SONG CHUAN 852 Features Miniature 25A 250VAC Power Relay. UL/CUL, VDE approved. With and without quick connect terminals on top. Inductive load cos =0.7, 20A 250VAC, inrush 80A 250VAC, 400ms suitable for compressor load switching and HVAC applications. Type List Terminal style Contact form Designation W (Quick terminal) SPNO 852-W-1A-C1 P (PCB terminal) SPNO 852-P-1A-C SPNO 852-WP-1A-C WP (Quick terminal & PCB terminal) Ordering Information 852 W 1 2 - 1A - F 3 - 4 C 5 1. 852 -- Basic series designation 2. W P WP -- With quick terminals -- With PCB terminals -- With quick and PCB terminals 3. 1A -- Single pole normally open 4. Blank F -- Standard type -- Class F 5. C C1 -- Dust cover -- Flanged cover Contact Rating Resistive load 25A 250VAC Inductive load (cos =0.7) 20A 250VAC (Inrush 80A) Coil Rating (DC) 128 Rated Rated current Coil resistance Max. continuous voltage 10 % at 23C 10 % at 23C (V) (mA) () 5 180 27.8 6 150 9 voltage Pick up Drop out voltage(Max) voltage(Min) at 70C at 23C at 23C 40 150 % of 75 % of 10 % of 100 90 rated rated rated 12 75 160 voltage voltage voltage 24 38 640 48 19 2560 Power consumption at rated voltage approx. 0.9W SONG CHUAN 852 Specification Contact material AgSnO alloy Contact resistance (1) 30m Max. Operate time (1) 20ms Max. Release time (1) 10ms Max. Insulation resistance (1) Dielectric strength 100M Min. (DC 500V) (1) Vibration resistance Shock resistance Between open contact : AC 1200V, 50/60Hz 1 min. Between contact and coil : AC 3600V, 50/60Hz 1 min. Operating extremes 1050Hz , amplitude 1.0 mm Damage limits 1050Hz , amplitude 2.0 mm Operating extremes 10G Damage limits 100G 10,000,000 operations Mechanical (frequency 18,000 operations/hr) Life expectancy 100,000 operations Electrical (frequency 1,200 operations/hr) Operating ambient temperature -25 ~ +70C (no freezing) Weight Approx. 31.5g Note(1) initial value Safety Approval Certified UL / CUL VDE File No. E88991 40004735 Safety Approval Rating UL / CUL VDE 25A 277VAC 25A 250VAC T85 1HP 125VAC 20A 250VAC cos 0.7 1.5HP 250VAC 30A 277VAC (NO) 28.5 18 (1.122) (0.709) 1 (0.039) 18.5 (0.728) 4.3 1.5 30.4 (1.197) (0.169) 852-P (0.059) Outline Dimensions 129 SONG CHUAN 852 852-W 47.5 (1.870) 30.4 4.75x0.5 (1.197) COM NO 4.5 (0.177) 28.5 (0.394) (1.122) 10 (0.187) (0.020) Quick terminal 39.5 6.35x0.8 (1.555) 6.8 1.5 (0.020) (0.059) (0.079) 0.5 (0.031) 8.2 0.8 6.3 (0.248) (0.323) (0.591) 17.5 (0.268) (0.689) (0.390) 15 2 18 (0.709) 9.9 (0.250) (0.031) Quick terminal 6.35x0.8 (0.031) (0.250) (0.031) Quick terminal 18 30.4 (1.122) 28.5 (1.197) Wiring Diagram BOTTOM VIEW 852-W 852-P/WP COM NO COIL NO COM 130 COIL (0.709) 1.5 4.3 1 (0.059) 0.8 6.3 (0.248) (0.169) (0.390) (0.591) (0.268) (0.039) 18.5 6.8 15 (0.728) 9.9 852-WP SONG CHUAN 852 PC Board Layout BOTTOM VIEW 2.15 (0.085) 24.5 852-P/WP (0.965) 852-W 4.5-2 39.5 2.5 (0.177) (0.098) (1.555) 20 (0.787) 1.8-4 4.95 (0.071) 22 (0.195) (0.866) Engineering Data Coil temperature rise Coil temperature rise 100 100 90 90 80 20A 70 Temperature rise () Temperature rise () 80 25A 60 50 40 30 20 10 70 25A 50 40 30 20 10 60 80 100 120 140 160 180 60 80 % of Nominal Coil Voltage (at 23) 100 120 140 160 180 % of Nominal Coil Voltage (at 70) Operate time/Release time Life expectancy 10 20A 60 7 16 Operate time 10 10 250VAC 6 Time (ms) Number of operations 12 8 6 Release time 10 5 4 60 10 70 80 90 100 110 120 130 140 % of Nominal coil voltage (at 23) 4 0 1 5 10 15 20 25 AC resistive load/Switching current(A) 131