ADS Environmental Services Model 4000 530017 A0 - Manual (Page 114)

A-6 ADS Model 4000 Manual
Lightning Protection
The following table contains the specifications for the lightning
protection module and board.
Lightning
Protection
Module
(Service
Location)
Housing: Gray PVC
Dimensions: 4.13 inches (10.5 cm) high x 3.25
inches (8.3 cm) wide x 1.88 inches (4.8 cm) deep
Polyswitch: 600-volt 150-milliamps over-current
protector
Varistor: 240-volt over-voltage protector
Sidactor: 280-volt over-voltage protector
Ground Wire: 12 AWG black stranded
Service Wire: 22 AWG 4-conductor gray unshielded
Lightning
Protection
Board
(Monitor
Chassis)
Varistor: 240-volt over-voltage protector
Sidactor: 280-volt over-voltage protector
PTC Thermistor: 265-volt 300-milliamps over-current
protector
Maximum Surge Current: 7 kA (8 x 20 uS)
Maximum Transient Voltage: 20 kV (1.2 x 50 uS)
Maximum Clamping Voltage: 100 volts @3kA
Maximum Line Capacitance: 1600 pF
DC Operating Current: 300mA