la 275 la relays 2 form a slim power relay mm inch 25.0 .984 24.0 .945 12.0 .472 features 1. 2 form a slim type 24(l) 12(w) 25(h) mm .945(l) .472(w) .984(h) inch 2. 3a type and 5a tv type 3a type: contact reliability and break per- formance best suited for protecting and switching speakers. 5a tv type: tough against inrush current and optimal for turning on and off the pow- er supply. rated tv-4 (ul/csa). 3. high insulation resistance ? creepage distance and clearances be- tween contact and coil: min. 6 mm .236 inch (in compliance with iec65) ? surge withstand voltage between con- tact and coil: 10,000 v or more. 4. high noise immunity realized by the card separation structure between contact and coil 5. conforms to the various safety stan- dards ? ul/csa, vde, tv, semko, sev ap- proved specifications contact coil remarks * speci?cations will vary with foreign standards certi?cation ratings. * 1 measurement at same location as "initial breakdown voltage" section. * 2 detection current: 10ma * 3 wave is standard shock voltage of 1.2 50ms according to jec-212-1981 * 4 excluding contact bounce time. * 5 half-wave pulse of sine wave: 11 ms; detection time: 10 m s * 6 half-wave pulse of sine wave: 6 ms * 7 detection time: 10 m s * 8 refer to 5. conditions for operation, transport and storage mentioned in ambient environment (page 61). characteristics type 3a rated 5a tv rated arrangement 2 form a initial contact resistance, max. (by voltage drop 6 v dc 1 a) max. 50 m w max. 100 m w contact material gold-clad silver alloy silver alloy rating (resistive load) nominal switching capacity 3 a 125 v ac 5 a 277 v ac max. switching power 625 va 1,385 v a max. switching voltage 125 v ac 277 v ac max. switching current 5 a (ac) expected life (min. operations) mechanical (at 180 cpm) 10 6 electrical (at 20 cpm) (at rated load) 5 10 4 (on: off=1.5s: 1.5s) nominal operating power 530 mw type 3a rated 5a tv rated max. operating speed 20 cpm initial insulation resistance* 1 min. 1,000 m w (at 500 v dc) initial * 2 breakdown voltage between contact sets 1,000 vrms for 1 min. between open contacts 1,000 vrms for 1 min. between contact and coil 4,000 vrms for 1 min. surge voltage between contact and coil* 3 min. 10,000 v operate time* 4 (at nominal voltage) max. 15ms (at 20 c 68 f ) release time (with diode)* 4 (at nominal voltage) max. 15ms (at 20 c 68 f ) temperature rise (at 70 c) max. 45 c with nominal coil voltage and at 3 a contact car- rying current max. 45 c with nominal coil voltage and at 5 a contact car- rying current shock resistance functional* 5 min. 200 m/s 2 {approx. 20 g} destructive* 6 min. 1,000 m/s 2 {approx. 100 g} vibration resistance functional* 7 10 to 55hz at double amplitude of 1.5mm destructive 10 to 55hz at double amplitude of 1.5mm conditions for operation, transport and storage* 8 (not freezing and con- densing at low tempera- ture) ambient temp. C40 c to +70 c C40 f to +158 f humidity 5 to 85% r.h. air pressure 86 to 106 kpa unit weight approx. 13 g .46 oz ordering information contact arrangement contact capacity protective construction coil voltage(v dc) 2: 2 form a nil: 3a p: 5a tv-4 f: flux-resistant type 12, 24 2 product name la ex. la af12 p ul/csa, vde, t?v, semko, tv-4 approved type is standard. notes: 1. standard packing carton: 100 pcs. case: 500 pcs. 2. 4.5v, 5v, 9v and 18v dc types are also available. please consult us for details. vde
