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Allen-Bradley 140M-D8N-C25 Safety Switch, 250A

Allen-Bradley 140M-D8N-C25 Safety Switch - 250A

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ManufacturerAllen Bradley

Part number140M-D8N-C25

Amperage 250A

Voltage 600V AC

Series 140M

Type Safety Disconnect Switch

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12-month warranty

All units tested

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Same-day dispatch

Order by 2pm CST

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

High current rating Visible blade design Lockable handle Durable construction UL, CSA approved Suitable for hazardous locations (with appropriate enclosure)

Product description

The Allen-Bradley 140M-D8N-C25 is a heavy-duty safety switch built for reliable isolation of electrical circuits in demanding industrial environments. It offers a robust 250A current rating and a 600V AC voltage rating, ensuring safe and dependable operation.

This safety switch is commonly specified for applications such as main disconnects for manufacturing equipment, power distribution panels, and large motor control systems where high current capacity and safety interlocks are critical. Its sturdy construction is designed to withstand harsh conditions.

Stanlo Automation, a veteran-owned surplus industrial parts supplier, provides the Allen-Bradley 140M-D8N-C25. We are dedicated to offering quality, cost-effective solutions to meet your automation and MRO needs, ensuring minimal downtime for your operations.

Technical specifications

Amperage	250A
Voltage	600V AC
Series	140M
Type	Safety Disconnect Switch
Poles	3
Enclosure	NEMA 3R/12

Common applications

Main disconnects

Motor control

Power distribution

Industrial machinery safety

Manufacturing automation

Large equipment isolation

Compatible systems

Compatible with most industrial control panels and machinery requiring a high-amperage, lockable safety disconnect.

Also known as

140M-D8N-C25 disconnect switch Allen Bradley 250A safety disconnect Bulletin 140M safety switch 3-pole industrial disconnect

Replaces / compatible with

This 250A safety switch is a robust option for replacing older Allen-Bradley 140M series disconnects or similar industrial-grade safety switches requiring a higher current rating.

Technical note

Expert tip

Ensure the switch is correctly rated for the available fault current at the point of installation to maintain safety and compliance.

What happens next?

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Frequently asked questions

What type of enclosure is typically recommended for the Allen-Bradley 140M-D8N-C25 safety switch?

While the switch itself is robust, it's often installed in NEMA 3R or NEMA 12 enclosures to provide protection against dust, water, and environmental factors common in industrial settings.