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What does the suffixes on TVS IMA catalog numbers signify?

Issue:
Internally Mounted Assembly catalog number description not system recognized.

Product Line:
Surge Protection Devices

Environment:
IMA, EMA

Cause:
Installation / Configuration

Resolution:

TYPE 2 WYE AND HLD MODEL NUMBER SUFFIX CODES
P NQ/NF panelboard (Not available in 320 and 480 kA)
B QED switchboard
B2 QED series 2 switchboard
Z PZ3/PZ4 switchgear (Not available in TVS1 or TVS3)
Q QMB panelboard (Not available in 320 and 480 kA)
M Motor Control Center (Not available in 320 and 480 kA)

TYPE 1 WYE AND HLD MODEL NUMBER SUFFIX CODES
P1 NQ/NF panelboard (Not available in 320 and 480 kA)
B1 QED switchboard
B21 QED series 2 switchboard
Z1 PZ3/PZ4 switchgear (Not available in TVS1 or TVS3)
Q1 QMB panelboard (Not available in 320 and 480 kA)
M1 Motor Control Center (Not available in 320 and 480 kA)

SPD Model numbers are not system recognized as line items manually entered in Schneider Electric ordering system with any given suffix code because there only available factory configured VIA the product selector.