Siemens MK0402L1400RLM - 400A, Disconnect Switch

The Siemens MK0402L1400RLM is a purpose-built 400A disconnect switch engineered for industrial and commercial environments where safe electrical isolation is non-negotiable. Designed to support lockout/tagout procedures, it delivers dependable disconnection under load and is built for long-term durability in demanding service conditions.

Key features and benefits

• 400A amperage rating provides robust isolation for high-current circuits commonly found in industrial facilities.
• Dedicated disconnect switch with a design focused on safe, reliable disconnection during maintenance and servicing.
• Lockout/tagout readiness supports standard safety protocols to protect workers during outages and repairs.
• Industrial-grade durability built to withstand rigorous daily use in commercial and industrial settings.

Ideal applications

Perfect for motor control centers, service panels, and distribution equipment in factories, warehouses, data centers, and large commercial facilities. Use it to isolate circuits during routine maintenance, commissioning, or when servicing equipment that operates under load—ensuring personnel safety and minimizing equipment risk.

Why this Siemens disconnect switch stands out

• emphasizes reliable isolation when the circuit must be opened or serviced, reducing the chance of accidental energization.
• Trustworthy performance from a trusted Siemens component, backed by a history of durable, field-proven electrical devices.
• Clear, under-load disconnection capability ensures the switch engages securely even when the connected equipment is energized, contributing to safer maintenance procedures.

Practical usage tips

Plan installations and maintenance rounds around lockout/tagout workflows. Regularly verify the switch’s mechanical action and ensure the disconnect aligns with your panel or enclosure standards. Use in conjunction with approved safety practices to maximize protection for personnel during servicing and system changes.

Specification snapshot

Brand: Siemens  |  Model: MK0402L1400RLM  |  Product Type: Disconnect Switch  |  Amperage Rating: 400A