Bussmann® Fuse Specifications EVF-250 500 VDC/VAC Catalog Symbol: EVF (FUSE) Voltage Rating: 500 VDC/VAC Current Rating: 250 Amps Short Circuit Rating: 5 kA @ 500 VDC - 2.5 ms TC 600 Amps or less @ 385 VDC - 2.5 ms TC Rated Cable: 32 mm2 (#2 AWG) After-Blow Resistance: 1 MW minimum resistance between the terminals (<385 V) % of Rated Current 100% 135% 200% 350% 500% Blow Times Minimum Maximum 100 hr. 500 sec. 3600 sec. 50 sec. 300 sec. 2.0 sec. 10.0 sec. 0.1 sec. 1.0 sec. Maximum Voltage Drop: 250 mV @ 250 A Transient Current Cycling: 75,000 cycles of 305A for 15 seconds followed by 280A for 45 seconds followed by zero A for 3 minutes forced air cooling. Life Cycle: 150,000 cycles of 120% rated current for 10 sec- onds, followed by zero A for 20 seconds (test results pending). Drop: 1 meter on to concrete in 3 axes. Endbell Pull: 3,000 Newtons minimum. Endbell Torque: 30 NM minimum. Vibration: 1.5 mm displacement frequency from 10Hz to 55 Hz to 10 Hz in one minute. 2 hours in each of three mutually perpendicular axes. Alternatively, test per SAE J1211. (test results pending). Accelerated Aging: 60 cycles of the following (test results pending). 16 hr. at 50% ±5% relative humidity @85°C ±2°C, 75% rated current and vibration (10-200 Hz in 20 min.). 2 hr. at -30 °C ±2°C. 2 hr. at 85 °C ±2°C. 4 hr. at room ambient. Thermal Shock: 48 cycles under following conditions: 30 min. @ -30°C ±2°C. 30 min. @ 85°C ±2°C. Salt Fog: 16 hour exposure per ASTM B117. Battery Electrolyte Resistance: Tested per SAE J1888 with: Sulfuric acid (specific gravity of 1.31 - 1.33 Potassium hydroxide (molarity of 6) EVF 250 FUSE METRIC (mm) INCHES 4-5-00 A99134 Rev. A Form No. EVF Page 1 of 4 BIF Doc # 9001 Bussmann® Fuse Specifications EVF-250 500 VDC/VAC Peak Current in Amperes 4-5-00 A99134 Rev. A Form No. EVF Page 2 of 4 BIF Doc # 9001 Bussmann® Fuse Specifications EVF-250 500 VDC/VAC I 2T (Amperes2 Seconds) 4-5-00 A99134 Rev. A Form No. EVF Page 3 of 4 BIF Doc # 9001 Bussmann® Fuse Specifications EVF-250 500 VDC/VAC Time-Current Characteristic Curve Minimum Melting 4-5-00 A99134 Rev. A The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Form No. EVF Page 4 of 4 BIF Doc # 9001