Mersen collection

Mersen

Mersen is a global expert in electrical protection and power transfer technologies, widely utilized in industrial automation for circuit protection, power distribution, and thermal management. Their comprehensive product lines include fuses, surge protective devices, disconnect switches, and specialized busbars, essential for ensuring system reliability and safety in demanding environments. Engineers value Mersen for their robust design, adherence to international standards, and long-term performance. Industrial Automation Co. stocks new and refurbished Mersen parts with quote-based pricing.

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5M+

Our 5M+ catalog features active breakers, drives, PLCs, relays, and operator interfaces.

24 Months

We offer 24 months warranty on selected brands

24h

Typical quote turnaround for hard-to-source and legacy replacement requests

OEM+

New, refurbished, and surplus paths surfaced clearly for procurement teams

Hard-to-find parts, sourced fast

Real value

Access millions of industrial automation components across PLCs, drives, HMIs, and more. We help you locate discontinued, surplus, and in-demand parts without delays.

Built for urgent procurement

RFQ ready

Submit RFQs for multiple part numbers and get fast, accurate quotes. Ideal for maintenance teams, resellers, and engineers working against downtime.

Verified parts you can rely on

Trusted data

Every listing is backed by supplier validation, condition transparency, and real availability—so you can purchase with confidence.

Global sourcing, local reliability

Worldwide trust.

We work with trusted suppliers worldwide to deliver quality automation parts quickly—reducing lead times and keeping your operations running.

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V300076 Mersen - PC33UD69V500TF

V300076 Mersen - PC33UD69V500TF

Square Body High-Speed Fuse Protistor Size 33 aR 690VAC IEC 700VAC UL 500A With Striker Flush ends metric threads

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US3J3 Mersen

US3J3 Mersen

FUSE HOLDER, 30AMP, 3P, 600V, CLASS J FUSES,DIN RAIL MOUNT

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US6J2I Mersen

US6J2I Mersen

Fuse Holder UltraSafe 600VAC 600VDC Class J 60A 2-Pole LED Pressure Plate IP65

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US3J2I Mersen

US3J2I Mersen

Fuse Holder UltraSafe 600VAC 600VDC Class J 30A 2-Pole LED Pressure Plate IP65

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US6J3 Mersen

US6J3 Mersen

FUSE HOLDER, J FUSES, ULTRASAFE SERIES, 600 VAC, 60 AMP, 3 POLE, SCREW TERMINAL, DIN RAIL MOUNT

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US3J2 Mersen

US3J2 Mersen

FUSE HOLDER, ULTRASAFE SERIES, 30 AMP, 600 VAC, 2 POLE, SCREW TERMINAL, DIN RAIL MOUNT

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TRS9R Mersen

TRS9R Mersen

Fuse TRS-R - Class RK5 - Time-Delay 600VAC 600VDC 9A Ferrule Tri-Onic

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TRS6R Mersen

TRS6R Mersen

Fuse TRS-R - Class RK5 - Time-Delay 600VAC 600VDC 6A Ferrule Tri-Onic

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TRS4R Mersen

TRS4R Mersen

Fuse TRS-R - Class RK5 - Time-Delay 600VAC 600VDC 4A Ferrule Tri-Onic

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