la 276 types and coil data (at 20 c 68 f ) part no. nominal voltage, v dc pick-up voltage, v dc (max.) drop-out voltage, v dc (min.) coil resistance, w ( 10%) nominal operating current, ma ( 10%) nominal operating power, mw maximum allowable voltage, v dc 3 a type 5a tv type ALA2F12 ala2pf12 12 (initial) 9 (initial) 0.6 272 44.2 530 15.6 ala2f24 ala2pf24 24 (initial) 18 (initial) 1.2 1,087 22.1 530 31.2 dimensions mm inch 0.3 .012 0.4 .016 4 .157 0.5 .020 1.65 .065 max. 24 .945 max. 25.0 .984 max. 12 .472 0.5 .020 15.0 .591 5.0 .197 1.0 .039 1.0 .039 7.5 .295 dimension: gener al toler ance max. 1mm .039 inch : 0.1 .004 1 to 3mm .039 to .118 inch : 0.2 .008 min. 3mm .118 inch : 0.3 .012 pc board pattern (bottom view) tolerance : 0.1 .004 schematic (bottom view) 4-1.3 dia 4-.051 dia 2-0.9 dia 2-.035 dia 15.0 .591 7.5 .295 5.0 .197 reference data 1. max. switching power (ac resistive load) 2-(1). life curve (250 v ac resistive load) 2-(2). life curve (125 v ac resistive loa d) 10 3 5 0 300 100 contact voltage, v contact current, a ala2pf12 ALA2F12 100 10 1 1 0 2345 250v ac resistive load contact current, a life, 10 4 100 10 1 1 023 125v ac resistive load contact current, a life, 10 4 3-(1). coil temperature rise sample: ALA2F12, 6 pcs. measured portion: coil inside contact current: 0 a, 3a 3-(2). coil temperature rise sample: ala2pf12, 6 pcs. measured portion: coil inside contact current: 0 a, 5a 4. ambient temperature characteristics and coil applied voltage contact current: ala2f=3a ala2pf=5a 80 0 0 5 10 15 20 25 30 35 40 45 50 100 120 temperature rise, c coil applied voltage, %v 20 c 3a 20 c 0a 70 c 3a 70 c 0a 80 0 0 5 10 15 20 25 30 35 40 45 50 100 120 temperature rise, c coil applied voltage, %v 70 c 5a 70 c 0a 20 c 5a 20 c 0a 0 200 100 50 150 020406080 ambient temperature, c allowable ambient temperatures against % coil voltages (max. inside the coil temperature set as 115 c 239 f ) coil applied voltage, %v
la 277 5-(1). electrical life test (3 a 125 v ac, resistive load) sample: ALA2F12, 6 pcs. operation frequency: 20 times/min. (on/off = 1.5s: 1.5s) ambient temperature: 20 c 68 f circuit: g no com no com 125v ac 12v dc contact welding detection and mis- contacting detection circuit change of pick-up and drop-out voltage change of contact resistance 0 0 20 40 60 80 100 2.5 5 max. min. x max. min. x no. of operations, 10 4 pick-up and drop-out voltage, %v pick-up voltage drop-out voltage 0 0 10 20 30 40 50 5 2.5 max. min. x no. of operations, 10 4 contact resistance, m w 5-(2). electrical life test (5 a 250 v ac, resistive load) sample: ala2pf12, 6 pcs. operation frequency: 20 times/min. (on/off = 1.5s: 1.5s) ambient temperature: 20 c 68 f circuit: g no com no com 250v ac 12v dc contact welding detection and mis- contacting detection circuit change of pick-up and drop-out voltage change of contact resistance 0 0 20 40 60 80 100 2.5 5 max. min. x max. min. x no. of operations, 10 4 pick-up and drop-out voltage, %v pick-up voltage drop-out voltage 0 0 10 20 30 40 50 5 2.5 max. min. x no. of operations, 10 4 contact resistance, m w 5-(3). electrical life test (ul lamp load test tv-4) tested sample: ala2pf12, 6 pcs. ? overload test load: 6.0 a 120 v ac (60 hz), inrush: 91 a operation frequency: 10 times/min (on: off = 1 s: 5 s) no. of operations: 50 ope. ? endurance test load: 4a 120 v ac (60 hz), inrush: 65 a operation frequency: 10 times/min (on: off = 1 s: 5 s) no. of operations: 25,000 ope. change of pick-up and drop-out voltage change of contact resistance 0 0 20 40 60 80 100 2.5 max. min. x max. min. x no. of operations, 10 4 pick-up and drop-out voltage, %v pick-up voltage drop-out voltage 0 0 10 20 30 40 50 2.5 max. min. x no. of operations, 10 4 contact resistance, m w for cautions for use, see relay technical information (page 48 to 76). 9/1/2000 all rights reserved, ? copyright matsushita electric works, ltd. go to online catalog
|
