Eaton TMT400 Fuse - 400A 660V gL/gG BS88 IEC 60269
Part Number: TMT400
Quick Summary
The Eaton TMT400 fuse protects low-voltage circuits in industrial power distribution panels. In demanding environments, it minimizes nuisance outages and simplifies maintenance during frequent startup cycles. It adheres to BS88 and IEC 60269 standards, is CE marked and RoHS compliant, with EAC certification where required. The rugged British Standard form combined with the gL/gG trip characteristic delivers reliable protection and fast spare-part replacement. This combination reduces downtime, standardizes panel builds, and lowers inventory costs for multi-site projects. For engineers, procurement teams, and panel builders, the TMT400 aligns with common low voltage protection practices in industrial automation.
Product Information
Extended Description
TMT400 Eaton: Eaton Bussmann series low voltage british standard fuse, 400A, AC 660 V, 62 x 256 mm, gL/gG
Product Name
Eaton Bussmann series low voltage british standard fuse
Catalog Number
TMT400
EAN
5027590320658
Product Length/Depth
64 mm
Product Height
64 mm
Product Width
255 mm
Product Weight
785 g
Compliances
CE Marked RoHS Compliant
Certifications
BS88 IEC 60269 EAC
CA134002EN
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Feature: High current and voltage ratings enable safe protection for feeders and main circuits. Business Impact: Reduces the risk of equipment damage and unplanned downtime while enabling scalable electrical design. Application: Ideal for power distribution panels and machinery feeders in manufacturing environments. The result is predictable protection aligned with system design loads and future expansion plans. Feature: gL/gG fuse characteristics provide robust protection across overload and short-circuit events. Business Impact: Improves selectivity and coordination with upstream protection, lowering the likelihood of cascading faults. Application: Suitable for motors, drives, and process lines where precise protection is critical. Feature: Compliance and certifications (BS88, IEC 60269, CE, RoHS, EAC) support cross-border procurement and regulatory adherence. Business Impact: Reduces risk in multi-site deployments and speeds approval cycles. Application: Meets global specification requirements for electrical panels and safety programs. Feature: Standardized physical footprint (62 x 256 mm) and British Standard form factor ease installation. Business Impact: Minimizes commissioning time and stock-keeping complexity across product families. Application: Fits common BS88 fuse holders and enclosures, enabling quick replacements during maintenance. Feature: 400 A, AC 660 V rating supports high-demand industrial circuits with durable operation. Business Impact: Enables reliable protection for high-capacity feeders, improving overall line uptime. Application: Heavy-duty industrial applications, including process lines and large control cabinets. Feature: 785 g weight and compact dimensions balance robustness with manageability. Business Impact: Easier handling during installation and replacement, reducing labor costs. Application: Field and shop repair scenarios where ease of handling matters.
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FAQs
The TMT400 is manufactured to the BS88 British Standard format and fits common BS88 fuse holders designed for 62 x 256 mm or equivalent footprints. Before installation, verify enclosure cut-outs and mounting clearances to ensure unobstructed fitment, and reference the datasheet for torque and connector recommendations to maintain reliable contact integrity.
gL/gG denotes general-purpose fuse characteristics with both overload and short-circuit protection. The TMT400’s gL/gG profile supports protection for typical industrial loads, providing coordination with upstream protection devices and reducing nuisance trips during peak inrush conditions. Use in feeders, distribution panels, and machinery where conventional protection is required.
The TMT400 is suitable for high-demand low-voltage circuits in industrial automation, including power distribution panels, motor feeders, and process-line controls. Its 400 A rating and AC 660 V capacity make it a strong choice for mid- to high-current applications, while BS88 IEC 60269 compliance ensures regulatory alignment across regions.
The TMT400 carries BS88 and IEC 60269 certifications, plus CE marking and RoHS compliance, with EAC where required. These certifications support regulatory compliance across multiple regions, simplify supplier qualification, and reduce procurement risk for multi-site projects and regulated industries.
The TMT400’s standardized footprint and rugged construction reduce spare-part variety and simplify stocking. Its long service life lowers replacement frequency, shortening downtime during maintenance and enabling faster swap-outs. Coupled with regulatory compliance, this translates to lower total cost of ownership and improved panel uptime.