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TJS20 - 20Amp Fuse

  • 20 Amp
  • 200 kA @ 600 V.AC Volts AC
FusesSKU: TJS20

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TJS20 - 20Amp Fuse Description

TJS20 - 20 Amp Fuse

The TJS20 Class T Fuse delivers the kind of fast, dependable circuit protection professionals count on when equipment uptime matters most. Built for high-performance electrical systems, this 20 Amp very fast-acting fuse responds quickly to overcurrent and short-circuit conditions, preventing damage to sensitive components and interruptions to operations. Its current-limiting Class T design helps reduce destructive fault energy, making it an excellent fit for industrial facilities, commercial buildings, and demanding power distribution applications where safety and performance go hand in hand.

What makes the TJS20 especially valuable is its ability to combine high interrupting capacity with a compact footprint. Rated for 200 kA at 600VAC, this cartridge-style fuse is engineered for environments with high available fault currents, helping protect equipment such as control panels, motor starters, transformers, and HVAC systems from costly electrical events. Despite its powerful protection capabilities, the fuse maintains a slim, space-saving profile that fits easily into modern electrical assemblies where every inch matters.

Whether you're maintaining existing equipment or upgrading a critical electrical system, the TJS20 provides reliable overcurrent protection with the fast response needed for today's sensitive electrical infrastructure. Its non-indicating design offers straightforward installation and dependable operation in a wide range of commercial and industrial applications.

Key Features and Benefits

  • Very Fast-Acting Performance: Responds rapidly to overloads and short circuits to help protect sensitive equipment.
  • Current-Limiting Class T Fuse: Helps reduce let-through current and minimizes electrical stress during fault conditions.
  • High Interrupting Capacity: Rated at 200 kA @ 600VAC for demanding high-fault-current environments.
  • Compact Cartridge Design: Small footprint simplifies installation in space-conscious electrical systems.
  • Reliable Equipment Protection: Helps reduce downtime, maintenance costs, and damage caused by electrical faults.
  • Built for Industrial and Commercial Use: Suitable for critical power distribution and protection applications.

Technical Specifications

  • Part Number: TJS20
  • Type: TJS Class T Fuse
  • Fuse Style: Cartridge Style, Non-Indicating
  • Acting Speed: Very Fast-Acting
  • Current Limiting: Yes
  • Amperage Rating: 20 Amps
  • Voltage Rating: 600 VAC
  • A.I.C. Rating: 200 kA
  • Dimensions:
    • Height: 1.5 in.
    • Width: 0.562 in.
    • Depth: 0.562 in.

Material Compliance and Certifications

  • Industry Standards: The TJS20 fuse is manufactured for professional-grade electrical protection applications and is designed to comply with recognized industry standards for Class T current-limiting fuses.
  • Reliable Operation: Its design supports safe, dependable operation in commercial and industrial electrical systems where consistent performance is essential.

Where It Works Best

  • The TJS20 is ideal for applications that demand compact, high-speed overcurrent protection and high interrupting performance, including industrial control panels, motor control centers, commercial power distribution systems, HVAC equipment, manufacturing and processing equipment, transformer protection, branch circuit protection, and critical electrical infrastructure. For electrical professionals looking for a compact fuse that delivers fast response and dependable protection under demanding conditions, the TJS20 is a strong solution for maintaining system safety and operational reliability.

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.

Mersen® is a registered trademark of Mersen S.A. Products sold are surplus, used, or refurbished and are NOT supplied by Mersen S.A. or its affiliates.

Eaton®, Cutler-Hammer®, Westinghouse®, Challenger®, Bussmann®, Crouse-Hinds®, and Cooper® are registered trademarks of Eaton Corporation plc. Products sold are surplus, used, or refurbished and are NOT supplied by Eaton Corporation plc or its affiliates.

Specifications

  • Width:0.562
  • Depth:0.562
  • Height:1.5
  • Amperes:20
  • A.I.C. Rating & Volts:200 kA @ 600 V.AC
  • Type:TJS
  • Additional Notes:Cartridge Style, Non-Indicating, Very Fast-Acting, current-limiting Class T Fuse

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