Eaton TMF400 Fuse - BS British Standard 60x137 mm
Part Number: TMF400
Quick Summary
TMF400 fuse provides British-standard low-voltage overcurrent protection for industrial control panels and distribution boards. Engineers often struggle with reliable fault isolation and regulatory compliance in compact enclosures. The TMF400 carries CE declarations and BS British Standard certification, with gL/gG characteristics that support high interrupting capacity and predictable coordination. Its compact 60x60x137 mm footprint, 400 A rating, and robust construction enable quick, cost‑effective panel protection while meeting safety and industry requirements for modern automation installations. Designed for the Eaton Bussmann series low-voltage fuses, it integrates with standard holders and replacement parts, reducing downtime and simplifying procurement. This alignment minimizes spare parts inventory and improves uptime for critical manufacturing lines.
Product Information
Extended Description
TMF400 Eaton: Eaton Bussmann series low voltage british standard fuse, 400A, AC 660 V, DC 460 V, V88/B4, 60 x 137 mm, gL/gG
Product Name
Eaton Bussmann series low voltage british standard fuse
Catalog Number
TMF400
UPC
051712485296
EAN
5996516026618
Product Length/Depth
137 mm
Product Height
60 mm
Product Width
60 mm
Product Weight
687 g
Warranty
No warranty
Compliances
Not Applicable
Certifications
BS
CA134002EN
CE Redspot fuse-links
CE Redspot fuse-links
Eaton Bussmann - Red Spot fuse links
10078 Red spot centre bolted fuses:TB, TBC, TC, TF, TKF, TKM, TMF, TM, TMT, TTM, TLM, TT, TLU,TXU fuses
Feature: 400 A current rating with AC 660 V and DC 460 V compatibility. Business Impact: This broad rating lets a single fuse cover both AC mains and DC bus bars, reducing part variety and simplifying protection schemes. Application: Ideal for main feeders, motor control centers, and machine panels where mixed-voltage protection is required. Feature: CE declarations and BS British Standard certification. Business Impact: Streamlines regulatory audits and supplier qualification, lowering procurement risk and speeding up commissioning. Application: European and UK industrial environments with strict compliance demands. Feature: gL/gG centre-bolted Red Spot design. Business Impact: High interrupting capacity and reliable fuse-link separation enhance fault isolation and service life under demanding conditions. Application: Critical protection in switchgear, distribution panels, and control circuits. Feature: Compact footprint and weight (60x60x137 mm; 687 g). Business Impact: Enables denser panel layouts, easier installation, and simpler retrofits in space-constrained cabinets. Application: New builds and retrofits in limited-space electrical enclosures. Feature: Rich documentation and compatibility with Eaton Bussmann series. Business Impact: Access to catalogs and declarations of conformity reduces procurement risk and ensures consistent spare parts. Application: Procurement workflows, service contracts, and technician training programs.
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FAQs
TMF400 is a centre-bolted fuse designed for fixed mounting in standard British Standard (BS) fuse holders. It features a compact 60x60x137 mm footprint and a 687 g weight, making it straightforward to install in existing panel cutouts and fuse blocks. Ensure correct alignment with holder terminals and proper torque on the mounting hardware for reliable connections.
TMF400 is rated for 400 A, with AC operation up to 660 V and DC operation up to 460 V. It uses a gL/gG fuse element and belongs to the Red Spot family, offering reliable interrupting capacity. These specifications support protection across mixed-voltage sections of a single panel or machine.
Yes. TMF400 includes CE declarations of conformity and BS British Standard certification, aligning with European and UK regulatory expectations. This helps streamline audits, supplier qualification, and compliance documentation during commissioning and ongoing maintenance.
TMF400 is ideal for industrial control panels, distribution boards, and machine protection in environments requiring reliable overcurrent protection for both AC mains and DC bus systems. It supports dense panel designs due to its compact size and compatibility with Eaton Bussmann series accessories.
There is no warranty noted for this part, so planning for spare parts is important. Rely on Eaton catalogs (such as CA134002EN) and DoCs for procurement accuracy, and leverage the standard Red Spot, centre-bolted design for quick replacements and consistent stocking of compatible fuses.