AZ7555 20 AMP MINIATURE POWER RELAY FEATURES • • • • • • • • Dielectric strength 5000 Vrms Low cost Epoxy sealed version available 20 Amp switching — single pole contacts 5.0 mm terminal spacing Class F insulation system available UL, CUR file E44211 TUV R50290835 CONTACTS Arrangement SPST (1 Form A) SPDT (1 Form C) Ratings Resistive load: Max. switched power: 480 W or 5kVA Max. switched current: 20 A Max. switched voltage: 30* VDC or 277 VAC *Note: If switching voltage is greater than 30 VDC, special precautions must be taken. Please contact the factory. Rated Load UL, CUR Normally Open Contacts (N.O.) Std & Sen. Coil 20 A at 125 VAC, Resistive, 100k cycles, 85°C 20 A at 250 VAC, General Use, 6k cycles, 40°C 16 A at 250 VAC, Resistive, 100k cycles, 85°C 16 A at 30 VDC, Resistive, 100k cycles, 85°C 1/6 HP at 250 VAC, 100k cycles, 85°C Normally Closed Contacts (N.C.) Std & Sen. Coil 10 A at 125 VAC, Resistive, 100k cycles, 85°C 8 A at 250 VAC, Resistive, 100k cycles, 85°C 8 A at 30 VDC, Resistive, 100k cycles, 85°C Super Sensitive Coil Only 15A@150VAC inductive (General Use 85°C 0.75-0.8pf) NO NO and NC 15A@277VAC/30VDC resistive 85°C 480VA@240/277VAC pilot duty NO and NC 480VA@277VAC standard (magnetic) ballast NO and NC 600W@120VAC Tungsten NO 240W@120VAC Tungsten NC 1/3hp@120/240VAC NO 1/6hp@120/240VAC NC 1/4hp@277VAC NO 1/8hp@277VAC NC TUV 5A NO / 3A NC @ 250VAC / 30VDC, 100k cycles, 85°C 10A NO / 5A NC @ 250VAC / 30VDC, 100k cycles, 85°C 16A NO / 8A NC @ 250VAC / 30VDC, 100k cycles, 85°C GENERAL DATA Life Expectancy Mechanical Electrical Minimum operations 1 x 107 1 x 105 at 20 A 125 VAC Res. Operate Time (max) 15 ms at nominal coil voltage (standard) 20 ms at nominal coil voltage (sensitive) Release Time (max) 8 ms at nominal coil voltage (with no coil suppression) Dielectric Strength 5000 VAC contact to coil (at sea level for 1 min.) 1000 VAC between open contacts 2500 VAC between contact sets 10,000 V surge contact to coil Insulation Resistance 1000 megohms min. at 20°C, 500 VDC Dropout Greater than 10% of nominal coil voltage Ambient Temperature Operating Storage At nominal coil voltage -40°C (-40°F) to 85°C (185°F) -40°C (-40°F) to 105°C (221°F) Vibration 0.059" DA at 10–55 Hz Shock 100 G 10 G Mechanical Operational 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 13 grams COIL Power Material Silver tin oxide Resistance < 100 milliohms initially NOTES At Pickup Voltage (typical) Max. Continuous Dissipation 353 mW (standard) 300 mW (sensitive) 67.5mW (super sensitive) 1.2 W at 20°C (68°F) ambient (Standard) 0.9 W at 20°C (68°F) ambient (Sensitive) 0.2 W at 20°C (68°F) ambient (S. Sensitive) 1. All values at 23°C (73.4°F). Temperature