OUTPUT SPECIFICATIONS (current)
Description 50 A
Maximum Load Current (3) [Arms] 50
Minimum Load Current [mArms] 150
Maximum Surge Current (16.6ms) [Apk] 625
Maximum On-State Voltage Drop @ Rated Current [Vpk] 1.6
Maximum I² t for Fusing (8.3 msec) [A²sec] 1620
25 A
25
150
250
1.6
Thermal Resistance Junction to Case (Rjc) [°C/W] 0.63
1.02
260
DataSheet
Control Relays
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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
Control Voltage 25 A
40-140 VAC MCBC1225
50 A
MCBC1250
180-280 VAC MCBC2425 MCBC2450
300-530 VAC MCBC4825 MCBC4850
90 A
MCBC1290
MCBC2490
MCBC4890
OUTPUT SPECIFICATIONS (voltage)
Description 240 V
Operating Voltage (47-63Hz) [Vrms] 180-280
Transient Overvoltage [Vpk] 600
Maximum Off-State Leakage Current @ Rated Voltage [mArms] 7
Minimum Off-State dv/dt @ Maximum Rated Voltage [V/μsec] (2) 200
480 V
300-530
1200
12
200
120 V
48-140
400
5
200
AVAILABLE OPTIONS
Required for valid part number
Product Type
BC: Burst Fire Controller
Series
MC
Line Voltage
12: 48-140 Vrms
24: 180-280 Vrms
48: 330-530 Vrms
U
Rated Current
25: 25 Amps
50: 50 Amps
90: 90 Amps
Analog Control Signal
A: 0-5 VDC
B: 0-7 VDC
C: 0-10 VDC
D: 4-20 mA
E: Internal Potentiometer
Time Base Period
F: 10 AC Cycles
L: 20 AC Cycles
24BC C
25 F
90 A
90
150
1200
1.6
0.28
6000
(1) Voltages are reference to GND (Ground = 0 VDC) P2
(2) PLVI voltage can go up to max. supply voltage without damage
GENERAL NOTES
DataSheet
Control Relays
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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)
DC Control
8-32 VDC
28-30 VDC
30K
5-32
0-4
0-1.25
0-5
0-7
0-10
PLV Range Option D [VDC][P4] (2)
Nominal Input Impedance Option A,B,C[ohms][P4]
Nominal Input Impedance Option D [ohms][P4]
4-20
20-K
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
ParametersDescription
Dielectric Strength, Input/Output/Base (50/60Hz) 4000 VRMS
Minimum Insulation Resistance (@ 500 VDC) 109 Ohm
Maximum Capacitance, Input/Output 10 pF
Ambient Operating Temperature Range -20 to 80°C
Ambient Storage Temperature Range -40 to 125 °C
3.0 oz (86.5g)
Weight (typical)
Thermally conductive Epoxy
Encapsulation
Screws and Saddle Clamps Furnished, Unmounted
Terminals-Control
Terminals-Power
Barrier Strip Screw Terminals
Recommended Terminal Screw Torque Range:
8-32 Screws -20 in. lbs.(Screws dry without grase)
DataSheet
Control Relays
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Copyright © 2017 Crydom Inc. Specifications subject to change without notice.
