PRODUCT SPECIFICATION DATE: 05/27/11’ SOLID STATE RELAY： cosmo KSD440AC8 ELECTRONICS CORPORATION NO. 58082440 SHEET 1 OF 2 1. OUTSIDE DIMENSION : UNIT ( mm ) LED Φ4.0 40AMP 14.00 11.50 LOAD 45.20 14.00 2 + 3 480VAC cosmo ELECTRONICS CORPORATION SOLID STATE RELAY TYPE KSD440AC8 INPUT 4-32VDC 1 4 - Φ5.0 5.25 5.25 58.00 8.25 7.25 3.00 17.50 10.50 5.00 TOLERANCE : ±0.5mm 2. SCHEMATIC : TOP VIEW LOAD 2 + 3 480VAC cosmo 40AMP A.C POWER 1 ELECTRONICS CORPORATION SOLID STATE RELAY TYPE KSD440AC8 INPUT 4-32VDC 4- 4-32VDC REV. 6 PRODUCT SPECIFICATION DATE: 05/27/11’ cosmo SOLID STATE RELAY： ELECTRONICS CORPORATION NO. 58082440 SHEET 2 OF 2 KSD440AC8 3.Absolute Maximum Ratings (Ta=25℃) Parameter Input Symbol Rating Unit Input signal voltage V IN 4~32 VDC Drop-out voltage V do 1 VDC IT 40 Arms Peak one cycle surge current (8.3ms) I surge 400 A Repetitive peak-off state voltage V DRM 800 V f 47~70 Hz Critical rate of rise of on-state current di/dt 50 A/us Load supply voltage V out 480 Vrms AC Isolation voltage input to output V iso 4000 Vrms Operating temperature T opr -30~100 ℃ Storage temperature T stg -30~125 ℃ Soldering temperature 10 sec T sol 300 ℃ RMS on-state current Output Operating frequency 4.Electrical Characteristics Parameter Input Output REV. 6 (Ta=25℃) Symbol Conditions V pu It=1Arms Input current I in Vin=4~32V On-state voltage VT I T =1Arms Operating current I op Vout=480vrms Leakage current I leak Vout=480vrms Pick-up voltage Critical rate of rise of MIN 5 MAX Unit 4 VDC 12 mA 1.5 Vrms 50 mArms 14 50 dv/dt TYP 200 mArms V/us off-state voltage YES Zero-cross voltage V ox Load Voltage Rating V out I T =50mArms MIN I FT V DRM =800V Isolation resistance input to output R ISO DC500V Turn-on time T on 60Hz AC 8.3 mS Turn-off time T off 60Hz AC 8.3 mS Thermal resistance (between junction and case) R th Minimum trigger current (j-c)l 75 480 VAC 25 mA 10 GΩ 1.3 ℃/W