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
• For use with resistive loads only
PRODUCT SELECTION
Line Voltage
40-140 VAC
180-280 VAC
300-530 VAC
25 A
MCBC1225
MCBC2425
MCBC4825
50 A
MCBC1250
MCBC2450
MCBC4850
90 A
MCBC1290
MCBC2490
MCBC4890
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] (2)
120 VAC
48-140
400
5
200
240 VAC
180-280
600
7
200
480 VAC
300-530
1200
12
200
OUTPUT SPECIFICATIONS (current)
Description
Maximum Load Current (3) [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 I² t for Fusing (8.3 msec) [A²sec]
25 A
25
150
250
1.6
1.02
260
50 A
50
150
625
1.6
0.63
1620
90 A
90
150
1200
1.6
0.28
6000
INPUT SPECIFICATIONS (1)
Description
Control Voltage Range (VDC)
Input Current Range [mA] [P1]
Nominal Input Impedance [Ohms] [P3]
Control Must Operate Voltage "On"[VDC][P3]
Control Must Release Voltage "Off" [VDC][P3]
Control Input Current [mA][P3]
PLV Range Option A [VDC][P4] (2)
PLV Range Option B [VDC][P4] (2)
PLV Range Option C [VDC][P4] (2)
PLV Range Option D [VDC][P4] (2)
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
0-1.25
0-5
0-7
0-10
4-20
20K
220
OUTPUT STATUS FUNCTIONS
Conditions
Initial Logic Supply On
Load Voltage Missing / Load Open (w/control disabled)
Load Voltage Missing / Load Open (w/control enabled))
Analog Input < Threshold
Analog Input < Threshold < max
Analog Input > max
LED
Flash Once
Flash Once Intermittenly
Flash Twice Intermittently
Off
Varying On/Off
On, Bright
GENERAL SPECIFICATIONS
Description
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
4000 Vrms
10
9
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)
GENERAL NOTES
1) Voltages are reference to GND (Ground = 0 VDC) P2
2) PLVI voltage can go up to max. supply voltage without damage
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