Eaton Cutler-Hammer E51BLT1 120V Switch, Normally Open, Normally Closed | AmpState

Engineered for reliability and straightforward retrofits, the Eaton Cutler-Hammer E51BLT1 120V switch delivers precise manual control with both normally open and normally closed contacts in a single compact package. This makes it an ideal choice when maintaining consistent part numbers is important for planning, stocking, and downtime minimization.

Designed to support retrofit work and maintenance planning where exact part numbers matter, the E51BLT1 helps you preserve compatibility across control panels and electrical schematics. With a 1 Normally Open / 1 Normally Closed contact configuration, you gain flexible signaling and control options without juggling multiple components.

Key features that drive real-world value

• Dual-contact arrangement: 1 Normally Open (NO) and 1 Normally Closed (NC) contact in one device for versatile control signals and simple interlock-style uses.
• 120V operation: Suited for standard control circuits in industrial panels and equipment.
• Manual control focus: Clear, hands-on switching functionality ideal for commissioning, testing, and routine maintenance.
• Part-number consistency: Perfect for retrofits where staying with E51BLT1 minimizes wiring changes and documentation updates, speeding maintenance and replacements.
• Availability through AmpState: Ready-to-order supply for accurate part matching and timely repair projects.

Specifications at a glance

• Manufacturer: Eaton Cutler-Hammer
• Part Number: E51BLT1
• Product Type: Switch
• Voltage: 120V
• Contact configuration: 1 NO / 1 NC
• Availability: AmpState

Ideal use scenarios

• Retrofit projects where the exact part number must be preserved to fit existing wiring harnesses and control panels
• Maintenance planning for equipment that relies on the E51BLT1 family or similar Eaton Cutler-Hammer switches
• Simple start/stop control in control cabinets, conveyors, and small automation loops
• Signaling tasks and basic interlock-style applications within compact control circuits

Installation tips and compatibility notes

When replacing or integrating this switch, confirm that your circuit truly requires 1 NO and 1 NC contacts and that a 120V control supply matches your system. Since AmpState lists this part for purchase, you can rely on an exact-match order to support maintenance schedules and spare-part inventories. For best results, swap in this unit as a direct, no-surprise replacement in configurations that currently rely on the E51BLT1 family, minimizing wiring changes and downtime.