CMD/CMA24 Series • Ratings from 25A to 125A @ 24-280 VAC • SCR output for heavy industrial loads • AC or DC control • LED input status indicator • Zero-crossing (resistive loads) or random-fire (inductive loads) output • IP20 touch-safe housing • Standard box-clamp connections PRODUCT SELECTION Control Voltage 25A 50A 75A 90A 110A 125A 3-32 VDC 90-140 VAC 18-36 VAC CMD2425 CMA2425 CMA2425E CMD2450 CMA2450 CMA2450E CMD2475 CMA2475 CMA2475E CMD2490 CMA2490 CMA2490E CMD24110 CMA24110 CMA24110E CMD24125 CMA24125 CMA24125E AVAILABLE OPTIONS OUTPUT SPECIFICATIONS (1) 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] (2) Maximum Load Current (3) [Arms] Minimum Load Current [Arms] Maximum 1 Cycle Surge Current (50/60) [Apk] Maximum On-State Voltage Drop @ Rated Current [Vpk] Thermal Resistance Junction to Case (Rjc) [°C/W] Maximum I² t for Fusing 50/60Hz (1/2 cycle) [A² sec] Minimum Power Factor (with Maximum Load) 25A 50A 75A 90A 110A 125A 24-280 600 10 500 25 0.15 239/250 1.6 1.02 285/259 0.5 24-280 600 10 500 50 0.15 597/625 1.6 0.63 1779/1621 0.5 24-280 600 10 500 75 0.25 954/1000 1.6 0.31 4555/4150 0.5 24-280 600 10 500 90 0.25 1145/1200 1.6 0.28 6560/5976 0.5 24-280 600 10 500 110 0.25 1432/1500 1.6 0.25 10249/9338 0.5 24-280 600 10 500 125 0.025 1670/1750 1.6 0.22 13950/12709 0.5 INPUT SPECIFICATIONS (1) Description Control Voltage Range Maximum Reverse Voltage Minimum Turn-On Voltage Minimum Turn-Off Voltage Maximum Input Current Typical Input current Maximum Turn-On Time [msec] (4) Maximum Turn-Off Time [msec] CMD CMA 3-32 VDC 32 VDC 3.0 VDC 1.0 VDC 30 mA 17 mA @ 5 VDC 1/2 Cycle 1/2 Cycle 90-140 Vrms 90 Vrms 10 Vrms 15 mA @ 120 Vrms 10 40 GENERAL SPECIFICATIONS Description Dielectric Strength, Input/Output/Base (50/60Hz) Minimum Insulation Resistance (@ 500 VDC) Maximum Capacitance, Input/Output Ambient Operating Temperature Range Ambient Storage Temperature Range Status Indicating Display Weight (typical) Encapsulation Terminals Maximum Wire Size-Output: Maximum Wire Size-Input: Recommended Terminal Screw Torque Range: GENERAL NOTES 1) All parameters at 25°C unless otherwise specified. 2) Off-State dv/dt test method per EIA/NARM standard RS-443, paragraph 13.11.1 3) HEAT SINKING REQUIRED, FOR DERATING curves see page 2. 4) Turn-on time for DC control random turn-on versions is 0.02msec 5) Input circuitry incorporates active current limiter Parameters 4000 Vrms 109 Ohm 8 pF -40 to 80 °C -40 to 125 °C Green LED 3.0 oz (86.5 g) Thermally conductive Epoxy Cage type AWG 8 (3.8mm) AWG 12 (2.5mm) Output: 10-15 in lb (1.1-1.7 Nm) Input: 5-6 in lb (0.6-0.7 Nm) MECHANICAL SPECIFICATIONS THERMAL DERATE INFORMATION AGENCY APPROVALS Designed in accordance with the requirements of IEC 62314 UL E116949, E116950 LR81689 126921 UG (up to 90A models only) Rev. 113011 ANNEX - ENVIROMENTAL INFORMATION