V421DB40 Littelfuse Inc, V421DB40 Datasheet - Page 4

• Manufacturer Part Number: V421DB40
• Description: VARISTOR INDUST 420V 600J DB
• Manufacturer: Littelfuse Inc
• Series: DA/DBr

Specifications of V421DB40

• Package / Case: Chassis Mount
• Number Of Circuits: 1
• Energy: 600J
• Current-surge: 40kA
• Maximum Ac Volts: 420VAC
• Maximum Dc Volts: 560VDC
• Varistor Voltage: 680V
• Voltage Rating Dc: 560 V
• Voltage Rating Ac: 420 V
• Clamping Voltage: 1.13 KV
• Surge Energy Rating: 600 J
• Capacitance: 3000 pF
• Operating Temperature Range: - 55 C to + 85 C
• Dimensions: 60 mm Dia. x 60.3 mm L x 12.7 mm H
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

DA/DB Varistor Series
Part Numbering System
Product Dimensions (mm)
“A” DIMENSION:
FILISTER HEAD SCREW - 51mm (2.01)
PAN HEAD SCREW - 53mm (2.09)
4.3mm
(0.170)
67mm
(2.64)
VARISTOR
V
V
V
V
M(AC)
M(AC)
M(AC)
M(AC)
First Two Significant Digits*
Decade Multiplier*
*Refer to Rating & Specifications table
57mm
(2.24)
Example:
130 V
M(AC)
= 131
23mm 1mm
(0.90
V XX X DA 0
62mm
(2.44)
DA SERIES
A
0.04)
M4 INTERNATIONAL
THREAD
4.5mm (0.18)
15mm (0.59)
SERIES DESIGNATOR
DA or DB
DISC SIZE (60mm)
Varistor Products
(1.84)
46.8
(0.90)
(0.06)
HOLES 0.23 THRU
BORE 0.370 x 0.370 DP
23
1.6
44.45
(1.75
(2.37)
60.3
40.5
(1.6)
0.03)
0.75
DB SERIES
(1.00
(1.61)
25.4
41
ALL DIMENSIONS ARE MAXIMUM
EXCEPT WHERE NOTED
2 HOLES
(0.26)
(0.50)
6.60
0.75
0.03)
12.7
(0.50)
12.7
(0.26)
6.60