TJK436Y400 **Older Style** - 400Amp Molded Case Switch

TJK436Y400 **Older Style** - 400 Amp Molded Case Switch

The TJK436Y400 molded case switch is designed for your applications that require dependable switching performance in commercial and industrial electrical distribution systems. Built on the TJK6 frame platform, this 3-pole, 600-amp switch features the sought-after older style black face design commonly used in legacy equipment setups where matching form and fit matters. Because this unit is a molded case switch with no overcurrent protection, it is intended for systems where protection is provided elsewhere in the electrical assembly. Its durable construction and compact footprint make it a practical solution for disconnecting, isolating, and controlling power in panelboards, switchboards, and other heavy-duty power distribution equipment. Designed to withstand demanding environments, the TJK436Y400 continues to be a trusted choice for maintaining existing electrical infrastructure while supporting consistent operational continuity.

Key Features and Benefits

• 600 Amp current rating for heavy-duty power distribution applications
• 3-pole configuration suitable for three-phase electrical systems
• Older style black face design for compatibility with existing installations
• TJK6 frame type supports form, fit, and functional replacement needs
• Molded case switch construction built for long-term service life
• No overcurrent protection, allowing use in systems with external protective devices
• Compact dimensions help simplify installation in compatible equipment layouts
• Designed for commercial and industrial switching applications

Technical Specifications

• Part Number: TJK436Y400
• Product Type: Molded Case Switch
• Overcurrent Protection: None
• Frame Type: TJK6
• Poles: 3
• Amperes: 600A
• Height: 10.13 in.
• Width: 8.25 in.
• Depth: 3.81 in.
• Face Style: Older Style Black Face

Material Compliance and Certifications

• The TJK436Y400 molded case switch is manufactured for use in commercial and industrial electrical systems and is designed to meet applicable industry standards associated with molded case power distribution equipment. Compatibility and compliance should always be verified according to the specific application, installation environment, and local electrical code requirements.

Where It Works Best

• This molded case switch is well suited for use in:
• Industrial facilities
• Manufacturing plants
• Commercial buildings
• Electrical distribution systems
• Switchboards and panelboards
• Power isolation and disconnect applications
• Legacy electrical systems requiring older style black face components
• For facilities maintaining existing electrical infrastructure, the TJK436Y400 provides a dependable form and fit solution that helps keep compatible systems operating efficiently without requiring major equipment modifications.