AZ755 20 AMP MINIATURE POWER RELAY FEATURES • • • • • • • • Dielectric strength 5000 Vrms Low cost Epoxy sealed version available 20 Amp switching — single pole contacts Isolation spacing greater than 8mm UL Class B insulation system standard, Class F available UL, CUR file E44211 TÜV file R50129286 CONTACTS GENERAL DATA Arrangement SPST (1 Form A, 1 Form B) SPDT (1 Form C) Ratings Resistive load: Max. switched power: 480 W or 5540 VA Max. switched current: 20 A Max. switched voltage: 150* VDC or 380 VAC Life Expectancy Mechanical Electrical Minimum operations 1 x 107 1 x 105 at 16 A 240 VAC Res. Operate Time (typical) 15 ms at nominal coil voltage Release Time (typical) 5 ms at nominal coil voltage (with no coil suppression) *Note: If switching voltage is greater than 30 VDC, special precautions must be taken. Please contact the factory. Rated Load UL, CUR 20 A at 277 VAC N.O. resistive, 50k cycles 16 A at 240 VAC general use, 100k cycles 12 A at 277 VAC N.O. resistive., 100k cycles 20 A at 24 VDC resistive 1 HP 240 VAC TV-8 125 VAC N.O. (silver tin oxide only) Suffix 136 Contact 25 A at 125 VAC N.O. resistive, 30k cycles 20 A at 125/250/277 VAC N.O. general use, 30k cycles 1/2 HP at 125/250 VAC TV-10 at 125 VAC N.O. 10 FLA, 60 LRA at 250 VAC N.O. 20k cycles TÜV 16 A at 30 VDC, 250 VAC resistive, 30k cycles* 13 A at 420 VAC resistive, 30k cycles * *approval for form A , C, and Class F only Material Resistance Silver cadmium oxide (silver tin oxide available) < 50 milliohms initially (24 V, 1 A voltage drop method) COIL Dielectric Strength 5000 Vrms coil to contact (at sea level for 1 min.) 1000 Vrms between open contacts Insulation Resistance 1000 megohms min. at 20°C 500 VDC 50% RH Dropout Greater than 10% of nominal coil voltage Ambient Temperature Operating Storage At nominal coil voltage -40°C (-40°F) to 90°C (194°F) -40°C (-40°F) to 130°C (266°F) Vibration 0.062" DA at 10–55 Hz Shock 10 g Enclosure P.B.T. polyester Terminals Tinned copper alloy, P. C. Max. Solder Temp. 270°C (518°F) Max. Solder Time 5 seconds Max. Solvent Temp. 80°C (176°F) Max. Immersion Time 30 Seconds Weight 18.5 grams Power At Pickup Voltage (typical) 270 mW NOTES Max. Continuous Dissipation 1.9 W at 20°C (68°F) ambient 1. All values at 20°C (68°F). Temperature Rise 34°C (61°F) at nominal coil voltage 2. Relay may pull in with less than “Must Operate” value. Max. 130°C (266°F) 3. Specifications subject to change without notice. Temperature 1/23/13 AZ755 RELAY ORDERING DATA COIL SPECIFICATIONS ORDER NUMBER* Nominal Coil VDC 5 Must Operate VDC 3.6 Max. Continuous VDC 9.4 Coil Resistance 47 ±10% Form A (SPST) AZ755–1A–5D Form C (SPDT) AZ755–1C–5D 6 4.3 11.4 69 ±10% AZ755–1A–6D AZ755–1C–6D 9 6.5 17.4 155 ±10% AZ755–1A–9D AZ755–1C–9D 12 8.6 22.8 275 ±10% AZ755–1A–12D AZ755–1C–12D 18 13.0 27.9 620 ±10% AZ755–1A–18D AZ755–1C–18D 24 17.3 45.7 1100 ±15% AZ755–1A–24D AZ755–1C–24D 48 34.6 89.0 4400 ±15% AZ755–1A–48D AZ755–1C–48D 60 43.2 115.3 6880 ±15% AZ755–1A–60D AZ755–1C–60D 110** 79.3 170.5 22900 ±15% AZ755–1A–110D AZ755–1C–110D *Substitute “1B” in place of “1A” or “1C” to indicate 1 Form B contact arrangement. Add suffix “E” for epoxy sealed version, suffix “A” for AgSnO (silver tin oxide) contacts. Add suffix “F” for Class F. Add suffix “136” for silver tin oxide small contacts. When suffix “E” is specified for Epoxy Seal, refer to AZ “Relay Technical Notes” on AZ website - Product Resources. Consult factory for other PCB process conditions that may apply. **110V coil not TÜV approved. HARDWARE ORDERING DATA DESCRIPTION ORDER NUMBER DESCRIPTION ORDER NUMBER Socket ST484–U1 Retainer ST482–2 MECHANICAL DATA PC BOARD LAYOUT Form A and C .197 .197 (5) (5) (Form A and C only) .590 (15) .51 (13) .160 ± .015 (4.2 ± .4) 1.14 (29) 0.015 (0.38) 1.06 (26.8) .295 (7.5) .08 (2.1) .05 DIA. (1.3) (Form B & C only) (6 places Form A & B) (8 places Form C) Viewed toward terminals ST484-U1 Terminal No. Dimensions Tol.: ± 0.005 (0.13) 1,2,4,5,7,8 0.018 (0.457) x 0.038 (0.965) 3,6 0.011 (0.279) x 0.038 (0.965) HARDWARE .500 (12.7) 1.28 (32.5) 1.22 (30.9) WIRING DIAGRAM Form B Form A 1 8 3 6 .414 (10.5) Form C 4 1 2 3 1 2 3 4 5 8 7 6 8 7 6 5 .354 (9.0) .177 (4.5) MAX .125 DIA (0.5) .366 (9.3) RETAINING CLIP .295 (7.5) .197 (5.0) 1.217 (30.9) .158 (4.0) Viewed toward terminals 1.004 (26.5) .197 (5.0) .590 (15) .118 (3.0) .059 DIA (1.5) .138 (3.5) Viewed toward terminals ST482-2 Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010" 1/23/13