Control Relays
DataSheet
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
Control Voltage
280 VAC
25 A
MCTC2425
MCTC4825
50 A
MCTC2450
MCTC4850
90 A
MCTC2490
MCTC4890
480 VAC
AVAILABLE OPTIONS
Setpoint Input
A: 0-5 VDC
B: 0.7 VDC
C: 0-10 VDC
D: 4-20 mA
Line Voltage
24: 24-280 Vrms
48: 48-530 Vrms
Termocouple Type
J: Type J
K: Type K
Series
TC
MC
24
25
UJ
UL
A
E
Aditional Features
E: 5Vdc Output
Rated Current
25: 25 Amps
50: 50 Amps
90: 90 Amps
Temperature Range
L: 100˚F to 500˚F,
38˚C to 260˚C
Product Type
TC: Temperature
Controller
Valid only with Setpoint input A
(0-5Vdc)
H: 300˚F to 700˚F,
149˚C to 371˚C
VH: 500˚F to 900˚F,
260˚C to 482˚C
Required for valid part number
EH: 700˚F to 1100˚F,
371˚C to 593˚C
R: +100˚F to -100˚F,
+38˚C to -73˚C
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
480 VAC
48-530
1200
24-280
600
7
12
200
200
OUTPUT SPECIFICATIONS (current)
Description
Maximum Load Current [Arms]
25 A
25
50 A
50
90 A
90
Minimum Load Current [mArms]
Maximum Surge Current (16.6ms) [Apk]
Maximum On-State Voltage Drop @ Rated Current [Vpk]
150
250
1.6
150
625
1.6
150
1200
1.6
Thermal Resistance Junction to Case (Rjc) [°C/W]
Maximum l2t for Fusing (8.3 msec) [A2sec]
Minimum Power Factor (with Maximum Load)
1.02
260
0.5
0.63
1620
0.5
0.28
6000
0.5
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