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Eaton E50 NEMA heavy duty plug-in limit switch, 10A at 240Vac, 1A at 125Vdc, 1NO-1NC, Die Cast Zinc, NEMA 1, 3, 3S, 4, 4X, 6, 6P, 13, IP67, 10A, 1A, 14° to 250°F (-10° to 121°C)
Manufacturer Resources
Spec Sheet
Product Specs
- Certifications:
- UL Listed
- Compliances:
- RoHS Compliant
- Contact Configuration:
- 1 NO-1 NC
- Contact Rating:
- 10A at 240Vac, 1A at 125Vdc
- Enclosure Material:
- Die cast zinc
- Environmental Rating:
- NEMA 1, NEMA 3, NEMA 3S, NEMA 4, NEMA 4X, NEMA 6, NEMA 6P, NEMA 13, IP67
- Maximum Ac Current:
- 10:00 AM
- Maximum Dc Current:
- 1:00 AM
- Operating Temperature Max:
- 250 °F
- Operating temperature - min:
- 14 °F
- Product Height:
- 3.13 in
- Product Length Depth:
- 1.54 in
- Product Weight:
- .3313 lb
- Product Width:
- 1.78 in
- Department:
- Electrical
B-LINE E50ST – Frequently Asked Questions
1) Can the Eaton E50ST limit switch be used in a washdown or outdoor area?
Yes. The E50ST body carries NEMA 1, 3, 3S, 4, 4X, 6, 6P, 13 and IP67 ratings, so it handles hosedown, corrosive, dust and oil environments and short-term submersion. The 4X and 6P ratings are the ones that matter for food plants, car washes and exposed outdoor conveyor runs.
2) What load can an E50ST heavy duty limit switch actually switch?
The contacts are rated 10A at 240Vac and 1A at 125Vdc, with one normally open and one normally closed contact. That is plenty for pilot duty on a motor starter coil, solenoid valve or PLC input, but it is not a switch for running a motor directly. On DC circuits watch the 1A ceiling, it drops off sharply from the AC figure.
3) Does the E50ST include the operating head and lever, or just the switch body?
The E50ST is the plug-in switch body only. The E50 series is modular by design, so the operating head (roller lever, rotary, plunger, wobble stick) and the receptacle base are ordered separately to match the application. Spec the head for how the target strikes it before you order.
4) What is the temperature range on the Eaton E50 heavy duty limit switch?
Rated from 14 degrees F up to 250 degrees F (-10 to 121 degrees C). The high end makes it workable near ovens, dryers and kilns; the 14 degree F low limit means an unheated cold-storage room or a northern outdoor install below that point is outside the rating.
5) Is the E50 limit switch housing metal or plastic?
Die cast zinc. That is the reason this is classed as a heavy duty switch rather than a compact one, it takes incidental impact from material handling and pallet traffic far better than a molded body, and it suits the NEMA 4X corrosion duty it is rated for.
6) Is the Eaton E50ST UL Listed and RoHS compliant for a spec job?
Both. The E50ST is UL Listed and RoHS compliant, which covers the two boxes most institutional and industrial submittals ask for on a control device.
7) Why choose a plug-in limit switch over a fixed one-piece switch?
With the plug-in design, the E50ST body pulls off its receptacle without disturbing the field wiring. When a switch fails on a running line you swap the body and go, instead of landing conductors again in a wet or awkward location. The tradeoff is buying the base and head as separate items up front.
8) Can I wire the E50ST to give both a run signal and a stop signal from one switch?
Yes. It carries one normally open and one normally closed contact, so a single actuation can make one circuit and break another, for example energizing a starter coil while breaking an interlock. Keep both circuits within 10A at 240Vac or 1A at 125Vdc.
9) What model number do I order for this Eaton E50 heavy duty switch?
The part number is E50ST, an Eaton E50 series heavy duty plug-in limit switch body with 1NO-1NC contacts in a die cast zinc housing.
How fast can I get the B-LINE E50ST delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 B-LINE E50ST come with a warranty?
Absolutely. The B-LINE E50ST is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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