Eaton WER-3-1/2 Telecommunication Fuse - CE Marked
Part Number: WER-3-1/2
Quick Summary
Eaton WER-3-1/2 telecommunication fuse is a compact protection device for telecom and data equipment. Engineers often struggle with space constraints and the need for reliable, easy-to-replace fuses in dense panels. This model carries CE marking for European installations and is designed to meet common telecom protection criteria. Its non-indicating, flat design reduces panel clutter while the 32 Vdc rating matches standard telecom networks. The 3-1/2 A rating provides predictable protection for sensitive electronics. By combining a small footprint with straightforward replacement procedures, this fuse supports faster maintenance, lower downtime, and improved asset protection in distributed telecom and data rack environments.
Product Information
Extended Description
WER-3-1/2 Eaton: Eaton Bussmann series Type WER telecommunication fuse, 32 Vdc, 3-1/2 A, Non Indicating, Flat
Product Name
Eaton Bussmann series Type WER telecommunication fuse
Catalog Number
WER-3-1/2
UPC
051712731331
Product Length/Depth
1.39 in
Product Height
1.63 in
Product Width
0.45 in
Product Weight
0.3 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
3-1/2A
Voltage rating
32 Vdc
Packaging type
Standard
Fuse indicator
Non-indicating
WER-3-1/2~WER-3-1-2~TELEPHONE FUSE
WER-3-1/2~WER-3-1-2~TELEPHONE FUSE
Bussmann series Fuseology
Eaton Specification Sheet - WER-3-1/2
Feature 32 Vdc electrical rating → Business Impact Ensures safe operation on typical telecom power rails, reducing overvoltage risk and protecting critical electronics; Application Used in telecom backplanes, data racks, and subscriber equipment. Feature Non-indicating, flat body → Business Impact Minimizes visual clutter and simplifies installation in crowded panels; Application Ideal for dense telecom enclosures where quick fault identification is essential. Feature 3-1/2 A amperage rating → Business Impact Provides reliable overcurrent protection for sensitive devices, limiting downstream damage and shortening mean time to repair; Application Common in low-current telecom subsystems and data interfaces. Feature Compact dimensions (1.39 in L × 0.45 in W × 1.63 in H) → Business Impact Enables fit in shallow chassis and compact fuse holders, improving enclosure density; Application Useful in wall-mount and cabinet installations with space constraints. Feature Standard packaging and UPC 051712731331 → Business Impact Facilitates procurement, traceability, and stock control for maintenance teams; Application Supports consistent lifecycle management in field deployments. Feature CE Marked compliance → Business Impact Streamlines regulatory acceptance in European markets, reducing compliance overhead; Application Suitable for multinational deployments where CE conformity matters. Feature 0.3 lb weight → Business Impact Lightweight handling reduces shipping costs and simplifies on-site replacement; Application Beneficial for field service teams and modular systems.
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FAQs
Yes. The WER-3-1/2 is designed as a telecommunication fuse with standard dimensions and a flat body, enabling straightforward replacement in typical Bussmann and vendor-compatible holders and panels. Ensure the holder supports a 32 Vdc, 3-1/2 A non-indicating fuse for proper fit and performance.
Key specs are 32 Vdc voltage rating and 3-1/2 A current rating. This combination protects sensitive telecom electronics against overcurrent events typical in data racks and subscriber equipment while maintaining compatibility with common telecom power rails.
Yes. The 32 Vdc rating and 3-1/2 A rating, along with its compact form and non-indicating design, make it suitable for protecting telecom and data equipment deployed in data centers and distributed telecom cabinets.
The WER-3-1/2 carries CE Marked compliance for European installations. No additional certifications are listed in the provided specifications, so verify project requirements if UL or IP considerations are required for your environment.
Because this is a non-indicating fuse, consider periodic electrical load reviews and panel audits to confirm fuse integrity during maintenance. The compact size and standard UPC enable easy stock rotation, quick replacement, and predictable lead times, reducing downtime during routine service.