GBL-I15 Series
Model GBL-I15/4 as documented on page 9 of the official catalogue.
Surge & Power Protection
Series / Model · GBL-I15 / GBL-I25 / GBL-I50
Product overviewGBL-I15, GBL-I25 and GBL-I50 are Type 1 surge protective device series for primary protection at power incomers. Each model is presented with its own catalogue specifications without cross-model extrapolation.

GBL Type 1 Surge Protective Device unified product presentation
CORE FEATURES
SUBSERIES TECHNICAL DATA
Model GBL-I15/4 as documented on page 9 of the official catalogue.
Model GBL-I25/4 as documented on page 10 of the official catalogue.
Model GBL-I50/4 as documented on page 11 of the official catalogue.
AVAILABLE SERIES
APPLICATIONS
TECHNICAL INFORMATION / DIMENSIONS
Drawings and data apply only to the exact model shown, not other specifications.
TECHNICAL DOCUMENTS
Manuals, technical drawings, BIM files and other resources are published once approved.
GBL-I15 / GBL-I25 / GBL-I50
GBL Type 1 Surge Protective Device
GBL Power Surge & Type 1 SPD Series
GBL Series Surge Protective Device
GBL Series Surge Protective Device
GBL Series Surge Protective Device