A3 RoHS Compliant 28.5 x 28.5 x 26.5 (40.0) mm Features F eatures • • • • Large switching capacity up to t 80A PCB pin and quick connect mounting available Suitable for automobile and lamp accessories QS-9000, ISO-9002 Certified Manufacturing Contact Data* Contact 1A = SPST N.O. Contact Resistance < 30 milliohms initial Arrangement 1B = SPST N.C. Contact Material AgSnO2In2O3 1C = SPDT Max Switching Power 1120W 1U = SPST N.O. (2 terminals) Max Switching Voltage 75VDC Standard Heavy Duty Max Switching Current 80A 1A 60A @ 14VDC 80A @ 14VDC 1B 40A @ 14VDC 70A @ 14VDC 1C 60A @ 14VDC N.O. 80A @ 14VDC N.O. 40A @ 14VDC N.C. 70A @ 14VDC N.C. 2x25A @ 14VDC 2x25@ 14VDC Contact Rating 1U Coil Data* Coil Voltage VDC Coil Resistance Ω +/- 10% Pick Up Voltage VDC (max) Release Voltage VDC (min) Rated Max 1.8W 70% of rated voltage 10% of rated voltage 12 15.6 80 8.40 1.2 24 31.2 320 16.80 2.4 Coil Power W Operate Time ms Release Time ms 1.80 7 5 General Data* Electrical Life @ rated load 100K cycles, average Mechanical Life 10M cycles, average Insulation Resistance 100M Ω min. @ 500VDC initial Dielectric Strength, Coil to Contact 500V rms min. @ sea level initial Contact to Contact 500V rms min. @ sea level initial Shock Resistance 147m/s2 for 11 ms Vibration Resistance 1.5mm double amplitude 10~40Hz Terminal (Copper Alloy) Strength 8N (quick connect), 4N (PCB pins) Operating Temperature -40oC to +125oC Storage Temperature -40oC to +155oC Solderability 260oC for 5 s Weight 46g * Values can change due to the switching frequency, desired reliability levels, environmental conditions and in-rush load levels. It is recommended to test actual load conditions for the application. It is the user’s responsibility to determine the performance suitability for their specific application. The use of any coil voltage less than the rated coil voltage may compromise the operation of the relay. www.citrelay.com phone - 763.535.2339 Dimensions shown in mm. Dimensions are shown for reference purposes only. fax - 763.535.2194 page 1 Specifications and availability subject to change without notice. A3 Ordering Information 1. Series A3F 1C S Q 24VDC 2 A3 standard A3F with mounting flange A3M with metal bracket 2. Contact Arrangement 1A = SPST N.O. 1B = SPST N.C. 1C = SPDT 1U = SPST N.O. *only available with standard contacts 3. Sealing Option S = Sealed *Sealing only available with heavy duty contacts C = Dust Cover 4. Termination P = PCB Pins Q = Quick Connect 5. Coil Voltage 12VDC 24VDC 6. Contacts 1 = Standard *Sockets for these models can be found on the CIT Relay Socket catalog page 2 = Heavy Duty *We recommend the PR series socket from Custom Connector Corporation 7. Coil Suppression Blank = Standard D = Diode (1N4005) Cathode on “86” terminal R = Resistor (180Ω for 6VDC; 680Ω for 12VDC; 2700Ω for 24VDC) 2D = 2 Diodes (1N4005) DR = Diode & Resistor Cathode on “86” terminal (1N4005 & 180Ω for 6VDC; 680Ω for 12VDC; 2700Ω for 24VDC) ** Consult factory if other values are needed Dimensions - A3 Units = mm 28.65 [1.13] 28.65 [1.13] 17.90 [.70] 2.60 TYP 8.40 [.10] [.33] 26.20 [1.03] 8.40 [.33] 8.40 [.33] .80 TYP [.032] 6.35 TYP [.250] Standard contacts (1) with PC Pin page 2 28.65 [1.13] 26.20 [1.03] 31.70 [1.25] 3.20 [.13] 28.65 [1.13] www.citrelay.com 11.60 TYP [.46] Standard contacts (1) with Quick Connect phone - 763.535.2339 Dimensions shown in mm. Dimensions are shown for reference purposes only. fax - 763.535.2194 Specifications and availability subject to change without notice. A3 Dimensions - A3 Heavy Duty Units = mm 28.90 [1.14] 31.60 [1.24] 9.50 TYP [.37] 27.55 [1.08] 27.55 [1.08] 2X 1.50 2X 8.40 [.06] 1.65 TYP [.06] 28.40 [1.12] 28.40 [1.12] 28.60 [1.13] 17.90 [.70] [.33] 2X 11.60 [.46] 8.40 [.33] 3X 15.60 [.61] 2X .80 [.032] 8.40 [.33] 3X 9.53 [.375] Heavy Duty contacts (2) with PC Pins 2X 6.35 [.250] 3X 1.27 [.050] Heavy Duty contacts (2) with Quick Connects Dimensions - A3F Units = mm 29.05 [1.14] 28.65 [1.13] 21.90 [.86] 32.00 [1.26] Ø5.60 [.22] 9.50 [.37] 9.70 [.38] 42.50 [1.67] 26.20 [1.03] 43.60 [1.72] 27.50 [1.08] 2X 11.60 [.46] .80TYP [.032] 6.35 TYP [.250] 32.00 [1.26] 21.90 [.86] Ø5.60 [.22] 3X 9.53 [.375] 11.60 TYP [.46] Standard contacts (1) with Quick Connect 3X 15.60 [.61] 2X .80 [.032] 2X 6.35 [.250] 3X 1.27 [.050] Heavy Duty contacts (2) with Quick Connects Dimensions - A3M Units = mm 28.65 [1.13] 32.85 [1.29] 15.00 [.59] 28.65 [1.13] 15.00 [.59] 10.95 [.43] 32.85 [1.29] Ø5.50 [.22] 10.75 [.42] 43.10 [1.70] 2X 11.60 [.46] 26.20 [1.03] 6.35 TYP [.250] .80TYP [.032] 3X 9.53 [.375] 11.60 TYP [.46] Standard contacts (1) with Quick Connect www.citrelay.com 44.60 [1.76] 27.50 [1.08] 3X 1.27 [.050] 2X 6.35 [.250] Heavy Duty contacts (2) with Quick Connects phone - 763.535.2339 Dimensions shown in mm. Dimensions are shown for reference purposes only. 3X 15.60 [.61] 2X .80 [.032] fax - 763.535.2194 page 3 Specifications and availability subject to change without notice. A3 Schematics & PC Layouts Bottom Views 86 86 30 9.50 [.37] 87 8.40 [.33] 87a 30 85 2X 8.40 [.33] 85 8.00 [.31] Ø3.00 TYP [.12] 1A 1B Standard PC Layout 2X Ø1.95 [.08] 86 30 87a 85 86 87 3.80 [.15] 87a 30 9.50 [.37] 2X 8.40 [.33] 3.80 [.15] page 4 9X Ø2.20 [.09] 85 1U www.citrelay.com 3.80 [.15] 87 8.00 [.31] 1C 8.40 [.33] 3.80 [.15] Heavy Duty PC Layout phone - 763.535.2339 Dimensions shown in mm. Dimensions are shown for reference purposes only. fax - 763.535.2194 Specifications and availability subject to change without notice.