V321DB40 Littelfuse Inc, V321DB40 Datasheet - Page 4

• Manufacturer Part Number: V321DB40
• Description: VARISTOR INDUST 320V 460J DB
• Manufacturer: Littelfuse Inc
• Series: DA/DBr
• Type: MOVr

Specifications of V321DB40

• Package / Case: Chassis Mount
• Number Of Circuits: 1
• Energy: 460J
• Current-surge: 40kA
• Maximum Ac Volts: 320VAC
• Maximum Dc Volts: 420VDC
• Varistor Voltage: 510V
• Voltage Rating Dc: 420 V
• Voltage Rating Ac: 320 V
• Clamping Voltage: 830 V
• Peak Surge Current: 40 KA
• Surge Energy Rating: 460 J
• Capacitance: 3800 pF
• Operating Temperature Range: - 55 C to + 85 C
• Mounting: SMD/SMT
• Dimensions: 40 mm Dia. x 60.3 mm L x 12.7 mm H
• Termination Style: Screw
• Brand/series: DB Series
• Current, Peak: 40000 A
• Electric Strength: 5000 V
• Energy Rating: 460 Joules
• Mounting Style: Bolt-Down
• Package: Quick Connect Push-On Connector
• Power Rating: 460 Joules (Max.) @ +85 °C
• Resistance, Insulation: 1000 Megohms
• Technology: Metal Oxide
• Temperature, Operating, Maximum: 85 °C
• Temperature, Operating, Minimum: -55 °C
• Terminal Type: Quick Connect Push-On Connector
• Voltage, Ac: 320 VAC
• Voltage, Clamping: 830 V
• Voltage, Dc: 420 VDC
• Voltage, Operating: 320 VAC⁄420 VDC
• Voltage, Varistor: 539
• Wide Operating Voltage Range Vmacrms: 150 V to 575 V
• 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