Installation Manual

Installation, Operation and Maintenance Manual IO-70104 Rev 2, 6/2014

SPD WIRING & MOUNTING

CIRCUIT BREAKER & WIRE SIZE

Overcurrent Protection: ............... 20A Recommended

Connection Wire

: ........................ Phase/Neutral/Ground;

(24’’ of #12 AWG Included)

Summary Alarm Contacts

............ 250VAC, 5A Max; (

24’’ of #18 AWG Included

)

Designations are with AC Applied

Normally Open ............ (NO) = Yellow

Normally Closed .......... (NC) = Blue

Common .................... (COM) = Orange

DIN RAIL MOUNTING KIT

The optional DIN Rail mounting kit allows the 420 & 425 SPDs to be installed on standard

35mm industrial Din Rail. Individual clips mount to the bottom of the enclosure using 6-32

hardware included.

Part Number: 420-DIN (Sold separately)

Remove cover, and use #6 x 3/4”

self-threading screws (provided)

for mounting,

Replace cover, torque screws to

10 in/lbs.

PARALLEL WIRING DIAGRAM

SCREW MOUNTING