May 24th, 2012
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Products - World Products - Thermally Protected Varistors (EVTD Series)

EVTD Technology (Thermally Protected Varistors)


Features | Electrical Characteristics | Dimensions | Part Number System

Features

  • High energy handling capability
  • Wide voltage range available: 50VAC – 550VAC
  • Multiple diagnostic options (micro switch locations both on top & bottom, on top only or on bottom only)
  • Industry standard footprint
  • UL1449 3rd Edition (PENDING)
  • RoHS compliant
  • Exceeds industry standard operating and storage temperatures for this type of device. Rated at -40ºC to +85º
  • Patent Pending

Electrical Characteristics

Part
Number
Maximum Continuous
Rated Voltage
Varistor Voltage
@1.0 mA (DC)
Maximum Clamping
Voltage
Maximum Peak
Current
(8/20μs KA)
Maximum
Energy
AC RMS
Volts
DC
Volts
Min
Volts
Nominal
Max
Volts
VC
(Volts)
IP
(Amps)
15 pulses*
1 pulse
10/1000µs
(joule)
EVTD34V50K
50
65
74
82
90
135
300
20
45
156
EVTD34V60K
60
85
90
100
110
165
300
20
45
195
EVTD34V75K
75
100
108
120
132
200
300
20
45
235
EVTD34V150K
150
200
222
246
270
395
300
20
50
480
EVTD34V180K
180
230
256
283
310
470
300
20
50
540
EVTD34V250K
250
320
371
410
449
650
300
20
50
830
EVTD34V275K
275
350
410
453
496
710
300
20
50
920
EVTD34V300K
300
385
423
471
517
775
300
20
50
1000
EVTD34V320K
320
415
459
510
561
845
300
20
50
1060
EVTD34V385K
385
505
558
620
682
1025
300
20
50
1250
EVTD34V420K
420
560
612
680
748
1120
300
20
50
1250
EVTD34V460K
460
615
675
750
825
1240
300
20
50
1280
EVTD34V510K
510
670
738
820
902
1355
300
20
50
1395
EVTD34V550K
550
745
819
910
1001
1500
300
20
50
1475

*I(n) sequencing according to UL1449 3rd Edition.

Dimensions
(mm)

L
43.9
W
42.8
W1
41
T
16
F
25.5
L1
17.8

Note: Tolerance for all
dimensions above +/- 1mm.


Part Number System

EVTD  
1		 34
2		 V
3		 50
4		 K
5		 A
6
1 Series
EVTD = EV Series Varistor TD Thermal Disconnect
 
2  Disk Size
34 = 34mm
 
3 Type
V = High Current EV Varistor Series
 
4 AC RMS Voltage Rating
50 = 50VAC
 
5 Tolerance
K = ±10%
 
6 Microswitch Location Option
Nil = Top and Bottom
A = Top only
B = Bottom only
 
 
 

For technical information contact Omni Pro Electronics at (800) 926-8926 or sales@omnipro.net

Omnipro Electronics, Real Service From Real People
3220 Commander Drive, Suite 102, Carrollton, TX 75006 USA
Phone: (972) 713-9000, Toll-free: (800) 926-8926, Fax: (972) 713-6032
E-mail: sales@omnipro.net

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