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 -40˚C to +125˚C Ordering Information Time-Current Characteristics Part Number Termination Package Size 0HEVxxx.ZXISO2 Bolt Down (ISO) 240 100 100 hrs / - 0HEVxxx.ZXP2Y Blade 240 110 4 hrs / - 0HEVxxx.ZXPCB2 PCB Mount 240 135 - 0HEVxxx.ZXPCBL2 PCB Mount (Long) 240 150 - 0HEVxxx.ZXBD2 Bolt Down (Axial) 240 200 0.5 / 100 300 0.1 / 15 500 0.05 / 1 Low Current High Voltage 50A Fuses % of Rating Opening Time Min / Max (s) 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) (mΩ) 200 1.2 Minimum Melting I²t (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 designed for specific applications and should not be used for any purpose (including, without limitation, automotive applications) not 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 product 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 product documentation. littelfuse.com High Voltage Fuses Low Current High Voltage 50A Fuse Dimensions Dimensions in mm ZXISO2 Bolt Down (ISO) ZXPCB2 PCB Mount ZXP2Y Blade ZXPCBL PCB Mount (Long) ZXBD2 Bolt Down (Axial) Littelfuse products are designed for specific applications and should not be used for any purpose (including, without limitation, automotive applications) not 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 product 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 product documentation. littelfuse.com