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Technical content

Features

Contact 1A = SPST N.O. Arrangement 1B = SPST N.C. 1C = SPDT 1U = SPST N.O. (2 terminals) Contact Rating Standard Heavy Duty 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. 1U 2x25A @ 14VDC 2x25@ 14VDC Contact Resistance < 30 milliohms initial Contact Material AgSnO 2In2O3 Max Switching Power 1120W Max Switching Voltage 75VDC Max Switching Current 80A 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 i nitial Contact to Contact 500V rms min. @ sea level initial Shock Resistance 147m/s 2 for 11 ms Vibration Resistance 1.5mm double amplitude 10~40Hz Terminal (Copper Alloy) Strength 8N (quick connect), 4N (PCB pin s) Operating Temperature -40 oC to +125oC Storage Temperature -40 oC to +155oC Solderability 260 oC for 5 s Weight 46g 28.5 x 28.5 x 26.5 (40.0) mm

  • Large switching capacity up t F
  • 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 specifi c application. The use of any coil voltage less than the rated coil voltage may compromise the operation of the relay.

Specifi cations and availability subject to change without notice.Dimensions shown in mm. Dimensions are shown for reference purposes only. page 2

Ordering Information

Units = mm 28.65 [1.13] 28.65 [1.13] 8.40 [.33]17.90 [.70] 8.40 [.33] 8.40 [.33] 26.20 [1.03] 31.70 [1.25] 3.20 [.13]

2.60 TYP

[.10] 28.65 [1.13]

6.35 TYP

[.250] .80 TYP [.032] 28.65 [1.13] 26.20 [1.03]

11.60 TYP

[.46] Standard contacts (1) with PC Pin Standard contacts (1) with Quick Connect 1. Series A3F 1C S Q 24VDC 2 A3 standard A3F with mounting fl ange 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

Specifi cations and availability subject to change without notice.Dimensions shown in mm. Dimensions are shown for reference purposes only. page 3 Dimensions - A3F Units = mm 28.65 [1.13] Ø5.60 [.22] 9.70 [.38] 26.20 [1.03] 32.00 [1.26] 42.50 [1.67] [.250] .80TYP [.032] [.46] 21.90 [.86] 29.05 [1.14] 21.90 [.86] 27.50 [1.08] 2X 11.60 [.46] 3X 9.53 [.375] 3X 1.27 [.050] 2X 6.35 [.250] 3X 15.60 [.61] 43.60 [1.72] 2X .80 [.032] Ø5.60 [.22] 32.00 [1.26] 9.50 [.37] Standard contacts (1) with Quick Connect Heavy Duty contacts (2) with Quick Connects Dimensions - A3M Units = mm Ø5.50 [.22] 15.00 [.59] 10.75 [.42] 28.65 [1.13] 26.20 [1.03] [.250] .80TYP [.032] [.46] 32.85 [1.29] 43.10 [1.70] 28.65 [1.13] 15.00 [.59] 10.95 [.43] 2X 11.60 [.46] 3X 9.53 [.375] 2X .80 [.032] 3X 1.27 [.050] 2X 6.35 [.250] 3X 15.60 [.61] 32.85 [1.29] 44.60 [1.76] 27.50 [1.08] Standard contacts (1) with Quick Connect Heavy Duty contacts (2) with Quick Connects Dimensions - A3 Heavy Duty Units = mm 28.90 [1.14] 28.60 [1.13]

9.50 TYP

[.37]

1.65 TYP

[.06] 2X 8.40 [.33]17.90 [.70] 8.40 [.33] 8.40 [.33] 27.55 [1.08] 2X 1.50 [.06] 31.60 [1.24] 28.40 [1.12] 28.40 [1.12] 27.55 [1.08] 2X 6.35 [.250]3X 9.53 [.375] 2X .80 [.032] 3X 1.27 [.050] 2X 11.60 [.46] 3X 15.60 [.61] Heavy Duty contacts (2) with PC Pins Heavy Duty contacts (2) with Quick Connects

Specifi cations and availability subject to change without notice.Dimensions shown in mm. Dimensions are shown for reference purposes only. page 4 Bottom Views Schematics & PC Layouts 87 30 87a 2X 8.40 [.33] 8.00 [.31] 8.40 [.33] 8.40 [.33] 9.50 [.37] Ø3.00 TYP [.12] 1A 1B Standard PC Layout 30 87a 87 30 87a 2X 8.40 [.33] 8.00 [.31] 3.80 [.15]3.80 [.15] 3.80 [.15] 3.80 [.15] 2X Ø1.95 [.08] 9X Ø2.20 [.09] 9.50 [.37] 1C 1U Heavy Duty PC Layout