Datasheet
MCBC Series
• Microprocessor based burst-fire controller / SSR
• Ratings from 25A to 90A @ 48-530 VAC
• Low-voltage, current, or potentiometer control
• Output status indicator
• Separate output enable / disable control
• Two time-base periods available
PRODUCT SELECTION
Line Voltage 25 A 50 A 90 A
40-140 VAC MCBC1225 MCBC1250 MCBC1290
180-280 VAC MCBC2425 MCBC2450 MCBC2490
300-530 VAC MCBC4825 MCBC4850 MCBC4890
AVAILABLE OPTIONS
OUTPUT SPECIFICATIONS (voltage)
Description 120 VAC 240 VAC 480 VAC
Operating Voltage (47-63Hz) [Vrms] 48-140 180-280 300-530
Transient Overvoltage [Vpk] 400 600 1200
Maximum Off-State Leakage Current @ Rated Voltage [mArms] 5 7 12
Minimum Off-State dv/dt @ Maximum Rated Voltage [V/µsec] (2) 200 200 200
OUTPUT SPECIFICATIONS (current)
Description 25 A 50 A 90 A
Maximum Load Current (3) [Arms] 25 50 90
Minimum Load Current [mArms] 150 150 150
Maximum Surge Current (16.6ms) [Apk] 250 625 1200
Maximum On-State Voltage Drop @ Rated Current [Vpk] 1.6 1.6 1.6
Thermal Resistance Junction to Case (Rjc) [°C/W] 1.02 0.63 0.28
Maximum I² t for Fusing (8.3 msec) [A²sec] 260 1620 6000
Minimum Power Factor (with Maximum Load) 0.5 0.5 0.5






