Cut Sheet

www.intermatic.com
Surge Protectiion
Diagrams
AG Series
Specification
The Surge Protective Device shall be listed by CSA to ANSI/UL 1449 3rd Edition for SPD Type 1 and Type 2 locations.
The Surge Protective Device shall provide protection between each phase conductor and ground. The Maximum
Continuous Operating Voltage (MCOV) shall be a minimum of ____VAC between phase and ground. When subjected to
the ANSI/UL 1449 3rd Edition testing impulses, the Voltage Protection Rating shall be no greater than ____ Volts Line to
Neutral/Ground or ____Volts Line to Line. The Surge Protective device shall employ large MOV technology and provide
individual component thermal protection and monitoring, utilizing a green LED status indicator light. The failure of a single
component will turn the LED OFF. The rainproof housing shall be constructed of UV resistant polycarbonate, or material
of equal strength and UV resistance, and tested to Type 4 standards for outdoor use. A
1
⁄2 inch polycarbonate threaded
nipple and metal locknut shall be provided. Leads shall be 12 gauge minimum and 24 inches in length. The Surge
Protective Device shall carry a 1-year warranty and be manufactured by a company who has engaged in the manufacture
of such products for a minimum of 5 years.
120/240 VAC Three wire with grounded
neutral.
Found at Service entrances
and Meter Cans.
Line
Line
Grounded/
Neutral
120 VAC
120 VAC
240 VAC
WHITE
BLACK
BLACK
120/240 VAC Three wire with separate ground.
Found in Main Disconnect Switches,
Main Distribution panels, Load Centers
Sub panels and equipment locations.
Line
Line
Neutral
Ground
120
120
240 VAC
120 VAC
BLACK
WHITE
120 VAC Two wire single phase with
separate ground.
Found at connections for individual
pieces of equipment such as pumps
and single phase motors. NOTE: Both
black wires connect to Line.
Line
Neutral
Ground
0 VAC
120 VAC
120 VAC
WHITE
BLACK
BLACK
BLACK
VAC
VAC