3
3
5
6
7
1
2
2
4
13
Buss Connector Detail
400 Amp Panels
NOTE ORIENTATION
OF NEUTRAL CONNECTOR
250 Amp 54 Circuit
250 Amp 66 Circuit
250 Amp 42 Circuit
250 Amp 18 Circuit
* Note bolt
location
differences of
neutral riser
depending
on number of
circuits.
Figure 6: SPD & Neutral Riser Connection Details for Revised P1 Panels
If panel is equipped with a neutral conductor:
• (250A only, not required for 400A) Install Neutral Riser Support
(item 10) per Figure 5 using #10-16 x ½” Type BT Slotted Hex
Thread Forming Screw (item 11). Do not tighten at this time.
• Attach Neutral Jumper (item 8) to top side of TPS3 (item 1) neutral
tab with ¼-20 x 5/8” machine screw (item 4) and ¼”-20 SEMS nut
(item 9). Do not tighten at this time. (400A panels only: rotate
neutral jumper so single-hole end lands on SPD neutral to ensure
proper height and fitment. Use (1) 5/16” - 18 slotted hex thread
forming screw (item 13) to connect other end of neutral jumper
to existing neutral bussing.)
• (250A only, not required for 400A) Install Neutral Riser (item 12)
per Figure 5. Use two (2) 5/16”-18 Slotted Hex Thread Forming
Screws (item 13) to connect one end of Neutral Riser to existing
Neutral Bussing provided with panel and other end of Neutral
Riser to Neutral Riser Support.
Torque all connections to the values as specified on the installation
and maintenance instruction label affixed to the rear of the dead front.
Replace trim and deadfront.
8
8
