Automotive Relays ( ) RELAYS DC Contactors EV-A High voltage & High Capacity Relays realized 500 V DC cut off FEATURES < Protective construction > Capsule contact One of the smallest and lightest weight in 250 A class Realized 8,000 A short circuit tolerance High cut-off capacity 1,800 A at 500 V DC without 42.542.5 56.556.5 contact polarity 63.063.0 APPLICATIONS ( ) Electric Vehicles PHEV, BEV, and FCV Quick charge application High voltage DC applications such as hybrid construction equipment ( Unit: mm ) ( ) ORDERING INFORMATION PART NO. AEVA Coil terminal structure Contact rating Rated coil voltage 1:1a Vertical 25 250A 1 12V DC TYPES Packing Contact rating Contact arrangement Rated coil voltage Part No Carton. 250 A 1 Form A 12 V DC AEVA1251 20 pcs (packed with 20 pcs / 1 tray) RATING Coil data Operate (Set) voltage Release (Reset) voltage Rated operating current Coil resistance Rated operating power Usable voltage Rated coil voltage 1 ( ) ( ) ( ) ( ) ( ) ( ) ( ) at 20C Initial at 20C Initial 10%, at 20C 10%, at 20C at 20C range* 12 V DC Max. 9.0 V DC Min. 0.5 V DC 0.5 A 24 6.0 W 10 V DC to 16 V DC *1 Max. continuous applied voltage to the coil is the maximum value in the allowable voltage range. Panasonic Corporation 2021 industrial.panasonic.com/ac/e/ ASCTB418E 202108 2021.08 1 Automotive Relays EV-A RELAYS (DC Contactors) Specifications Item Specifications Contact arrangement 1 Form A Contact material Copper alloy Rated switching capacity 2 250 A 500 V DC (Carry, 50mm wire) ( ) resistive 2 Contact data Max. carrying current 250 A continuous (50 mm wire) Min. switching load 1 A 12 V DC (at 20C) *1 (resistive) ( ) ( ) Contact voltage drop initial Max. 0.125 V 250 A carry current ( ) Short circuit capacity 8,000 A at Max. 5 ms , No smoke and no ignition ( ) Insulation resistance (initial) Min 100 M at 1,000 V DC, Measurement portion is the same as the case of dielectric strength. ( ) Between open contacts 2,500 Vrms for 1 min. Detection current :10 mA Dielectric strength (initial) ( ) Between contact and coil 2,500 Vrms for 1 min. Detection current :10 mA ( ) ( ) Operate Set time Max. 50 ms at rated coil voltage at 20C, without bounce Time characteristics ( ) initial ( ) ( ) Release Reset time Max. 30 ms at rated coil voltage at 20C, with no coil protective elements ( ) For ON: Min. 588 m/s half-sine shock pulse: 11 ms, detection time :10 s Functional Shock ( ) For OFF: Min. 147 m/s half-sine shock pulse: 11 ms detection time :10 s resistance ( ) Destructive Min. 588 m/s Half-sine shock pulse :11 ms ( ) Functional 10 to 200 Hz, 44.1 m/s detection time :10 s Vibration resistance ( ) Destructive 10 to 200 Hz, 44.1 m/s Time of vibration for each direction X, Y, Z direction :4 hours 5 Mechanical life Min. 210 *2 *3 Switch off life 1,800 A 500 V DC, Min. 1 operation (No polarity) Expected life Inrush resistance current 140 A 20 V DC, Min. 70,000 operations (capacitor) Conditions for usage, Ambient temperature: 40 to +85C Conditions *4 ) transport and storage Humidity: 5 to 85% R.H (Avoid icing or condensation Unit Weight Approx. 400 g *1. This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load. *2. Coil applied voltage is 12 V DC and a varistor is connected in parallel. If a protective element is connected, please refer to Other cautions for use 3. *3. at L/R 1 ms *4. The upper operation ambient temperature limit is the maximum temperature that can satisfy the coil temperature rise value. For details, please refer to theAutomotive Relay Users Guid. REFERENCE DATA ( ) 1. Ambient temperature characteristics 2. Max. switching capacity 3. Switching life curve Forward direction 12511251 66 1251 SampSamplele AEVAEVAA , , pc pcs.s. Sample AEVA Sample AEVA1251 50 100,000 1,000 40 500500VV DC DC r reessiisstitivve loe loadad ReRelleaseasee 30 vvooltltageage 10,000 20 100 500500VV DC DC r reessiisstitivve loe loadad 10 1,000 OperOperatatee -40 -20 0 vvooltltageage 40 60 80 -10 100 AmAmbbientient ttemperemperatatuurre, e, CC 10 -20 10 -30 -40 -50 1 1 1 10 100 1,000 1 10 100 1000 Contact current, A Contact voltage, V Panasonic Corporation Electromechanical Control Business Division Panasonic Corporation 2021 ASCTB418E 202108 2 industrial.panasonic.com/ac/e/ VVariariation ation rratioatio, %, % Contact current, A Life, cycle