891 SONG CHUAN Features 25A miniature general purpose Power Relay. With or without quick terminal & PCB terminal. CSA/CUS, TUV,UL/CUL approved. Designed for compressor load switching application and office equipment of motor control or lamp load switching. Comply with RoHS-Directive 2002/95/EC. Type List Terminal style Contact form Designation WP (Quick terminal & PCB terminal) SPNO 891WP-1A-C P (PCB terminal) SPNO 891P-1A-C Ordering Information 891 WP 1 - 1A 2 3 - F - 4 C 5 1. 891 -- Basic series designation 2. P WP -- PCB terminal -- Socket terminal & PCB terminal 3. 1A -- Single pole normally open 4. Blank F -- Standard type -- Class F 5. C -- Flux tight Contact Rating Resistive load 25A 250VAC Inductive load / Inrush 80A 240VAC cos F0.7 Compressor load Steady state 20A 240VAC cos F0.9 Coil Rating (DC) Rated Rated current voltage p10 % at 23C 148 Coil resistance Max. continuous Pick up Drop out Power consumption p10 % at 23C voltage voltage(Max) voltage(Min) at rated at 85C at 23C at 23C voltage (V) (mA) (7 ) 5 180 27.8 6 150 40 150 % of 75 % of 10 % of 9 100 90 rated rated rated 12 75 160 voltage voltage voltage 24 38 640 48 19 2560 approx. 0.9W 891 SONG CHUAN Specification Contact material Contact resistance AgSnO alloy (1) 100m7 Max. Operate time (1) Release time 20ms Max. (1) Insulation resistance 10ms Max. (1) 1000 M7 Min. (DC 500V) Dielectric strength(1) Vibration resistance Shock resistance Between open contact : AC 1000V , 50/60Hz 1 min. Between contact and coil : AC 4500V , 50/60Hz 1 min. Operating extremes 1055Hz , amplitude 1.5 mm Damage limits 1055Hz , amplitude 2.0 mm Operating extremes 10G Damage limits 100G 5,000,000 operations Mechanical (frequency 18,000 operations/hr) Life expectancy 100,000 operations Electrical (frequency 360 operations/hr) Operating ambient temperature -40+ 85C (no freezing) Weight Approx. 22g Note(1) initial value Safety Approval Certified CSA / CUS TUV UL / CUL File No. 1165173 R3-50003966 E88991 Safety Approval Rating CSA / CUS TUV UL / CUL 25A 277VAC 25A 250VAC 25A 277VAC 1.5HP 125/250VAC 20A 250VAC cos F0.7 1.5HP 125VAC/250VAC 18FLA/98LRA 240VAC Outline Dimensions 16 (0.630) 9.4 (0.370) 891P 30 (0.138) 0.8 (0.031) 23.2 (0.913) 3.5 26.8 (1.055) (1.181) 1.3 (0.051) 0.7 (0.028) 0.3 (0.012) 1.5 (0.059) 149 891 SONG CHUAN 16 3 (0.630) 891WP 4 30 (0.315) (1.181) 6.6 8 18.5 0.8 (0.728) (0.031) 6.35 3.4 (0.134) (0.138) 1.3 0.7 3.5 (0.051) 0.3 (0.027) (0.012) Wiring Diagram BOTTOM VIEW 4 3 1 2 6.25 (0.246) PC Board Layout 1.8-4 (0.071) 5.75 (0.226) BOTTOM VIEW 12 (0.472) 22 (0.866) 27.6 (1.087) 150 0.8 (0.031) 0.8 (0.031) 23.5 (0.925) (0.250) (0.260) 1.5 (0.059) 891 SONG CHUAN Engineering Data Coil temperature rise Coil temperature rise 120 70 25A 100 90 Temperature rise () Temperature rise () 110 20A 80 70 60 50 60 50 25A 40 20A 30 40 30 60 80 100 120 140 160 60 180 80 % of Nominal Coil Voltage (at 23) 10 10 10 250VAC 6 5 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 70 4 0 1 5 120 140 160 180 Operate time/Release time Life expectancy 7 Time (ms) Number of operations 10 100 % of Nominal Coil Voltage (at 85) 10 15 20 25 Operate time max min Release time min 80 90 avg max avg 100 110 120 130 140 150 160 170 180 % of Nominal coil voltage (at 23) AC resistive load/Switching current(A) -------- All specifications subject to change. Please contact Song Chuan for update. -------- 151