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Zinc Oxide Varistors
VB 32 Blocks
DIMENSIONS millimeters (inches)
15...45°
5 (.197)
5 (.197)
o 5.1 (.201)
20 (.787)
44 (1.73)
20 (.787)
HOW TO ORDER
VB32 M 0
0421
K
––
Type Material
RMS
Tolerance Suffix
Operating Voltage
GENERAL CHARACTERISTICS
Max. operating temperature: +85°C
Storage temperature: -40°C to +85°C
MOUNTING
Ø 5 mm holes for screwing
500 mm long, 6 mm2 insulated copper cables
PACKAGING
Bulk or three units per box (one for each phase)
MARKING
Type
AC nominal voltage (EIA code)
Logo
PARTICULAR CHARACTERISTICS
Type
VB32M00251K- -
VB32M02750K- -
VB32M00321K- -
VB32M00381K- -
VB32M00421K- -
VB32M00461K- -
VB32M00511K- -
VB32M00750K- -
Max. operating Nominal voltage
voltage
at 1 mA DC
VRMS
(V)
250
275
320
380
420
460
510
575
VDC
(V)
330
369
420
500
560
615
675
730
VR
(V)
390
430
510
610
680
750
820
910
Clamping voltage Energy
Max. peak current
at 2.5 kA
1 surge with insulating coating
(10 x 1000 µs)
(8 x 20 µs)
Vp W
lp (kA)
(V) (J) 1 pulse 2 pulses
970 200 25 15
1075
260 25 15
1200
300 25 15
1350
350 25 15
1500
400 25 15
1650
450 25 15
1800
500 25 15
2000
550 25 15
VOLTAGE-CURRENT CHARACTERISTICS
10,000
5
4
2
1,000
8
5
4
5750
0511
0461
0421
0381
0321
2750
0251
2
100
10-5
10-4
10-3
10-2
10-1
1
10
100
1,000
10,000
I (A)
30 TPC