V130PA20A Datasheet, PDF (5/5 Pages) Littelfuse – Varistor Products - Base Mount

Varistor Products
Base Mount
PA Varistor Series
Suggested Hardware and Mounting Arrangements
TYPICAL NON-ISOLATED MOUNTING
TYPICAL ISOLATED MOUNTING
THERMAL
GREASE
LAYER
#10-32 PAN HEAD
SCREW
#10 FLAT WASHER
VARISTOR
MOUNTING
SURFACE
LOCK WASHER
#10-32 NUT
THERMAL
QUICK
CONNECT
(NOTE 6)
THERMAL
GREASE
LAYER
#6-32 SCREW
#6 FLAT WASHER
PHENOLIC SHOULDER
WASHER
SPACER
VARISTOR
MICA INSULATOR
MOUNTING
SURFACE
LOCK WASHER
#6-32 NUT
NOTE:
6. GE G623, Dow Corning, DC3, 4, 340, or 640 Thermal Grease recommended for best heat transfer.
1,000V Isolation Kit containing the following parts can be ordered by part #A7811055 (Qty).
(1) MICA insulation 1”/3.1”/0.005” thick
(1) 1/4 ” quick-connect terminal
(2) Phenolic shoulder washer
(1) Spacer
(2) #6-32/3 / 4 screw
(2) #6-32 nut
(2) #6 internal tooth lock washer
(2) #6 flat washer
Ordering Information
VARISTOR
V XXX PA XX X
V_M(AC)
130V to 660V
SERIES DESIGNATOR
CLAMPING VOLTAGE
SELECTION DESIGNATOR
A = Standard
C = Low Clamp Voltage Option
RELATIVE ENERGY INDICATOR
136
www.littelfuse.com