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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TRS30R Mersen

TRS30R Mersen

Fuse TRS-R - Class RK5 - Time-Delay 600VAC 300VDC 30A Ferrule Tri-Onic

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TRM10 Mersen

TRM10 Mersen

Mersen / Ferraz Shawmut - Low Voltage Fuse

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TRS10R Mersen

TRS10R Mersen

FUSE, CURRENT LIMITING, TRI-ONIC, DUAL ELEMENT TIME DELAY, TRS-R SERIES, CLASS RK5, 600 VAC / 300 VDC, 10 AMPS, NON-I...

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T331171 Mersen - US223M

T331171 Mersen - US223M

Fuse Holder UltraSafe 800VAC 1000VDC UL Fuse size 22x58 3-Pole Microswitch Pressure Plate IP20. (2 per pack)

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T300006 Mersen - PC31UD69V500TF

T300006 Mersen - PC31UD69V500TF

Square Body High-Speed Fuse Protistor Size 31 aR 690VAC IEC 700VAC UL 500A With Striker Flush ends metric threads

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T300512 Mersen - PC73UD12C900TF

T300512 Mersen - PC73UD12C900TF

Square Body High-Speed Fuse Protistor Size 73 aR 1200VAC IEC 1300VAC UL 900A With Striker Flush ends metric threads

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S331147 Mersen - US143MI

S331147 Mersen - US143MI

Fuse Holder UltraSafe 800VAC 1000VDC UL Fuse size 14x51 3-Pole Visual Indicator Microswitch Pressure Plate IP20

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