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Shawmut OT40 40A (lot of 16)

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$74.99

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Overview

The Shawmut OT40 40A fuse is a one-time general-purpose low-voltage fuse designed to protect feeder and branch circuits serving lighting, heating, and other non-motor loads. This lot includes 16 units in new condition, offering reliable overload and short-circuit protection for industrial and commercial electrical systems.

Key Features

  • Class K5 current-limiting fuse for reliable protection
  • One-time (non-renewable) design for automatic circuit disconnection
  • 50,000 ampere interrupting rating at all voltage levels
  • Dual voltage rating: 250VAC and 250VDC compatible
  • Fast-acting response to overcurrent conditions
  • Ferrule terminal construction for secure panel mounting
  • UL 248-9 and CSA C22.2 certified

Technical Specifications

Ampere Rating 40A
Voltage Rating 250VAC / 250VDC
Fuse Type One-Time (OT)
Interrupting Rating 50 kA AC
Class Class K5
Terminal Type Ferrule
Length 3 inches
Diameter 13/16 inch
Response Time Fast-Acting
Certifications UL 248-9, CSA C22.2
Manufacturer Ferraz Shawmut (Mersen)
Quantity per Lot 16 units

Typical Applications

  • Industrial control panels and distribution equipment
  • Lighting circuit protection in commercial buildings
  • HVAC and heating system circuits
  • General-purpose branch circuit protection
  • Feeder circuit overcurrent protection
  • Equipment rated for 250V single-phase or DC systems

Compatibility & Replacements

Compatible With

  • Industrial control systems rated for 250VAC/250VDC
  • Panelboard and distribution equipment designed for Class K5 fuses
  • Motor control centers with auxiliary circuits
  • Transformers and auxiliary equipment protection
  • Electrical systems requiring 40A branch circuit protection

Replaces / Drop-In Replacement For

  • Eaton Cooper Bussmann NON-40
  • Littelfuse NLN040
  • Reliance 64676-K
  • Gould Shawmut OT40 (equivalent)

Works With

  • Standard cartridge fuse holders and clips
  • Industrial panelboards and switchgear
  • Feeder and branch circuit protection schemes
  • Equipment rated for Class K5 or Class K fuses

Ampere Rating

40A

Voltage Rating

250VAC / 250VDC

Fuse Type

One-Time (OT)

Interrupting Rating

50 kA AC

Class

Class K5

Terminal Type

Ferrule

Length

3 inches

Diameter

13/16 inch

Response Time

Fast-Acting

Certifications

UL 248-9, CSA C22.2

Manufacturer

Ferraz Shawmut (Mersen)

Quantity per Lot

16 units

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