MECHANICAL SPECIFICATIONS
Tolerances: ±0.02 in / 0.5 mm
All dimensions are in: inches [millimeters]
Analog Input OPTIONS: A, B, C, D Analog Input OPTIONS: E (Internal Potentiometer)
1.87
[47.5]
2.30
[58.4]
OUTPUT
1/L1 2/T1
OUTPUT
STATUS
P4
P3
P2
P1
1.80
(45.7)
1.10
(27.9)
.78
(19.8)
.45
(11.4)
BASE PLATE
.125(3.2)
MOUNTING
HOLE/SLOT
0.192 (4.9) DIA. 8-32 TERMINAL
(2 PLACES)
1.87
[47.5]
2.30
[58.4]
OUTPUT
1/L1 2/T1
OUTPUT
STATUS P3
P2
P1
1.80
(45.7)
1.10
(27.9)
.78
(19.8)
.45
(11.4)
BASE PLATE
.125(3.2)
MOUNTING
HOLE/SLOT
0.192 (4.9) DIA. 8-32 TERMINAL
(2 PLACES)
THERMAL DERATE INFORMATION
0
10
15
5
20
25
30 95
100
110
120
5 10 15 20 25 20 40 60 80
25A
Power Dissipation
Load Current (Amps) Max Ambient Temp. (ºC)
NO HEATSINK
3˚C/W
2˚C/W
1˚C/W
Base Plate Temp (˚C)
0
20
40
60
95
100
110
120
10 20 30 40 50 20 40 60 80
50A
Power Dissipation
Base Plate Temp (˚C)
Load Current (Amps) Max Ambient Temp. (ºC)
2˚C/W
1˚C/W .5˚C/W
NO HEATSINK
1.5˚C/W
0
40
80
120 90
100
110
120
20 40 60 80 0 20 40 60 80
90A
Power Dissipation
Base Plate Temp (˚C)
Load Current (Amps) Max Ambient Temp. (ºC)
1˚C/W
.5˚C/W .4˚C/W
.2˚C/W
DataSheet
Control Relays
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www.crydom.com
Copyright © 2017 Crydom Inc. Specifications subject to change without notice.
Rev. 121012
AGENCY APPROVALS, CONFORMANCES AND EMC
WIRING DIAGRAM
OUTPUT VS ANALOG INPUT SIGNAL CURVES
Electrical Connections
(for Options A, B or C using an external potentiometer)
+Vdc
GND
Enable
Setpoint Adjust
DC
Supply
10k to 50k pot for
Options A, B or C
Terminal #4
Terminal #1
OUTPUT
STATUS
P1 8-32Vdc (+)
P2 Ground (-)
P3 ON/OFF Control
P4 0-5V, 0-7V, 0-10V, 4-20mA
Note: P2 also 4-20mA return
OUTPUT
AC
P1
10K - 50K
For A,B or C Option
P4
P2
1/L1 2/T1
+
21 43 Vdc5
0
2.81.4 5.64.2 Vdc7
0
42 86 Vdc10
0
10.47.2 16.813.6 mA
Input Signal P4
20
4
0
2
4
6
8
10
4
8
12
14
20
0
Duty Cycle vs Input Signa P4
AC Cycles On
(Complete Cycles Only)
Agency Approvals
DataSheet
Control Relays
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Copyright © 2017 Crydom Inc. Specifications subject to change without notice.
DANGER / PELIGRO / DANGER /GEFAHR / PERICOLO / 危险
HAZARD OF
ELECTRIC
SHOCK,
EXPLOSION,
OR ARC FLASH.
•Disconnect all
power before
installing or
working with
this equipment.
•Verify all
connections
and replace all
covers before
turning on
power.
Failure to follow
these
instructions will
result in death
or serious injury.
RIESGO DE
DESCARGA
ELECTRICA O
EXPLOSION.
•Desconectar
todos los
suministros de
energia a este
equipo antes
de trabajar
con este equipo.
•Verificar todas
las conexiones
y colocar todas
las tapas antes
de energizer
el equipo.
El
incumplimiento
de estas
instrucciones
puede provocar
la muerte o
lesiones serias.
RISQUE DE
DESCHARGE
ELECTRIQUE
OU EXPLOSION
•Eteindre
toutes les
sources
d'énergie de
cet appareil
avant de
travailler
dessus de cet
appareil
•Vérifier tous
connections, et
remettre tous
couverts en
olace avant de
mettre sous
De non-suivi de
ces instructions
provoquera la
mort ou des
lésions sérieuses
sérieuses.
GEFAHR EINES
ELEKTRISCHE
N SCHLAGES
ODER EINER
EXPLOSION.
•Stellen Sie
jeglichen
Strom ab, der
dieses Gerät
versorgt, bevor
Sie an dem
Gerät Arbeiten
durchführen
•Vor dem
Drehen auf
Energie alle
Anschlüsse
überprüfen
und alle
Abdeckungen
ersetzen.
Unterlassung
dieser
Anweisungen
können zum
Tode oder zu
schweren
Verletzungen
führen.
RISCHIO DI
SCOSSA
ELETTRICA O
DELL’ESPLOSIONE.
