B40K250 EPCOS Inc, B40K250 Datasheet - Page 7

• Manufacturer Part Number: B40K250
• Description: VARISTOR BLOCK 250VRMS 40MM
• Manufacturer: EPCOS Inc
• Series: HighEr

Specifications of B40K250

• Varistor Voltage: 390V
• Current-surge: 40kA
• Number Of Circuits: 1
• Maximum Ac Volts: 250VAC
• Maximum Dc Volts: 320VDC
• Energy: 490J
• Package / Case: Chassis Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: B72240B 251K 1; B72240B0251K001; B72240B251K1

Dimensions
SIOV-B32/-B40
SIOV-B60
SIOV-B80
Please read Cautions and warnings and
Important notes at the end of this document.
1.0
40±0.5
50±0.5
60
24±1
+0.5
_
0.7
135
115±0.8
M4
100
85.4±1
96±1
49±1
72±1
39±1
+0.5
_
+0.5
2.0
_
2.0
4.3±0.25
14±0.5
VAR0579-N
M5
M5
ø7±0.2
ø7±0.2
27.7±0.5
1.5
7
+0.2
_
0.5
27±0.5
VAR0298-B
VAR0580-A
7
7
24
+0.1
_
0.5
Weight
Nominal diameter
mm
32
40
60
80
+0.3
_
0.7
11/07
Block varistors
Dimensions in mm
HighE series
V
V
130 … 750
130 … 1100 250
130 … 1100 650
75 … 750
RMS
Weight
g
45
50