106 WL Circuit Breaker Selection and Application Guide
WL Spare/Replacement Parts
Trip Units and Rating Plugs
1
Optional GF module sold separately.
2
Metering function and ETU776 requires 24VDC supply.
ETU 745 ETU 748 ETU 776
Rating plug
Catalog Ampere Catalog Ampere Catalog Ampere Catalog Ampere
number rating number rating number rating number rating
WLRP200 200A WLRP400 400A WLRP800 800A WLRP2500 2500A
WLRP225 225A WLRP450 450A WLRP1000 1000A WLRP3000 3000A
WLRP250 250A WLRP500 500A WLRP1200 1200A WLRP3200 3200A
WLRP300 300A WLRP600 600A WLRP1250 1250A WLRP4000 4000A
WLRP315 315A WLRP630 630A WLRP1600 1600A WLRP5000 5000A
WLRP350 350A WLRP700 700A WLRP2000 2000A
ETU catalog Trip unit Protective Replacement Ground Ground fault
number functions settings LCD displays fault alarm alarm and trip
WLETU745 LSI WLTUSC55 WLLCD45 WLGFA48 WLGFM48
WLETU748 LS WLTUSC55 WLLCD45 WLGFA48 WLGFM48
WLETU776 LSI WLTUSC76 Not replaceable WLGFA76 WLGFM76
Trip unit with metering function
WLETU745MP LSI WLTUSC76 WLLCD45 WLGFA48 WLGFM48
WLETU748MP LS WLTUSC76 WLLCD45 WLGFA48 WLGFM48
WLETU776MP LSI WLTUSC76 Not replaceable WLGFA76 WLGFM76
Overload Protection
L – Long Time Pick-up and Delay
S – Short Time Pick-up and Delay
I – Instantaneous Trip
G – Ground Fault Pick-up and Delay (Accessory sold separately)
Rating plug
GFM A 745-748 GFM AT 745-748 GFM A 776 GFM AT 776
1
1
1
2
1
2
1
2
2
Courtesy of NationalSwitchgear.com