73 AUTOMOTIVE POWER RELAY FEATURES APPLICATION l Head Lamp Control l Starter Motors l Defogger l Radiator Fan l A/C Controls l High Performance l 4.8 & 6.3 mm Flat terminals l PC Version Available l Suitable Couplers available l Optional Sealing TECHNICAL DATA FOR CONTACT SIDE : Model : 73-1A Areas of Application LAMP LOAD 73-IC RESISTIVE / INDUCTIVE LOAD Contact Configuration : 1A 1A/1C Contact Material : Silver Tin Oxide Silver Nickel 20/10A (Res) 0 Contact Rating at 23 C - 12VDC : 20A (Lamp) Electrical Life Operations Min. : 2 x 10 Mechanical Life Operations Min. : 1 x 10 Contact Voltage Current at 10 A (Min) : 30mV 30mV Ma ximum Switching Current @ 12.8 VDC For 3 Sec. : 100A 100A 5 6 GENERAL DATA FOR COIL SIDE Nominal Coil Power : 1.3W (Approx) Operating Power : 0.97W (Approx) Operate Time* : 10 milli Seconds Release Time* : 7 milli Seconds * At nominal voltage without coil suppression (excluding bounce) OPERATING CONDITIONS Ambient Temperature : -300C to +850C Ma ximum Temperature : 1550C Dielectric Strength : 500VRMS Insulation Resistance : 100 Meg. Ohms Min. At 500 VDC, 0 25 C RH 50 Vibration Resistance (without change in the switching state>10µS) : 10-500Hz 5g : 20g, 8mS Shock Resistance (without change in the switching state>10µS) 2 x 10 1 x 10 5 6 CIRCUIT DIAGRAM 1 Form A * 30 85 86 87 1 Form C * 30 85 86 87 87a *Parallel resistor or diode optional HOW TO ORDER - 12 0 1 - PC - X X X Product Series Specialities If any Coil Resistance Ohms ±10% 1A Drop-out Voltage VDC (Min) - *Pick-up Voltage VDC (Ma x) 0 Nominal Voltage VDC 73 COIL DATA 06 4.5 0.6 26 12 8.2 1.2 110 24 16.4 2.4 430 PC: PC Version 0-Standrd (without bracket) I - with bracket 0- No Resistor in Parallel to Coil 1 - With Resistor in Parallel to Coil Contact Arrangement 1A - 1 Form A 1C - 1 Form C Contact Material 0 - Silver Tin Oxide 1 - Silver Nickel Nominal Voltage (Refer Coil Data) **Lower pick-up Voltages available on request DRILLING PATTERN DIMENSIONS +0.1 1.3 0.0 8.0 6.5 12.6 Ø5.5 2.5 24 15.0 9.00±0.05 2.6 4.50±0.05 11 8.00±0.05 15.00±0.05 COVER RETENTION Pull : 20KgF Push : 20KgF TERMINAL STRENGTH 15.0 9.0 15.0 9.00±0.05 MECHANICAL DATA 87 For PC Version 30 8.00±0.05 86 4.50±0.05 6.3 85 +0.1 ø2.9 0.0 15.00±0.05 0.8 4.8 2.5 14 8 2.5 21 AVAILABLE ON REQUEST l High temperature winding wire l Special contacts for higher contact rating l Cover with notches l Special coil resistance & pick-up Pull : 10KgF l Resistor / diode across coil Push : 10KgF l For other custom solutions consult factory DATA ON VARIOUS TESTS CONDUCTED FOR OPERATING CONDITIONS * TEST TEST CONDITION RESULT 0 Relay kept at 100 C Coil Voltage : 14 VDC Load given : 20 A @ 12 VDC Continuous Energisation test at Ex treme temperature Conditions Duration : 5 Sec. On, 5 Sec. OFF Relays successfully completed 100000 operations at given load No. of operation : 50000 0 The above test repeated at - 30 C for 50000 operations Relay subjected to :0 0 -30 C to + 100 C in 2 Hrs. with coil ON 0 Thermal cycling +100 C for 2 Hrs. with coil ON 0 0 +100 C to - 30 C in 2 Hrs. with 1 Hrs. Coil ON & 1 Hrs. Coil OFF All operating parameters within the specifications af ter test 0 -30 C for two Hrs. with Coil ON No. of Cycles : 3 Relay is subjected to :Ma x. Voltage : 100VDC Shock Voltage Shock Wave : Exponential Damping vibration Time : 500 micro Sec. Af ter the test, all operating parameters of the relay are within specification. Period : 30 Sec. Test Time : 10 Hrs. Dropping Impact Jump Start Corrosion Resistance Water Resistance test AS per JIS D 0203 R2 Relays dropped from a height of 1 Meter to a concrete floor 24 VDC for 1 minute conducting normal current 0 at 23 C 5% Sodium Chloride solution applied to relay for 48 Hrs. Horizontal Plane:23rev. / Min. Water Pressure:0.03 Mpa Test time:10 Min *Typical values for relays with 12 VDC coil. For higher severity please consult factory No change in operating parameters of the relay. Withstood successfully No damage to relay parts No water ingression inside the relay