Eaton Precision Limit Switch, ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$54.23
Eaton Precision Limit Switch, Screw Terminal, 1-SPDT (Form C)

Eaton Precision Limit Switch, Screw Terminal, 1-SPDT (Form C)

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Model: E47BMS11

In Stock (leaves warehouse same day if ordered before 3pm ET)

$54.23
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Eaton Precision Limit Switch, Screw Terminal, 1-SPDT (Form C)

The Eaton Precision Limit Switch (Series E47) is engineered for reliable position sensing in industrial control and automation systems. Featuring screw terminal connections and a 1-SPDT (Form C) contact configuration, this limit switch is rated 15A at 250 Vac and 6A at 30 Vdc, with an operating speed range of 0.01 mm/s to 1 m/s. Built to UL Listed standards with a NEMA 1 environmental rating, it delivers dependable switching performance for demanding industrial applications.

Key Features

  • Series: Eaton E47 precision limit switch platform for industrial-grade position sensing.
  • Connection Type: Screw terminal connections provide secure, reliable field wiring.
  • Contact Configuration: 1-SPDT (Form C) contact arrangement for versatile circuit switching.
  • Contact Rating: 15A at 250 Vac and 6A at 30 Vdc for dependable AC and DC circuit switching.
  • Operating Speed: 0.01 mm/s to 1 m/s actuation speed range for precise, repeatable sensing.
  • Operating Temperature Range: -13°F to 176°F for wide-range environmental tolerance.
  • Environmental Rating: NEMA 1 enclosure rating suited for general-purpose indoor installations.
  • Certification: UL Listed for code-compliant industrial electrical installations.

Certifications & Compliance

  • UL Listed
  • NEMA 1 Environmental Rating

Technical Specifications

  • Warranty: 1 year
  • Series: E47
  • Type: E47
  • Contact configuration: 1-SPDT (form C)
  • Contact Rating: 15A at 250 Vac, 6A at 30 Vdc
  • Operating speed: 0.01 mm/s-1m/s
  • Maximum AC current: 15 A
  • Maximum DC current: 15 A
  • Operating temperature - max: 176 °F
  • Operating temperature - min: -13 °F
  • Environmental rating: NEMA 1
  • Certifications: UL Listed
  • Connection: Screw terminal

Typical Applications

  • Industrial Automation and Control Systems
  • Machine Position Sensing and Feedback
  • Conveyor and Material Handling Equipment
  • Safety Interlock and Guarding Systems
  • Indoor Industrial Panel and Machine Installations

Why Eaton?

Eaton's E47 Series precision limit switches are UL Listed and built with screw terminal connections for secure, code-compliant wiring in industrial control panels. With a NEMA 1 environmental rating and a wide operating temperature range of -13°F to 176°F, these switches deliver dependable position-sensing performance backed by Eaton's 1-year warranty for professional industrial electrical work.

Manufacturer Resources

Product Specs

Product Type:
Limit Switch
Operating Temperature Max:
176 °F
Operating temperature - min:
-13 °F
Warranty:
1 year
Contact Configuration:
1-SPDT (form C)
Certifications:
UL Listed
Connection:
Screw terminal
Maximum Dc Current:
15 A
Amperage Rating:
15A
Series:
E47
Operating speed:
0.01 mm/s-1m/s
Maximum Ac Current:
15 A
Environmental Rating:
NEMA 1
Department:
Electrical
Connection Type:
Screw Terminal
Configuration:
1-SPDT (Form C)
Listing:
UL Listed
Standards:
NEMA 1
Product Group:
Wiring Devices
Product Subgroup:
Switches

Eaton E47BMS11 – Frequently Asked Questions

1) What actuator styles does the Eaton E47 precision limit switch come in?
Two actuator heads are offered on the E47B screw terminal switch: a booted roller plunger (E47BLS08) and a cross roller plunger (E47BMS11). The booted plunger takes straight-on cam or machine-member travel and the boot keeps dust and swarf off the plunger. The cross roller plunger is the one to pick when the actuating member comes across the plunger from the side rather than head-on, such as a carriage or conveyor flight passing the switch.
2) Is the Eaton E47 limit switch a single circuit or can I get two separate contacts?
It is a single circuit: 1-SPDT, Form C. That gives you one common with a normally open and a normally closed contact, so you can either break a circuit or make one on actuation, but not both on electrically isolated circuits. If you need two isolated circuits (for example one to a PLC input and one to a hardwired stop), you need a double-pole or two-circuit switch instead.
3) Can I mount this Eaton limit switch outdoors or in a washdown area?
No. The E47 carries a NEMA 1 environmental rating, which is general-purpose indoor only, offering protection against incidental contact and falling dirt but not against rain, hose-down, or liquid ingress. For outdoor conveyors or washdown food plants you need a switch with an enclosure rating such as NEMA 4 or 4X.
4) Will the Eaton E47 limit switch hold up in an unheated warehouse in winter?
Its operating temperature range runs -13 F to 176 F, so an unheated but enclosed warehouse is within range. The high end also covers hot work near ovens, dryers, or heat-treat lines. Remember the NEMA 1 rating means it still needs to be indoors and dry, so condensation or freezing spray is a different problem than ambient temperature.
5) Do I need a connector or pigtail to wire the Eaton E47, or does it take field wire directly?
It takes field wire directly. Connection is by screw terminal, so you land conductors under the terminal screws inside the switch body, no plug, pigtail, or crimped connector kit required. That is the usual choice for panel and machine work where an electrician is pulling conductors to the switch rather than using a prewired cable assembly.
6) How slow can a machine move and still trip this limit switch reliably?
The E47 has a stated operating speed range of 0.01 mm/s up to 1 m/s. The low figure matters on slow-travel applications such as jacking screws, gate drives, or indexing tables, where a coarse switch can chatter or fail to transfer. The upper end covers normal conveyor and carriage speeds.
7) Is the Eaton E47 limit switch UL Listed for use in a control panel?
Yes, the E47 is UL Listed, which is what a plant electrician or inspector will look for on a component going into an industrial control panel. Pair that with the NEMA 1 rating and it is intended for general-purpose indoor machine and panel installations.
8) Should I use a precision limit switch or a heavy-duty oiltight limit switch for a conveyor?
A precision switch like the E47 is built around a small snap-action mechanism with a tight, repeatable trip point, and it suits position sensing and feedback where you need the switch to transfer at the same spot every cycle. Its NEMA 1 rating limits it to dry indoor duty. If the conveyor is in a wet, dusty, or oily environment, or outdoors, go to a heavy-duty enclosed limit switch with a sealed housing instead; you give up some repeatability and gain environmental protection.
9) Can I use the Eaton E47 as a safety interlock on a machine guard?
The E47 is applied in safety interlock and guarding circuits, and the Form C arrangement lets you wire the normally closed contact so opening the guard breaks the circuit. Whether it satisfies your specific safety category is a decision for whoever signs off the risk assessment; the switch itself is a UL Listed, NEMA 1 indoor device with one SPDT circuit, not a dual-channel safety-rated interlock.
How fast can I get the Eaton E47BMS11 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Eaton E47BMS11 come with a warranty?
Absolutely. The Eaton E47BMS11 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Eaton E47BMS11?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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