MCS Series • • • • • Microprocessor based soft-start / soft-stop controller Ratings from 25A to 90A @ 48-530 VAC Low-voltage, current, or potentiometer control Output status indicator Adjustable ramp rates PRODUCT SELECTION Line Voltage 120 Vrms 240 Vrms 480 Vrms 25 A 50 A 90 A MCST1225 MCST2425 MCST4825 MCST1250 MCST2450 MCST4850 MCST1290 MCST2490 MCST4890 AVAILABLE OPTIONS OUTPUT SPECIFICATIONS (voltage) Description Operating Voltage (47-63Hz) [Vrms] Transient Overvoltage [Vpk] Maximum Off-State Leakage Current @ Rated Voltage [mArms] Minimum Off-State dv/dt @ Maximum Rated Voltage [V/µsec] 120 VAC 240 VAC 480 VAC 48-140 400 5 200 180-280 600 7 200 300-530 1200 12 200 25 A 50 A 90 A 25 150 250 1.6 1.02 260 50 150 625 1.6 0.63 1620 90 150 1200 1.6 0.28 6000 OUTPUT SPECIFICATIONS (current) Description Maximum Load Current [Arms] Minimum Load Current [mArms] Maximum Surge Current (16.6ms) [Apk] Maximum On-State Voltage Drop @ Rated Current [Vpk] Thermal Resistance Junction to Case (Rjc) [°C/W] Maximum I²t for Fusing (8.3 msec) [A²sec] INPUT SPECIFICATIONS (1) Description Control Voltage Range (VDC) Input Current Range [mA] Nominal Input Impedance [Ohms] Control Must Operate Voltage "On"[VDC][P3] Control Must Release Voltage "Off" [VDC][P3] Input Current [mA][P3] Analog Range Option A [VDC][P4] Analog Range Option B [VDC][P4] Analog Range Option C [VDC][P4] Analog Range Option D [VDC][P4] Nominal Input Impedance Option A,B,C[ohms][P4] Nominal Input Impedance Option D [ohms][P4] DC Control 8-32 28-30 30K 5-32 0-4 0-2.6 0.5-5 1.25-7 2-10 4-20 20K 220 GENERAL SPECIFICATIONS Description Minimum Power Factor (with Maximum Load) Dielectric Strength, Input/Output/Base (50/60Hz) Minimum Insulation Resistance (@ 500 V DC) Maximum Capacitance, Input/Output Ambient Operating Temperature Range Ambient Storage Temperature Range Weight (typical) Encapsulation Terminals-Power Terminals-Control Recommended Terminal Screw Torque Range: Parameters 0.5 4000 Vrms 109 Ohm 10 pF -20 to 80°C -40 to 125 °C 3.0 oz (86.5g) Thermally conductive Epoxy Screws and Saddle Clamps Furnished, Unmounted Barrier Strip Screw Terminals 8-32 Screws -20 in. lbs.(Screws dry without grase) Input Connections via Screw Type Barrier Strip GENERAL NOTES 1) Voltages are reference to GND (Ground = 0 VDC ) P2 OUTPUT STATUS FUNCTIONS Conditions Initial Logic Supply On Load Voltage Missing / Load Open (w/control P3 disabled) Load Voltage Missing / Load Open (w/control P3 enabled)) Ramp Time (Soft Start upon P3 Enabled) Ramp Time (Soft Start upon P3 Disabled) Output ON (Normally Steady Operation) THERMAL DERATE INFORMATION LED Status Flash Once Flash Once Intermittenly Off Off to Bright Bright to Off On MECHANICAL SPECIFICATIONS RAMP TIME IN SECONDS AGENCY APPROVALS UL E116949 Rev. 082609 ANNEX - ENVIROMENTAL INFORMATION