MCTC Series
• Microprocessor based temperature controller / SSR
• Ratings from 25A to 90A @ 48-530 VAC
• Direct J or K thermocouple input
• Voltage or current controlled setpoint
• Separate output enable / disable control
• Open thermocouple protection
• LED status indicators
• Optional 5Vdc output voltage for setpoint voltage
Reference
• For use with resistive loads only
PRODUCT SELECTION
Description
280 VAC
480 VAC
25 A
MCTC2425
MCTC4825
50 A
MCTC2450
MCTC4850
90 A
MCTC2490
MCTC4890
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]
240 VAC
24-280
600
7
200
480 VAC
48-530
1200
12
200
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]
Minimum Power Factor (with Maximum Load)
25 A
25
150
250
1.6
1.02
260
0.5
50 A
50
150
625
1.6
0.63
1620
0.5
90 A
90
150
1200
1.6
0.28
6000
0.5
INPUT SPECIFICATIONS (1)
Description
P1 Voltage Supply Range (VDC)
P1 Supply Current Range [mA] (2)
Control Nominal Input Impedance [Ohms] [P3]
Control Must Operate Voltage "On"[VDC][P3]
Control Must Release Voltage "Off" [VDC][P3]
Control Input Current [mA][P3]
PLVI Range Option A [VDC][P4] (3)
PLVI Range Option B [VDC][P4] (3)
PLVI Range Option C [VDC][P4] (3)
PLVI Range Option D [ma][P4] (3)
Nominal Input Impedance Option A,B,C[ohms][P4]
Nominal Input Impedance Option D [ohms][P4]
Output Voltage [VDC][P5]
Maximum Output Current [mA][P5]
DC Control
8-32
28-30
30K
5-32
0-4
0-1.25
0.8-5
1-7
2-10
4-20
20K
220
4.75-5.25
10
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)
OUTPUT STATUS FUNCTIONS
Description
Initial Logic Supply On
Operating (to 85 % of set point)
Approaching Setpoint
At Setpoint (± 5%)
Over Setpoint (>5%) (4)
Short-Cycle Timing ("R" suffix only)
Open Thermocouple
GREEN LED (setpoint)
Flash Once
Off
Off
On
Flashing
Flash 2x Intermittently
Flash 3x Intermittently
RED LED (output)
Flash Once
On
Variable Flashing
Slow Flashing
Off
Off
Off
GENERAL NOTES
1)
2)
3)
4)
Voltages are reference to GND (Ground = 0 VDC) P2
Input current may vary with –E option.
PLVI voltage can go up to max. supply voltage without damage.
Below Setpoint for “R” suffix
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