Zinc Oxide Varistors
VB 32 Blocks
DIMENSIONS
15...45°
5 (.197)
millimeters (inches)
GENERAL CHARACTERISTICS
Max. operating temperature: +85°C
Storage temperature: -40°C to +85°C
40 (1.57)
54 (2.13)
44 (1.73)
24 (.945)
MOUNTING
Ø 5 mm holes for screwing
500 mm long, 6 mm
2
insulated copper cables
~
5 (.197)
o
5.1 (.201)
20 (.787)
44 (1.73)
20 (.787)
PACKAGING
Bulk or three units per box (one for each phase)
HOW TO ORDER
VB32
Type
MARKING
0421
K
Tolerance
M
Material
0
––
Suffix
RMS
Operating Voltage
Type
AC nominal voltage (EIA code)
Logo
PARTICULAR CHARACTERISTICS
Max. operating
voltage
Type
V
RMS
(V)
250
275
320
380
420
460
510
575
V
DC
(V)
330
369
420
500
560
615
675
730
V
R
(V)
390
430
510
610
680
750
820
910
Vp
(V)
970
1075
1200
1350
1500
1650
1800
2000
Nominal voltage
at 1 mA DC
Clamping voltage
at 2.5 kA
Energy
Max. peak current
1 surge
with insulating coating
(10 x 1000 µs)
(8 x 20 µs)
W
lp (kA)
(J)
1 pulse
2 pulses
200
25
15
260
25
15
300
25
15
350
25
15
400
25
15
450
25
15
500
25
15
550
25
15
VB32M00251K-
VB32M02750K-
VB32M00321K-
VB32M00381K-
VB32M00421K-
VB32M00461K-
VB32M00511K-
VB32M05750K-
-
-
-
-
-
-
-
-
VOLTAGE-CURRENT CHARACTERISTICS
10,000
5
4
2
U (v)
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
I (A)
10
100
1,000
10,000
30