EV250-8B [TE]
Kilovac EV250-2A & 2B - 400 Amps; KILOVAC EV250-2A和2B - 400安培
| 型号： | EV250-8B |
| 厂家： | 
TE CONNECTIVITY |
| 描述： | Kilovac EV250-2A & 2B - 400 Amps |
| 文件： | 总2页 (文件大小：294K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
28-1800 Vdc
Features:
Kilovac EV250-2A & 2B - 400 Amps ("Czonka II EVX")
Make & Break Load Switching
Hydrogen dielectric for power switching high
current loads
400 A carry, 2,500 A interrupt @ 320 Vdc
Ideal for circuit protection, control, battery
switching, and main power safety disconnect
Versatile power, voltage, and current
operating range: 28-1800Vdc tested
Internal coil economizer provides:
−
4W typical hold power independent
of temperature & voltage range
EMI spectrum tested and approved
Built-in coil suppression
−
−
Patented "hammer effect" mechanism breaks
light contact welds
Patented hermetically "Super-sealed"
environment chamber uniquely protects ALL
moving parts
Note: Dimensions in inches. Multiply values by 25.4 for dimensions in mm.
Can operate in harsh environments
Moving contact rotates to provide fresh
contact surface for low contact resistance
and low power comsumption
CONTACT RATINGS*
4 0 0 A
9 0 0 0A
1 0 0 , 0 0 0
1 0 , 0 0 0
1 , 0 0 0
1 0 0
M o m enta ry C a rry
R eg io n
Sealed control connector. Mating connector
with flying leads P/N 2005 available, see
page 59
1 2 0 V
Special versions available:
d c
R eg io n o f
C on ta ct
L e vita tion .
O pe ratio n
P ro h ib ite d
−
Economical (-8A/B) for light duty
power switching (without arc blowout
magnets
1 8 0 0
−
10 inch flying leads model (-7A)
9 0 0 V
V
d
d c
c
1 0
1
1
1 0
1 0 0
1 , 0 0 0
1 0 , 0 0 0
1 0 0 , 0 0 0
Sw itching Current
* For circuit conditions and actual data refer to the EV250 hot switch study. Since each application is unique, user is encouraged to verify rating in
actual application.
PRODUCT SPECIFICATIONS
COIL DATA**
Parameter
EV250-2A EV250-2B Units
UNIT
EV250-2A
SPST-NO
X
EV250-2B
SPST-NO
X
Part Number
Voltage* (nominal )
Pickup (close), max.
Hold, Min.
12
9
24
18
14
10
Vdc
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, 25o C .............................................................
Close (includes bounce) Typ. ......................................
Bounce (after close only), Max. ..................................
Release Time (includes arcing), Max. @ 2500A ........
Insulation Resistance @ 500 Vdc, Min. ............................
Weight, Nominal ..................................................................
A
A
400
400
7
500
500
Dropout (open), min.
Current (@VsNom/ 25oC)
Inrush
5
A
2,500
2,500
A
ohms
ohms
Vrms
G's peak
G's
0.0003
0.0001 - 0.0002
2,200
0.0003
0.0001 - 0.0002
2,200
2.8
0.34
200
1.8
0.11
200
Holding, standby,
A
Inrush Time, max.
ms
30
30
* Other special coil voltages available upon request.
* * Do not use free wheeling diode or capacitor across the coil. Built in
a
20
20
suppression limits back EMF to zero volts
oC
-40 to +85
See Page 19
-40 to +85
See Page 19
PART NUMBER SELECTION
cycles
Sample Part No.
Model
2 = with blowout magnets
8 = without blowout magnets
7 = 10" flying leads
(12 V, with magnets only)
Coil Voltage
EV250-2
A
ms
ms
18
5
18
5
ms
15
15
Mohm
pound (kg)
100
100
A = 12 Vdc, Nominal
B = 24 Vdc, Nominal
1.76 (0.8)
1.76 (0.8)
* Refer to sales drawing, qualification test plan for actual mix of precharge and break currents used on each cycle.
For detailed specifications and recommenda-
tions, refer to the EV250-2A & B or 7A sales
drawings.
Tyco Electronics / www.tycoelectronics.com / Factory Direct Technical Support: 800-253-4560, ext. 2023 (U.S., Canada, Mexico) or 805-220-2020, ext. 2023 (International)
17
EV250 Contact Ratings
CURRENT vs TIME
CONTACTS CLOSED INTO 70% AND 90% CAPACITOR PRE CHARGE
750
700
650
600
550
500
450
400
350
300
250
200
150
100
50
0
0
1
2
3
4
5
6
7
8
LIFE RATINGS AND QUALIFICATION TEST PLAN
Norm al Operations
1
Abnorm al Operations
Test #
Current
Voltage
2
3
-250 A
320 V
4
reference graph and
test circuit diagram (sht. 8)
2500 A
320 V
Capacitive
90%
Capacitive
Resistive
N/A
m ake/ break
Resistive
N/A
break only
Load Type
% Pre Charge
Switch Mode
70%
m ake
only
m ake
only
Sequence
10K cycles
10K
10 cycles
2
2
2
2
2
2
2
1
2
3
4
5
10
10
10
10
10K
10K
10K
Etc.
Continue Cycling to Relay Failure
The testing objective is to verify proper relay function for a given num ber of consecutive and cumulative
cycles under both norm al and abnormal conditions in a variety of load switching applications. The life
rating of 40K cycles minimum was calculated with 95% W eibull reliability.
Electrical Data (Over Temperature Range - Max. Terminal Temp. = 200oC)
Make/Break Life for Capacitive & Resistive Loads at 320 Vdc (1) (2)
@ 90% capacitive pre-charge
@ 70% capacitive pre-charge
Cycles
Cycles
Cycles
Cycles
Cycles
50,000
50
10
@ -250 A (2 consecutive, reverse polarity) (1)
@ 3300 A (break only, 2 consecutive) (1)
Mechanical Life
4
100,000
(1) Resistive load includes inductance L = 25 uH. Load @ 2500 A tested @ 200 uH.
(2) Conductor: 2 each of Copper 54 mm2 (AWG 0) required for > 250 A carry.
≤
1 Copper (AWG 0) conductor recommneded for 250 A
(3) Life based on projected Weibull Life with 95% Reliability
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
19
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