•Spenga tutta
l'alimentazione
che fornisce
questa
apparecchiatura
prima di lavorare
a questa
apparecchiatura
•Verificare tutti
i collegamenti
e sostituire
tutte le coperture
prima
dell’accensione
L'omissione di
queste istruzioni
provocherà la
morte o
lesioni serie
存在电击、
爆炸或电弧
闪烁危险
•
在操作此设
备之前请先
关闭电源。
若不遵守这些说明，
可能会导致严重的
人身伤害甚至死亡。
WARNING / AVERTISSEMENT / WARNUNG /ADVERTENCIA / AVVERTENZA / 警告
RISK OF MATERIAL DAMAGE AND HOT
ENCLOSURE
• The product's side panels may be hot, allow
the product to cool before touching.
• Follow proper mounting instructions including
torque values.
• Do not allow liquids or foreign objects to enter
this product.
Failure to follow these instructions can result in
serious injury, or equipment damage.
RISQUE DE DOMMAGE MATERIEL ET DE
SURCHAUFFE DU BOITIER
• Les panneaux latéraux du produit peuvent être
chauds. Laisser le produit refroidir avant de le
toucher.
• Respecter les consignes de montage, et
notamment les couples de serrage.
• Ne pas laisser pénétrer de liquide ni de corps
étrangers à l'intérieur du produit.
Le non-respect de cette directive peut entraîner,
des lésions corporelles graves ou des
dommages matériels.
Die Nichtbeachtung dieser Anweisung kann
Körperverletzung oder Materialschäden
zur Folge haben.
GEFAHR VON MATERIALSCHÄDEN UND
GEHÄUSEERHITZUNG
• Die Seitenwände können heiß sein. Lassen Sie
das Produkt abkühlen, bevor Sie es berühren.
• Beachten Sie die Montageanweisungen,
• Führen Sie keine Flüssigkeiten oder
Fremdkörper in das Produkt ein.
Si no se respetan estas precauciones pueden
producirse graves lesiones, daños materiales.
RIESGO DE DAÑOS MATERIALES Y DE
SOBRECALENTAMIENTO DE LA UNIDAD
• Los paneles laterales del producto pueden
estar calientes. Esperar que el producto se
enfríe antes de tocarlo.
• Respetar las instrucciones de montaje, y en
particular los pares de apretado.
• No dejar que penetren líquidos o cuerpos
extraños en el producto.
La mancata osservanza di questa precauzione può
causare gravi rischi per l'incolumità personale o
danni alle apparecchiature.
RISCHIO DI DANNI MATERIALI E D'INVOLUCRO
CALDO
• I pannelli laterali dell'apparecchio possono
scottare; lasciar quindi raffreddare il prodotto
prima di toccarlo.
• Seguire le istruzioni di montaggio corrette.
• Non far entrare liquidi o oggetti estranei in questo
apparecchio.
如不能正确执行这些操作说明，
极有可能造成严重人体伤害或者设备的损坏。
材料损坏和高温外壳的危险性
• 产品的一侧面板可能很热，在其冷却前请
不要触碰。
• 遵照正确的安装说明，包括扭矩值。
• 请勿让液体及其他异物进入本产品。
DataSheet
Control Relays
Do not forget to visit us at:
www.crydom.com
Copyright © 2017 Crydom Inc. Specifications subject to change without notice.
ANNEX - ENVIROMENTAL INFORMATION
The environmental information disclosed in this annex including the EIP Pollution logo are in compliance with People’s Republic of China
Electronic Industry Standard SJ/T11364 – 2006, Marking for Control of Pollution Caused by Electronic Information Products.
Part
Name
Toxic or hazardous Substance and Elements
Lead Mercury Cadmium Hexavalent Polybrominated Polybrominated
(Pb) (Hg) (Cd) Chromium
(Cr (VI))
biphenyls
(PBB)
diphenyl ethers
(PBDE)
Semiconductor die
Solder
附件 - 环保信息
此附件所标示的包括电子信息产品污染图标的环保信息符合中华人民共和国电子行业标准 SJ/T11364 - 2006,
电子信息产品污染控制标识要求。
有毒有害物质或元素件部
名称 铅 汞 镉 六价铬 多溴联苯 多溴二苯醚
(Pb) (Hg) (Cd) (Cr (VI)) (PBB) (PBDE)
半导体芯片
焊接点
50
