Limit Switch · 15A 250 Vac SPDT Extended Roller Lever · Screw Terminal Precision Type · Eaton E47BMS42
What this product is for
The Eaton E47BMS42 is a compact precision limit switch used for position detection, end-of-travel indication, and machine interlocking in industrial control systems. The extended roller lever actuator helps track cams, slides, and moving machine parts where repeatable mechanical contact is needed.
Use for
Use for conveyors, packaging equipment, assembly machinery, transfer systems, and other automation applications that need a mechanically actuated SPDT limit switch. Screw terminals suit panel and field wiring where secure terminations are preferred.
Avoid for
Avoid using this switch where washdown, corrosive exposure, or higher enclosure protection is required, as this model is rated NEMA 1. It is also not the right choice where non-contact sensing is preferred or where application loads exceed the published contact ratings.
Best for
Best for OEMs, maintenance electricians, and industrial contractors needing a compact Eaton precision switch with an extended roller lever for accurate repeatability in space-restricted equipment.
Installed in
Typically installed in manufacturing equipment, machine frames, guarded mechanisms, conveyor assemblies, and automated stations. The compact body measures approximately 2.48 in x 1.87 in x 0.69 in (63 x 47 x 18 mm), which helps in tighter mounting locations.
Why this product exists
This switch exists to provide reliable mechanical position feedback where a moving part must actuate a contact at a defined point. Compared with bulkier limit switches, the E47 precision series is intended for compact installations and repeatable switching performance.
Compared with similar products
Compared with basic plunger styles, the extended roller lever can better accommodate cam or sliding contact and may reduce wear at the point of actuation. Compared with proximity sensors, a mechanical limit switch is often chosen when direct physical confirmation of travel is required.
Specifications
- Manufacturer: Eaton
- Part number: E47BMS42
- Product family: E47 precision limit switch
- Product type: Precision limit switch
- Actuator: Extended roller lever
- Contact configuration: 1-SPDT (Form C)
- Connection type: Screw terminals
- Contact rating: 15A at 250 Vac
- DC rating: 6A at 30 Vdc
- Operating speed: 0.01 mm/s to 1 m/s
- Enclosure rating: NEMA 1
- Enclosure material: Mineral-filled phenolic
- Certifications: UL Listed, CSA Certified
- Dimensions: 2.48 in L x 1.87 in H x 0.69 in W (63 x 47 x 18 mm)
- Operating temperature: -13 to 176 degF (-25 to 80 degC)
- Warranty: 1 year
- Product FamilyE47 precision limit switch
- Dimensions2.48 in L x 1.87 in H x 0.69 in W (63 x 47 x 18 mm)
- Operating Temperature-13 to 176 degF (-25 to 80 degC)
- Contact Configuration1-SPDT (Form C)
- ApprovalsUL Listed, CSA Certified
- ActuatorExtended roller lever
- Enclosure MaterialMineral-filled phenolic
- Enclosure RatingNEMA 1
- Warranty1 year
- Connection TypeScrew terminals
- Contact Rating15A at 250 Vac
- DC Rating6A at 30 Vdc
- BrandsEaton
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