Eaton E47 Precision Limit Swit...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$30.57
Eaton E47 Precision Limit Switch, Reversed Roller Lever, Screw Terminal

Eaton E47 Precision Limit Switch, Reversed Roller Lever, Screw Terminal

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Model: E47BMS03

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

$30.57
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Eaton E47 Precision Limit Switch, Reversed Roller Lever, Screw Terminal

The Eaton E47 Precision Limit Switch is an extended-plunger, reversed roller lever limit switch built for reliable position and end-of-travel sensing in industrial control applications. Featuring screw terminal connections, this switch is rated 15A at 250 Vac and 6A at 30 Vdc, with an operating speed range of 0.01 mm/s-1m/s (Form C contacts). Housed in a mineral filled phenolic enclosure with a NEMA 1 environmental rating, the E47 is CSA Certified and CE Marked for dependable performance in machine and equipment applications.

Key Features

  • Actuator: Reversed roller lever for smooth, repeatable actuation on moving equipment.
  • Switch Type: Extended plunger design (Form C) for precise position sensing.
  • Connection: Screw terminal connections; bottom facing M4 x 0.7 (8-32) terminal screws with cup washers accept 22-12 AWG (2.5 sq. mm maximum) wire.
  • Electrical Rating: 15A at 250 Vac and 6A at 30 Vdc for a range of control circuit applications.
  • Operating Speed: 0.01 mm/s-1m/s, suited to both slow and fast-moving actuation targets.
  • Durable Construction: Mineral filled phenolic enclosure material for mechanical strength and durability.
  • Operating Temperature: Rated from -13 °F to 176 °F for use across varied ambient conditions.

Certifications & Compliance

  • CSA Certified
  • CE Marked
  • NEMA 1 Environmental Rating

Technical Specifications

  • Warranty: 1 year
  • Series: E47
  • Department: Electrical

Typical Applications

  • Industrial Machine Safety Interlocks
  • Position Sensing on Conveyors and Automated Lines
  • End-of-Travel and Limit Detection
  • Automation and Control Panel Wiring
  • Material Handling and Packaging Equipment

Why Eaton?

Eaton's E47 Precision Limit Switch combines a mineral filled phenolic enclosure with CSA Certified and CE Marked compliance, delivering the durability and code-compliant performance professionals expect for demanding industrial control environments. Screw terminal connections and a reversed roller lever actuator make the E47 a dependable choice for position sensing and safety interlock applications where consistent switching performance is critical.

Manufacturer Resources

Product Specs

Product Type:
Limit Switch
Operating temperature - max:
176 °F
Operating temperature - min:
-13 °F
Warranty:
1 year
Switch Classification:
Extended plunger
Actuator:
Reversed roller lever
Certifications:
CSA Certified
Enclosure material:
Mineral filled phenolic
Connection:
Screw terminal
Maximum DC current:
15 A
Series:
E47
Operating speed:
0.01 mm/s-1m/s
Maximum AC current:
15 A
Compliances:
CE Marked
Environmental rating:
NEMA 1
Department:
Electrical
Product Material:
Mineral Filled Phenolic
Connection Type:
Screw Terminal
Voltage Rating:
250V
Amperage Rating:
15A
Listing:
CSA Certified
Configuration:
NEMA 1 Enclosure
Product Group:
Wiring Devices
Product Subgroup:
Switches

Eaton E47BMS03 – Frequently Asked Questions

1) Is this Eaton E47 limit switch okay to mount outdoors or in a washdown area?
No. The E47 carries a NEMA 1 environmental rating, which is general purpose indoor enclosure protection only. It has no rating for rain, dust, coolant, or washdown. For wet or outdoor locations you need a sealed oiltight limit switch, not this one. Inside a panel or a dry plant environment it is fine, and the phenolic housing is rated from -13 F to 176 F ambient.
2) What contact arrangement do I get, and can I use it for both a run signal and an interlock?
Both versions of the E47 reversed roller lever switch are single pole double throw, ordered as SPDT (E47BMS03) or 1-SPDT (E47BMS41). SPDT gives you one normally open and one normally closed contact off a common, so you can take a run permissive off one side and a stop or interlock off the other, but only one circuit can be switched at a time since the two throws share a common pole. If you need two electrically isolated circuits, you need a two-pole device.
3) Will a reversed roller lever work on a slow-moving conveyor cam, or is it too slow to trip?
Operating speed is specified from 0.01 mm/s up to 1 m/s with Form C contacts, so it handles both creeping actuation like a slow index table or jacking screw and fast machine travel. The reversed roller lever means the roller sits on the opposite side of the lever arm from the standard version, so pick it when the cam or dog approaches from the reverse direction relative to the switch body.
4) What wire size do the screw terminals on the Eaton E47 take?
The terminals accept 22 to 12 AWG (2.5 sq mm maximum). They are bottom facing M4 x 0.7 (8-32) screws with cup washers, so you land bare conductors or forked spade lugs from underneath. No crimp connector or pigtail kit is needed.
5) Does the Eaton E47 limit switch meet requirements for equipment being shipped to Canada and Europe?
It is CSA Certified and CE Marked, which covers the Canadian certification and the European declaration a machine builder normally needs for a control component. Those are the two listings carried on this switch.
6) Is the E47 a plunger switch or a lever switch? The spec sheet says both.
It is both. The switch classification is extended plunger, which is the internal precision mechanism, and the reversed roller lever is the actuator head that rides on it. The lever multiplies travel so the roller can follow a cam while the plunger does the actual switching. That combination is what makes it usable for end-of-travel and position sensing rather than straight-line plunger contact only.
7) What is the E47 housing made of, and will it survive knocks on a packaging line?
The enclosure is mineral filled phenolic, a rigid thermoset that holds up mechanically and does not soften at the top of its 176 F ambient range. It is not a die cast metal body, so it is meant for incidental contact from a cam or dog, not for taking direct impact from a load or a forklift. Guard it if the travel path is uncontrolled.
How fast can I get the Eaton E47BMS03 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 E47BMS03 come with a warranty?
Absolutely. The Eaton E47BMS03 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 E47BMS03?
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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