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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MPDB69561 Mersen

MPDB69561 Mersen

Power distribution block, 1 pole., Conductor Material: Tin plated aluminium., Rated voltage: 1000 V AC/DC., Rated Cur...

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MPDBC6869 Mersen

MPDBC6869 Mersen

SAFETY COVER SNAP-ON HINGED, FOR LARGE POWER DISTRIBUTION BLOCKS

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MPDB67663 Mersen

MPDB67663 Mersen

DISTRIBUTION BLOCK, 1000V, 250A ALUMINUM, 310A COPPER, 3-PHASE

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MPDB69113 Mersen

MPDB69113 Mersen

Power Distribution Block,Open Style,Aluminum,Box-Box,3P,1000VAC/DC,760A

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MPDB69143 Mersen

MPDB69143 Mersen

POWER DISTRIBUTION BLOCK, PANEL MOUNT, 600 VAC, 620 AMP, 3 POLE, 12 HOLE

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MPDB63133 Mersen

MPDB63133 Mersen

POWER DISTRIBUTION BLOCK, MPDB SERIES, 600 V, 175 AMP, 3 POLE, 2/0-14 AWG INPUT WIRE RANGE, 4-14 AWG OUTPUT WIRE RANG...

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MPDBC6667 Mersen

MPDBC6667 Mersen

SAFETY COVER FOR MPDB66 AND MPDB67 SERIES, POWER DISTRIBUTION BLOCK

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MPDB66622 Mersen

MPDB66622 Mersen

Power Distribution Block,Open Style,Copper,Box-Box,2P,1000VAC/DC,310A

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M320585 Mersen - NH3UD69V450PV

M320585 Mersen - NH3UD69V450PV

Square Body High-Speed Fuse Protistor NH Size 3 aR 690VAC IEC 700VAC UL 450A With Double indicator Plain Blades

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