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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A2Y125-3 Mersen

A2Y125-3 Mersen

Fuse A2Y 250VAC 500VDC 125A Type 3 Blade Amp-Trap

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A120X4-1 Mersen

A120X4-1 Mersen

High Speed Fuse Amp-Trap A120X 1200VAC 1000VDC 4A Ferrule

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A072F2D0R0-18R Mersen

A072F2D0R0-18R Mersen

Back-Up R-Rated Medium Voltage Fuse 7200VAC 18R Mounting: Ferrule Visual Indicator Amp-Trap

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A072B1DAR0-12R Mersen

A072B1DAR0-12R Mersen

Back-Up R-Rated Medium Voltage Fuse 7200VAC 12R Mounting: Bolted Style: DAR0 Visual Indicator Amp-Trap

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A055F1D0R0-175E Mersen

A055F1D0R0-175E Mersen

Medium Voltage E-Rated Fuse 5500VAC 175A Ferrule, Series: D0R0 Visual Indicator Amp-Trap

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9F60LJD504 Mersen

9F60LJD504 Mersen

Back-Up R-Rated Medium Voltage Fuse 5080VAC 4R Mounting: Ferrule Style: LJD Visual Indicator Amp-Trap

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