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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S300511 Mersen - PC73UD13C800TF

S300511 Mersen - PC73UD13C800TF

Square Body High-Speed Fuse Protistor Size 73 aR 1250VAC IEC 1300VAC UL 800A With Striker Flush ends metric threads

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S217734 Mersen - NH3GG50V630

S217734 Mersen - NH3GG50V630

DIN NH Standard fuse-link gG Size NH3 500VAC 250VDC 630A live tags Double indicator Body width 71.9mm

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R300004 Mersen - PC31UD69V400TF

R300004 Mersen - PC31UD69V400TF

Square Body High-Speed Fuse Protistor Size 31 aR 690VAC IEC 700VAC UL 400A With Striker Flush ends metric threads

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PC73UD10C1000TF Mersen

PC73UD10C1000TF Mersen

Square Body High-Speed Fuse Protistor Size 73 aR 1000VAC IEC 1100VAC UL 1000A With Striker Flush ends metric threads

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