28-1800 Vdc
Features:
Kilovac EV250-5A - 400 Amps ("Czonka II EVX")
Make & Break Load Switching
400 A carry, 2,500 A interrupt @ 320 Vdc
Hydrogen dielectric for power switching high
current loads
Internal Hall Effect contact position sensor
detects contact welds
Ideal for circuit protection, control, battery
switching, and main power safety disconnect
Versatile power, voltage, and current
operating range: 28-1800Vdc switch tested
Internal economizer provides:
−
4W typical hold power independent
of temperature & voltage variance
EMI spectrum tested and approved
−
Patented "hammer effect"
mechanism breaks light contact welds
Patented hermetically "Super-sealed"
environment chamber uniquely protects ALL
Features:
moving parts
Can operate in harsh environments
Moving contact rotates to provide fresh
contact surface for low contact resistance
and low power consumption
Sealed control connector. Mating connector
with flying leads P/N 2625 available, see
page 59
Bi-directional power switching
Fast operate and release time
Low power consumption
CONTACT RATINGS*
400A
9000A
1 0 0 , 0 0
1 0 , 0 0
1 , 0 0
1 0
0
0
0
0
0
1
Mom entary C arry
R egion
R egion of
C ontact
Levitation.
O peration
Prohibited
6
00V
2
70V
d
d
c
c
1
800
d
c
9
Auxiliary contacts
00V
V
d
c
1
1
0
1 0
0
1 , 0 0
0
1 0 , 0 0
0
1 0 0 , 0 0 0
1Ω
Ω
ΩΩ
Ω
Ω
Ω
Ω
ΩΩ
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Sw itching C urrent
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
* For circuit conditions and actual data refer toΩthe EV250 Hot Switch study. Since each application is unique, user is encouraged to verify rating
Ω
in actual application.
COIL DATA
PRODUCT SPECIFICATIONS
Part Number
Parameter
Units
UNIT
EV250-5A
EV250-5A
Contact Arrangement ..........................................................
Contact Form ........................................................................
Continuous Current Carry, Max. ........................................
6.5 Minutes ....................................................................
Break Current @ 320 Vdc ...................................................
Contact Resistance, Max. ...................................................
Contact Resistance, Typ. ....................................................
Dielectric at Sea Level (leakage < 1mA) ............................
Shock, 11 ms 1/2 Sine (peak), operating .........................
Vibration, Sinusoidal (80-2000 Hz, peak) .........................
Operating Ambient Temperature Range ............................
Load Life, @320 Vdc, 95% Weibull* .................................
Operate Time, 25oC ..............................................................
Close (includes bounce) Typ. .......................................
Bounce (after close only), Max. ....................................
Release Time (includes arcing), Max. at 2500 A ........
Insulation Resistance @ 500 Vdc, Min. ............................
Weight, Nominal ..................................................................
SPST-NO
Voltage* (nominal )
Pickup (close), max.
Hold, min.
Vdc
12
9
X
400
A
A
7
500
Dropout (open), min.
Current (@VsNom/ 25oC)
Inrush, max.
5
A
2,500
ohms
ohms
Vrms
G's peak
G's
0.0003
0.0001 - 0.0002
2,200
A
2.5
0.33
200
Holding, standby, max.
Inrush Time, max.
ms
30
*
Other special coil voltages available upon request
20
* * Do not use a free wheeling diode or capacitor across the coil.
Built in suppression limits back EMF to zero volts
oC
-40 to +85
See Page 19
cycles
For detailed specifications and recommendations,
refer to the EV250-5A sales drawings.
ms
ms
18
5
ms
15
Mohm
pound (kg)
100
1.76 (0.8)
* Refer to sales drawing, qualification test plan for actual mix of pre-charge and break currents used on each cycle.
CII Technologies
/ P.O. Box 4422 / Santa Barbara, CA 93140 / ph 805.684.4560 / fax 805.684.9679 / e-mail info@kilovac.com / website www.ciitech.com
18
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