehicles. Specifications Voltage Rating (50A): Interrupting Rating (50A): Operating Temperature Range: 275 VAC 10,000A @ 275 VAC -40C to +125C Ordering Information Low Current High Voltage 50A Fuses Part Number Time-Current Characteristics Termination Package Size % of Rating Opening Time Min / Max (s) 0HEVxxx.ZXC2 Cartridge 240 100 100 hrs / - 0HEVxxx.ZXISO2 Bolt Down (ISO) 240 110 4 hrs / - 0HEVxxx.ZXP2Y Blade 240 135 - 0HEVxxx.ZXPCB2 PCB Mount 240 150 - 0HEVxxx.ZXPCBL2 PCB Mount (Long) 240 200 0.5 / 100 0HEVxxx.ZXBD2 Bolt Down (Axial) 240 300 0.1 / 15 500 0.05 / 1 Ratings Part Number Current Rating (A) Voltage Rating (VAC) 0HEV050.XXX 50 275 Color Code Typical Voltage Drop at 70% IR (mV) 57 Maximum Voltage Typical Cold Drop Spec at 100% IR Resistance (mV) (m) 200 1.2 Minimum Melting It (A2s) 1495 Temperature Rerating Curve Time-Current Characteristic Curves 50A 275 VAC LC HEV FUSE 1000 100 TIME IN SECONDS 10 1 0.1 0.01 1 Littelfuse, Inc. 10 40 50 100 CURRENT IN AMPERES 1000 May 2012 Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. 46 littelfuse.com High Voltage Fuses Low Current High Voltage 50A Fuse Dimensions Dimensions in mm ZXC2 Cartridge ZXPCB2 PCB Mount ZXISO2 Bolt Down (ISO) ZXP2Y Blade ZXPCBL2 PCB Mount (Long) ZXBD2 Bolt Down (Axial) Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. 47 littelfuse.com