MCST2425ES Crydom Company, MCST2425ES Datasheet
MCST2425ES
Manufacturer Part Number
MCST2425ES
Description
Relay; 25 A; 180 to 280 V(RMS); Solid State; 1.8 in.; 2.3 in.; 20 lbs.-in.
Manufacturer
Crydom Company
Datasheet
1.MCST2425ES.pdf
(3 pages)
Specifications of MCST2425ES
Current, Ratings
25 A
Function
Soft Start
Height
2.3 in.
Length
1.8 in.
Relay Type
Solid State
Terminals
Screw, Saddle Clamp (Power), Barrier Strip Screw (Control)
Torque
20 lbs.-in.
Voltage, Rating
280 VAC
Lead Free Status / Rohs Status
RoHS Compliant part
G E N E R A L S P E C I F I C AT I O N S
M E C H A N I C A L S P E C I F I C AT I O N S
O U T P U T S P E C I F I C AT I O N S
INPUT SPECIFICATIONS*
© 2004 Crydom Corp, All Rights Reserved. Specifications are subject to change without prior notice. Crydom is a registered trademark of Silicon Power Corporation.
CrydomMCS_E0405.pdf page 1 of 3
Dielectric Strength 50/60Hz, Input/Output/Base
Insulation Resistance (Min.) @ 500 Vdc
Max. Capacitance Input/Output
Ambient Operating Temperature Range
Ambient Storage Temperature Range
Weight: (typical)
Encapsulation
Terminals - Power
Operating Voltage (47-63 Hz) [Vrms]
Transient Overvoltage [Vpk]
Max. Off-State Leakage Current @ Rated Voltage [mA]
Power Factor (Min.) with Max. Load
Maximum Voltage Drop (100% On) [Vpk]
Minimum Off-State dv/dt [V/µsec]
Max. Load Current [Arms]
Min. Load Current (mArms)
Max. Surge Current (16.6ms) [Apk]
Thermal Resistance Junction to Case (R
Maximum I
Max. Turn-On Time High Level P3
Max. Turn-Off Time High Level P3
DC Voltage Supply Range [Vdc] [P1]
Input Current [mA]
Control Must Operate Voltage “ON” [Vdc][P3]
Control Must Release Voltage “OFF” [Vdc][P3]
Input Current [mA] [P3]
Analog Range Option A [Vdc][P4]
Analog Range Option B [Vdc][P4]
Analog Range Option C [Vdc][P4]
Analog Range Option D [mA][P4]
Nominal Input Impedance Option A,B,C [Ohms][P4]
Nominal Input Impedance Option D [Ohms][P4]
*Voltages are reference to GND (Ground = 0Vdc) P2
2
Control
t for Fusing, (8.3 msec.) [A
>
>
>
>
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2
Soft-Start/Stop Controller and SSR in One Package
Microcontroller Based Technology
Adjustable Ramp Rates
Low Voltage, 4-20mA, or Potentiometer Control
LED Status Indicator
SCR Based Output Load Switching
Built-In Internal Snubber
s]
ØJC
) [°C/W]
Screws and Saddle Clamps Furnished, Unmounted
Adjustable
Minimum
1/2 Cycle
25 Amp
48-140
Barrier Strip Screw Terminals
1.02
1.25
400
200
150
260
0.5
1.6
250
ST
0.5
12
25
28
8
0
2
4
5
5
0
Thermally Conductive Epoxy
Voltage Suffix
Current Suffix
3.0 oz. (86.5g)
-40 to 125°C
-20 to 80°C
Adjustable Adjustable
4000 Vrms
1/2 Cycle
10
180-280
50 Amp
Typical
10 pF
1620
9
0.63
20K
600
200
150
625
220
0.5
1.6
SP
24
50
12
Ohm
7
Adjustable
Maximum
300-530
90 Amp
1200
1200
6000
0.28
200
150
SS
0.5
1.6
2.6
48
12
90
32
30
32
10
20
4
5
7
25-90Amp - 120/480 Vac - AC OUTPUT
The MCST, MCSP and MCSS series of controls is
designed to provide adjustable surge reducing
soft-start and soft-stop control for any load which
would benefit from a gradual application or
shutdown of power, and provide Crydom SSR
switching within one package.
The MCS Controls are available with either soft-
start, or soft-stop functions separately, or as a
combined soft-start/soft-stop control. With
adjustable ramp times from 100ms to 10 seconds in
two ranges, these controls are ideal for reducing
starting current surges in motors, in preventing
saturation when switching transformers, or in
reducing reverse EMF surges when de-energizing
large inductive loads. Incorporating 4000 volt
isolation from input to output, the MCS series
allows real time adjustment of the ramp rates from
a remote source using analog voltage or current
control. Once the desired ramp rate is set using
the analog input, a simple digital signal applied to
the ON/OFF control input will operate the control.
The MCS is also available with a built-in
potentiometer for use where remote or continuous
adjustment is not needed.
series MCS
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MCST2425ES Summary of contents
Page 1
Soft-Start/Stop Controller and SSR in One Package > Microcontroller Based Technology > Adjustable Ramp Rates > Low Voltage, 4-20mA, or Potentiometer Control > LED Status Indicator > SCR Based Output Load Switching > Built-In Internal Snubber ...
Page 2
Part Number Nomenclature SS Electrical Connections AC LOAD P4 P1 OUTPUT 2/T1 1/L1 10K - 50K For A Option OUTPUT STATUS P1 8-32Vdc (+) P2 Ground (-) P3 ON/OFF Control P4 0-5V, 0-7V, 0-10V, 4-20mA Soft Start 100% ...
Page 3
Ramp Time in Seconds Option S (1 sec) 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 Option A 5Vdc Option B 7Vdc 0.3 Option C 10Vdc 0.2 0 Analog Input Voltage P4 ...