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| LF 20A Power Relay For Home appliances VDE LF-RELAYS 4. Conforms to the various safety standards: UL/CSA, TUV, VDE approved FEATURES 30.1 1.185 15.7 .618 30.1 1.185 23.3 .917 TMP type 1. Ideal for compressor and inverter loads 1) Compressor load: 20A 250V AC 23.3 .917 2) Inverter load: 20A 100V AC, 10A 200V AC 2. High insulation resistance * Creepage distance and clearances between contact and coil; Creepage Min. 9.5mm .374inch/ClearPCB type ance Min. 8mm .315inch mm inch * Surge withstand voltage: Min. 10,000V 3. "PCB" and "TMP" types available 15.7 .618 SPECIFICATIONS Contact Arrangement Initial contact resistance, max. (By voltage drop 6 V DC 1 A) Contact material Nominal switching capacity Max. switching power Rating (resistive load) Max. switching voltage Max. switching current Mechanical (at 180 cpm) Expected life Electrical (min. operations) (at 20 cpm) (Resistive load) 1 Form A 100 m Silver alloy 20 A 250V AC 6,250 V A 250V AC 25 A 2 x 106 105 Characteristics Max. operating speed (at rated load) Initial insulation resistance*1 Between open Initial breakdown contacts voltage*2 Between contacts and coil Surge voltage between contact and coil*3 Operate time*4 (at nominal voltage) Release time (without diode)*4 (at nominal voltage) Temperature rise (at nominal voltage) Shock resistance 900 mW Vibration resistance Functional*5 Destructive*6 Functional*7 Destructive 20 cpm Min. 1,000 M (at 500 V DC) 1,000 Vrms for 1 min. 5,000 Vrms for 1 min. Min. 10,000 V Approx. 15ms Approx. 15ms Max. 45C (resistance method, contact current 20 A, rated coil voltage, 60C 140F) Min. 100 m/s2{10 G} Min. 1,000 m/s2{100 G} 10 to 55Hz at double amplitude of 1.5mm 10 to 55Hz at double amplitude of 1.5mm -40C to +60C -40F to +140F 5 to 85% R.H. Approx. 23 g .81 oz Coil Nominal operating power Remarks * *1 *2 *3 *4 *5 *6 *7 *8 Specifications will vary with foreign standards certification ratings. Measurement at same location as "Initial breakdown voltage" section. Detection current: 10mA Wave is standard shock voltage of 1.2 x 50s according to JEC-212-1981 Excluding contact bounce time. Half-wave pulse of sine wave: 11 ms; detection time: 10 s Half-wave pulse of sine wave: 6 ms Detection time: 10 s Refer to 5. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT (Page 24). Conditions for Ambient temp. operation, trans8 port and storage* (Not freezing and Humidity condensing at low temperature) Unit weight TYPICAL APPLICATIONS * Air conditioner * Refrigerators * OA equipment ORDERING INFORMATION Ex. Product Name LF A LF 1 T 12 Coil voltage, V DC 05: 5 06: 6 09: 9 12: 12 18: 18 24: 24 Contact arrangement 1: 1 Form A Terminal shape T: TMP type P: PCB type Note: Standard packing; Carton: 50 pcs. Case 200 pcs. UL/CSA,VDE, TUV approved type is standard. 40 LF TYPES Contact arrangement Coil voltage, V DC 5 6 9 12 18 24 TMP type ALF1T05 ALF1T06 ALF1T09 ALF1T12 ALF1T18 ALF1T24 PCB type ALF1P05 ALF1P06 ALF1P09 ALF1P12 ALF1P18 ALF1P24 1 Form A COIL DATA Nominal voltage, V DC 5 6 9 12 18 24 Pick-up voltage, V DC (max.) 3.5 4.2 6.3 8.4 12.6 16.8 Drop-out voltage, V DC (min.) 0.5 0.6 0.9 1.2 1.8 2.4 Coil resistance, (10%) 27.8 40 90 160 360 640 Nominal operating current, mA (10%) 180 150 100 75 50 37.5 Nominal operating power, W Maximum allowable voltage, V DC 5.5 6.6 9.9 13.2 19.8 26.4 0.9 DIMENSIONS 1. TMP type 11.25 .443 12.8 .504 #250 terminal 6.4 .252 2.0 .079 27.6 0.1 1.087 .004 13.8 0.1 .543 .004 mm inch PC board pattern (Bottom view) a. di . 