page 1 www.citrelay.com phone - 763.535.2339 fax - 763.535.2194 speci? cations and availability subject to change without notic e. dimensions shown in mm. dimensions are shown for reference purp oses only. rohs compliant a3 general data* coil voltage vdc coil resistance +/- 10% pick up voltage vdc (max) 70% of rated voltage release voltage vdc (min) 10% of rated voltage coil power w operate time ms release time ms rated max 1.8w 12 15.6 80 8.40 1.2 1.80 7 5 24 31.2 320 16.80 2.4 coil data* contact data* ? large switching capacity up to 80a ? pcb pin and quick connect mounting available ? suitable for automobile and lamp accessories ? qs-9000, iso-9002 certi? ed manufacturing 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 2 in 2 o 3 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 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 o c to +125 o c storage temperature -40 o c to +155 o c solderability 260 o c for 5 s weight 46g 28.5 x 28.5 x 26.5 (40.0) mm ? la rg e sw it ch in g ca pa ci ty u p t f f eature s * 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 speci c 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 fax - 763.535.2194 speci? cations and availability subject to change without notic e. dimensions shown in mm. dimensions are shown for reference purp oses only. a3 page 2 ordering information dimensions - a3 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 ? 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 corpo ration 7. coil suppression blank = standard d = diode (1n4005) cathode on 86 terminal r = resistor (180 for 6vdc; 680 for 12vdc; 2700 for 24vdc) 2d = 2 diodes (1n4005) dr = diode & resistor cathode on 86 terminal (1n4005 & 180 for 6vdc; 680 for 12vdc; 2700 for 24vdc) ** consult factory if other values are needed
www.citrelay.com phone - 763.535.2339 fax - 763.535.2194 speci? cations and availability subject to change without notic e. dimensions shown in mm. dimensions are shown for reference purp oses only. page 3 a3 dimensions - a3f units = mm 28.65 [1.13] ? 5.60 [.22] 9.70 [.38] 26.20 [1.03] 32.00 [1.26] 42.50 [1.67] 6.35 typ [.250] .80typ [.032] 11.60 typ [.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] ? 5.60 [.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 ? 5.50 [.22] 15.00 [.59] 10.75 [.42] 28.65 [1.13] 26.20 [1.03] 6.35 typ [.250] .80typ [.032] 11.60 typ [.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
www.citrelay.com phone - 763.535.2339 fax - 763.535.2194 speci? cations and availability subject to change without notic e. dimensions shown in mm. dimensions are shown for reference purp oses only. page 4 a3 bottom views schematics & pc layouts 30 85 86 87 30 85 87a 86 2x 8.40 [.33] 8.00 [.31] 8.40 [.33] 8.40 [.33] 9.50 [.37] ?3.00 typ [.12] 1a 1b standard pc layout 85 30 87a 87 86 30 87a 86 87 85 2x 8.40 [.33] 8.00 [.31] 3.80 [.15] 3.80 [.15] 3.80 [.15] 3.80 [.15] 2x ?1.95 [.08] 9x ?2.20 [.09] 9.50 [.37] 1c 1u heavy duty pc layout
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