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The Crydom MCPC series of Proportional Control Relays
incorporate a complete phase-fired logic system and Solid
State Relay in one small industry standard package. The MCPC
uses microprocessor control relay logic, accepts a wide range
input logic power supply, provides an output load status
indicator, and five modes of analog control input along with an
Enable/Disable control.
The MCPC does not require any calibration adjustment, is
optically isolated to 4000Vrms, includes an internal snubber
network, and is available in load ratings up to 90A and 530Vac.
The Crydom MCPC series is particularly suited to applications
such as tungsten lamp dimming, vibratory feeders, universal
motor control, and resistive heating element control.
The Crydom MCTC is a unique self-contained state of the art basic
Temperature Control Relay that combines all the necessary functions
into one easy to set up and use standard size package. The MCTC
is ideal for temperature control users that do not need multiple
built-in options, displays, and functions that they will never use.
The MCTC requires only a single, non-regulated low current DC
source, (10-32Vdc at 32mA max.), and a type J or K thermocouple,
to be able to accurately control heater and cooling compressor
loads up to 530Vac at 90A. The unit incorporates an internally
compensated thermocouple input, 5 available temperature ranges
including an inverse function refrigeration version, with adjustable
setpoint using analog low voltage or 4-20mA inputs, separate
output enable/disable control, and built in Crydom Solid State Relay
technology for load control. With integrated zerocross burst firing,
and proportional derivative control to avoid set-point overshoot†,
the unit also includes 2 LED status indicators for visual reference of
operation and setpoint conditions.
MCTC
Solid State Temperature
Control Relay
25-90Amp
120/480 Vac
AC Output
cdVsmrAsmrV
MCTC2425JLA 24-280 .15-25 J 100 to 500 0-5 UL
MCTC2450JLA 24-280 .15-50 J 100 to 500 0-5 UL
MCTC2490JLA 24-280 .15-90 J 100 to 500 0-5 UL
MCTC2425JHB 24-280 .15-25 J 300 to 700 0-7 UL
MCTC2450JHB 24-280 .15-50 J 300 to 700 0-7 UL
MCTC2490JHB 24-280 .15-90 J 300 to 700 0-7 UL
MCTC2425JHC 24-280 .15-25 J 300 to 700 0-10 UL
MCTC2450JHC 24-280 .15-50 J 300 to 700 0-10 UL
MCTC2490JHC 24-280 .15-90 J 300 to 700 0-10 UL
MCTC4825JLA 48-530 .15-25 J 100 to 500 0-5 UL
MCTC4850JLA 48-530 .15-50 J 100 to 500 0-5 UL
MCTC4890JLA 48-530 .15-90 J 100 to 500 0-5 UL
MCTC4825JHB 48-530 .15-25 J 300 to 700 0-7 UL
MCTC4850JHB 48-530 .15-50 J 300 to 700 0-7 UL
MCTC4890JHB 48-530 .15-90 J 300 to 700 0-7 UL
MCTC4825JHC 48-530 .15-25 J 300 to 700 0-10 UL
MCTC4850JHC 48-530 .15-50 J 300 to 700 0-10 UL
MCTC4890JHC 48-530 .15-90 J 300 to 700 0-10 UL
Other ranges available
MCPC
Solid State Proportional
Control Relay
25-90Amp
120/480 Vac
AC Output
Temperature Control/SSR in One Package
Direct J or K Internally Compensated Thermocouple Input
Four Heating Ranges Available with Burst Fire Control
Setpoint is Adjustable by Voltage or 4-20mA Control
Separate Output Enable/Disable Control
SCR Based Output Load Switching
Open Thermocouple Protection Feature
One Refrigeration Range Available with Built-In 2 Minute Short-Cycle
Protection
Phase Angle Control/SSR in One Package
Low Voltage, Current or Potentiomer Control
Output Status Indicator (Load Open, No Voltage)
0-100% Control Range
Separate Output Enable/Disable Control
SCR Based Output Load Switching
Internal Snubber Network
Line Voltage
Range
Load Current
Range
Thermocouple
Typ e
Temp.
Range °F
Setup Input
Range
Vrms Arms Vdc
MCPC2425A 180-280 .15-25 0-5 UL
MCPC2450A 180-280 .15-50 0-5 UL
MCPC2490A 180-280 .15-90 0-5 UL
MCPC2425B 180-280 .15-25 0-7 UL
MCPC2450B 180-280 .15-50 0-7 UL
MCPC2490B 180-280 .15-90 0-7 UL
MCPC2425C 180-280 .15-25 0-10 UL
MCPC2450C 180-280 .15-50 0-10 UL
MCPC2490C 180-280 .15-90 0-10 UL
MCPC4825A 330-530 .15-25 0-5 UL
MCPC4850A 330-530 .15-50 0-5 UL
MCPC4890A 330-530 .15-90 0-5 UL
MCPC4825B 330-530 .15-25 0-7 UL
MCPC4850B 330-530 .15-50 0-7 UL
MCPC4890B 330-530 .15-90 0-7 UL
MCPC4825C 330-530 .15-25 0-10 UL
MCPC4850C 330-530 .15-50 0-10 UL
MCPC4890C 330-530 .15-90 0-10 UL
Other ranges available
Line Voltage
Range
Load Current
Range
Analog
Input
Range
Control Relays
16
Questions? Call or e-mail
+1 (877) 502 5500
+44 (0) 1202 606030
sales@crydom.com
sales-europe@crydom.com
Americas
Europe
Part Number Nomenclature
C2524PCMC
Proportion Load
Voltage Input
A: 0-5Vdc
B: 0-7Vdc
C: 0-10Vdc
D: 4-20mA
E: Internal Potenciometer
Line Voltage
12: 48-140Vrms
24: 180-280Vrms
48: 330-530Vrms
Product Type
PC: Proportional
Controller
Rated Current
25: 25 Amps
50: 50 Amps
90: 90 Amps
SERIES
Part Number Nomenclature
L AJ2524TCMC
Temp. Range
L: 100°F to 500°F, 38°C to 260°C
H: 300°F to 700°F, 149°C to 371°C
VH: 500°F to 900°F, 260°C to 482°C
EH: 700°F to 1100°F, 371°C to 593°C
R : +100°F to -100°F, +38°C to -73°C
Thermocouple
Type
J: Type J
K: Type K
Setpoint Input
A: 0-5Vdc
B: 0-7Vdc
C: 0-10Vdc
D: 4-30mA
Aditional Features
E: On board
regulated 5Vdc
source included,
available only
with Setpoint
Input A (0-5Vdc)
Line Voltage
24: 180-280Vrms
48: 330-530Vrms
Product Type
TC: Temperature
Controller
Rated Current
25: 25 Amps
50: 50 Amps
90: 90 Amps
SERIES
E
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