8 ia 1. d 4- 071 . 412.0 0.1 .472 .004 23.3 .917 0.5 .020 4.0 .157 12.0 0.1 .472 .004 10.0 0.1 .394 .004 22.0 .866 27.6 1.087 12.0 .472 Tolerance : 0.1 .004 Schematic (Bottom view) FASTON 250 30.1 1.185 3 NO COM 4 15.7 .618 1 2 Dimension : Tolerance NO COM PC board side Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 2. PCB type PC board pattern (Bottom view) 27.6 0.1 1.087 .004 13.8 0.1 .543 .004 23.3 .917 0.5 .020 4.0 .157 a. di . 8 ia 1. d 4- 071 . 412.0 0.1 .472 .004 22.0 .866 27.6 1.087 30.1 1.185 3 NO COM 4 15.7 .618 1 2 12.0 .472 12.0 0.1 .472 .004 10.0 0.1 .394 .004 Dimension : Tolerance Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 Tolerance : 0.1 .004 Schematic (Bottom view) NO COM 41 LF REFERENCE DATA 1. Coil temperature rise Sample: ALF1T12, 6 pcs. Point measured: coil inside Contact current: 20A Ambient temperature: 25C 77F, 60C 140F 70 158 60 140 50 122 40 104 30 86 20 68 10 50 0 32 200V AC 1.9 LF relay contact 2-(1). 200V AC electrical life test (200V AC, inverter load) Sample: ALF1T12, 6 pcs. Load: Inrush 102A (wave peak value), Steady 14.4A (wave peak value) Inverter dummy 200V AC Switching frequency: ON 1s, OFF 5s Circuit: Pick-up and drop-out voltage, V 12 Contact welding: 0 times Miscontact: 0 times 25C 77F 60C 140F Temperature rise, C F 10 Pick-up voltage 8 Max. x Min. 6 Drop-out voltage 2,000F 4 Max. x Min. Switch 2 80 100 Coil applied voltage, %V 120 0 0 3 No. of operations, x104 6 2-(2). 100V AC electrical life test (100V AC, inverter load) Sample: ALF1T12, 6 pcs. Load: Inrush 224A (wave peak value), Steady 30.5A (wave peak value) Inverter dummy 100V AC Switching frequency: ON 1s, OFF 5s Circuit: LF relay contact 470F 100V AC 470F 2,000F 12 Pick-up and drop-out voltage, V Contact welding: 0 times Miscontact: 0 times 10 Pick-up voltage 8 Max. x 6 Drop-out voltage Min. Max. x Min. 4 2 0 0 3 No. of operations, x104 6 2-(3). Inrush 70.7A, Steady 20A, 250V AC electrical life test (Compressor dummy load) Sample: ALF1T12, 3 pcs. Load: Inrush 70.7A, cos = 0.7 Steady 20A, cos 0.9 250V AC compressor dummy Switching frequency: ON 1.5s, OFF 1.5s Circuit: COM NO Mg (-) 12V DC SW1 (+) G 0 0 5 No. of operations, x104 10 12 Pick-up and drop-out voltage, V 2-(4). Electrical life test (20A 250V AC, resistive load) Sample: ALF1T12, 6 pcs. Switching frequency: ON 1.5s, OFF 1.5s 12 Pick-up and drop-out voltage, V Contact welding: 0 times Miscontact: 0 times Contact welding: 0 times Miscontact: 0 times 10 10 Pick-up voltage 8 Pick-up voltage 8 Max. x Min. Drop-out voltage Detection Circuit Contact Weld Min. 0.5s Miss Contact after 0.2s 6 250V AC 60Hz Max. x Min. Max. x Min. 6 4 Drop-out voltage 4 Max. x Min. 2 2 0 0 10 No. of operations, x104 20 For Cautions for Use, see Relay Technical Information (Page 11 to 39). 42 |
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