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Ferraz Shawmut TRS50R — 50A Class RK5 Tri‑Onic Time‑Delay Fuse (600V AC / 300V DC)


Sale price $11.78 Regular price $16.84
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Description

Product Description

The Ferraz Shawmut TRS50R is a 50‑amp, Class RK5, Tri‑Onic® time‑delay fuse engineered for reliable protection of motors, transformers, feeders, and branch circuits. This fuse provides current‑limiting performance to reduce fault energy and protect downstream equipment, while its time‑delay element supports high inrush loads such as motor startups and transformer energizing without nuisance tripping.

According to multiple listings, the TRS50R is rated for 50A, 600V AC, and 300V DCsec2sec10sec15. It features dual‑element time‑delay constructionsec2sec10, current‑limiting capabilitysec10, and a 5.5-inch length with 1.06-inch diametersec10sec15.

This fuse is part of the Tri‑Onic TRS‑R series, designed specifically for industrial motor circuits and general-purpose overcurrent protectionsec14sec21.


Key Features & Benefits

  • 50A, 600VAC / 300VDC rating for industrial circuitssec10sec15

  • Tri‑Onic® dual‑element time‑delay handles motor and transformer inrush currentssec10sec18

  • Current‑limiting design reduces peak let‑through energysec10

  • Class RK5 fuse compatible with standard RK5 fuse blockssec2

  • 5.5" length × 1.06" diameter standard cartridge sizesec10sec15

  • Engineered for motors, transformers, feeders, and branch circuitssec14[sec21](#sentenceindex-sec21]


🔧 Uses / Applications

  • Motor circuit protection (high inrush loads)

  • Transformer protection

  • Feeder and branch‑circuit protection

  • Service entrance equipment

  • Industrial control panels

  • HVAC, pumps, and manufacturing equipment


📊 Technical Specifications

Specification Detail
Manufacturer Ferraz Shawmut / Mersen
Series TRS‑R (Tri‑Onic®)
Part Number TRS50R
Amp Rating 50A
Voltage Rating 600V AC / 300V DCsec10sec15
Fuse Class RK5sec2
Type Dual‑Element, Time‑Delaysec2sec10
Body Style Cartridge Fuse
Dimensions 1.06" × 5.5"sec10sec15
Features Current‑Limitingsec10
Applications Motors, transformers, feeders, branch circuitssec14sec21

 

🔄 Cross‑Reference / Interchange Table

Manufacturer Equivalent / Related Part Numbers
Ferraz Shawmut / Mersen TRS50R (OEM)
Bussmann FRS‑R‑50 (verify Class RK5 match)
Littelfuse FLSR50 (verify dimensions & interrupt rating)
General Replacement Must match Class RK5, 50A, 600V, time‑delay

 

Disclosure Policy

This product was acquired by Freeman Liquidators from a sale of merchandise subject to a commercial insurance loss. Freeman Liquidators is a secondary seller of products, is not affiliated with or sponsored by the manufacturer of the products and is not a manufacturer authorized seller of the products. Sale of this product by Freeman Liquidators is not subject to the policies of the manufacturer. Any warranty offered by the manufacturer is not available to you as the purchaser.

All products are NEVER USED but external packaging will have damage. Some items may be placed into other packaging to ensure safe shipping. All items are opened for inspection prior to shipment to ensure the best quality of products. Freeman Liquidators guarantees your satisfaction. If you are not completely satisfied with a purchased product, within 30 days from the date of purchase, return the product in its packaging and Freeman Liquidators will fully refund your money.

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All returned items are subject to a 10% handling fee.

Ferraz Shawmut TRS50R — 50A Class RK5 Tri‑Onic Time‑Delay Fuse (600V AC / 300V DC)

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