Rise 40° C (104°F) at nominal voltage 2. Relay may pull in with less than “Must Operate” value. Temperature Max. 105°C (221°F) 3. Specifications subject to change without notice. Max. 155°C (311°F) Class F 3/13/2015 AZ7555 RELAY ORDERING DATA COIL SPECIFICATIONS (STANDARD) Nominal Coil VDC Must Operate VDC Max. Continuous VDC 3 5 6 9 12 18 24 48 60 110 2.1 3.5 4.2 6.3 8.4 12.6 16.8 33.6 45.0 82.5 3.9 6.5 7.8 11.7 15.6 23.4 31.2 62.4 78.0 143.0 ORDER NUMBER* Coil Resistance 13 ±10% 36 ±10% 48.5 ±10% 115 ±10% 200 ±10% 450 ±10% 820 ±10% 3,300 ±10% 5,000 ± 10% 16,000 ± 10% Form A (SPST) AZ7555–1A–3DK AZ7555–1A–5DK AZ7555–1A–6DK AZ7555–1A–9DK AZ7555–1A–12DK AZ7555–1A–18DK AZ7555–1A–24DK AZ7555–1A–48DK AZ7555–1A–60DK AZ7555–1A–110DK Form C (SPDT) AZ7555–1C–3DK AZ7555–1C–5DK AZ7555–1C–6DK AZ7555–1C–9DK AZ7555–1C–12DK AZ7555–1C–18DK AZ7555–1C–24DK AZ7555–1C–48DK AZ7555–1C–60DK AZ7555–1C–110DK For epoxy seal change “DK” to “DEK”. For Class F insulation system add suffix “F” to part number. COIL SPECIFICATIONS (SENSITIVE) Nominal Coil VDC Must Operate VDC Max. Continuous VDC 3 5 6 9 12 18 24 48 60 110 2.25 3.75 4.5 6.75 9 13.5 18 36 45.0 82.5 3.9 6.5 7.8 11.7 15.6 23.4 31.2 62.4 78.0 143.0 ORDER NUMBER* Coil Resistance 17 ±10% 48.5 ±10% 68 ±10% 155 ±10% 270 ±10% 600 ±10% 1100 ±10% 4400 ±10% 6,670 ± 10% 22,400 ± 10% Form A (SPST) Form C (SPDT) AZ7555–1A–3DSK AZ7555–1A–5DSK AZ7555–1A–6DSK AZ7555–1A–9DSK AZ7555–1A–12DSK AZ7555–1A–18DSK AZ7555–1A–24DSK AZ7555–1A–48DSK AZ7555–1A–60DSK AZ7555–1A–110DSK AZ7555–1C–3DSK AZ7555–1C–5DSK AZ7555–1C–6DSK AZ7555–1C–9DSK AZ7555–1C–12DSK AZ7555–1C–18DSK AZ7555–1C–24DSK AZ7555–1C–48DSK AZ7555–1C–60DSK AZ7555–1C–110DSK * For epoxy seal change “DSK” to “DSEK”. For Class F insulation system add suffix “F” to part number. COIL SPECIFICATIONS (SUPER SENSITIVE) Nominal Coil VDC 5 6 9 12 18 24 48 60 Must Operate VDC 3.75 4.5 6.75 9 13.5 18 36 45.0 Max. Continuous VDC 6.5 7.8 11.7 15.6 23.4 31.2 62.4 78.0 Coil Resistance 208 ±10% 300 ±10% 675 ±10% 1,200 ±10% 2,700 ±10% 4,800 ±10% 19,200 ±10% 30,000 ± 10% ORDER NUMBER* Form A (SPST) AZ7555–1A–5DSSK AZ7555–1A–6DSSK AZ7555–1A–9DSSK AZ7555–1A–12DSSK AZ7555–1A–18DSSK AZ7555–1A–24DSSK AZ7555–1A–48DSSK AZ7555–1A–60DSSK Form C (SPDT) AZ7555–1C–5DSSK AZ7555–1C–6DSSK AZ7555–1C–9DSSK AZ7555–1C–12DSSK AZ7555–1C–18DSSK AZ7555–1C–24DSSK AZ7555–1C–48DSSK AZ7555–1C–60DSSK * For epoxy seal change “DSSK” to “DSSEK”. For Class F insulation system add suffix “F” to part number. 3/13/2015 AZ7555 HARDWARE ORDERING DATA DESCRIPTION ORDER NUMBER DESCRIPTION ORDER NUMBER Socket (5.0 mm) ST484-U1 Retainer ST482-2 MECHANICAL DATA Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010" unless specified. 3/13/2015