Surge & Power Protection
GBL Type 1 Surge Protective Device
Series / Model · GBL-12.5 / GBL-15 / GBL-25
Product overviewGBL Type 1 surge protective devices support primary surge protection at power incomers. The new dimensional sheet explicitly covers 4P GBL-I12.5, GBL-I25 and GBL-I50 models; electrical performance and naming correspondence must be confirmed by exact model documentation.
Manual confirmation required: the dimensional sheet uses the GBL-I prefix, while its relationship to the non-I model names currently used for this product family is not explicitly documented.
Selection & technical informationGBL TECHNICAL COORDINATION
CORE FEATURES
Core features
For primary surge protection coordination at power incomers
Dimensional data is listed for I-prefixed models
Electrical parameters follow the type-test report for the exact model
TECHNICAL DATA
Technical parameters
Models in dimensional sheetGBL-I12.5/4, GBL-I25/4 and GBL-I50/4
4P dimensions144 × 97(+5) × 68 mm (as dimensioned)
2P dimension noteHalf the 4P length; other dimensions unchanged
APPLICATIONS
Applications
01
Building and industrial distribution incomers
02
Low-voltage circuits requiring Type 1 surge coordination
TECHNICAL DOCUMENTS
Technical Documents
Manuals, technical drawings, BIM files and other resources are published only after approval.
01
GBL Power Surge & Type 1 SPD Series
GBL Surge Protective Device Dimensional Sheet
- Model
- GBL-20 / 40 / 60 / 80 / 100 / 120 · GBL-I12.5 / I25 / I50
02
GBL Series Surge Protective Device
GBL-I15 Surge Protective Device Type Test Report
- Model
- GBL-I15/385/1P/2P/3P/4P
03
GBL Series Surge Protective Device
GBL-I25 Surge Protective Device Type Test Report
- Model
- GBL-I25/385/1P/2P/3P/4P
04
GBL Series Surge Protective Device
GBL-I50 Surge Protective Device Type Test Report
- Model
- GBL-I50/385/1P/2P/3P/4P
05
GBL Series Surge Protective Device
GBL-I12.5 Surge Protective Device Type Test Report
- Model
- GBL-I12.5/385/1P/2P/3P/4P
Need selection advice or product literature?
Share the product and application to support technical follow-up.