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Eaton
Starting at
$471.53
Eaton Smooth Body Capacitive Proximity Sensor, Straight
The Eaton Smooth Body Capacitive Proximity Sensor (Series E53) is a straight, unshielded tubular sensor built for reliable non-contact object detection in industrial environments. Featuring a 1.38 in sensing range, a compact 34 mm smooth body, and a wide 20-250 V AC input with 300 mA solid-state output, this sensor delivers dependable 2-wire AC, NO switching for automation and control applications. With an environmental rating spanning NEMA 1, NEMA 2, NEMA 3, NEMA 3S, NEMA 4, NEMA 12, NEMA 13, and IP65, it is engineered to perform in demanding wet, dusty, and washdown-prone locations.
Key Features
- Sensing Range: 1.38 in sensing range for consistent, repeatable object detection.
- Compact Smooth Body: 34 mm tubular body with 1.34 in product width, 1.34 in height, and 3.15 in length/depth for easy mounting in tight spaces.
- Unshielded Actuator Function: Unshielded sensing face allows extended detection range for flush or non-flush mounting.
- Wide Input Voltage: 20-250 V input supports flexible integration across common AC control circuits.
- Solid-State Output: 300 mA solid-state output with 2-wire AC, NO contact configuration for straightforward wiring.
- Durable Cable Assembly: 79.2 ft Polyvinyl Chloride (PVC) cable for long-run routing without splicing.
- LED Status Indicator: Built-in Output ON LED provides at-a-glance sensor status.
- Wide Operating Temperature: Rated from -13°F to 158°F for use in variable ambient conditions.
Certifications & Compliance
- NEMA 1
- NEMA 2
- NEMA 3
- NEMA 3S
- NEMA 4
- NEMA 12
- NEMA 13
- IP65
Technical Specifications
- Series: E53
- Department: Electrical
- Product Type: Cap
- Warranty: 1 year
Typical Applications
- Industrial Automation and Machine Control
- Conveyor and Packaging Line Object Detection
- Level Sensing for Liquids and Granular Materials
- Washdown and Wet-Location Manufacturing Environments
- Process Control and Material Handling Systems
Why Eaton?
Eaton's Series E53 capacitive proximity sensors combine a rugged smooth body construction with broad NEMA and IP65 environmental ratings, making them a dependable choice for demanding industrial sensing tasks. The wide 20-250 V input range and solid-state 300 mA output simplify integration into existing control panels, while the 1 year warranty backs consistent, code-compliant performance for professional automation and electrical work.
Manufacturer Resources
Product Specs
- Cable type:
- Polyvinyl Chloride (PVC)
- Operating temperature - min:
- -13 °F
- Series:
- E53
- Maximum AC current:
- 300 mA
- Cord length:
- 79.2 ft
- Department:
- Electrical
- Product Type:
- Proximity Sensor
- Product Length/Depth:
- 3.15 in
- Actuator function:
- Unshielded
- Input voltage:
- 20-250 V
- Warranty:
- 1 year
- LED indicator:
- Output ON
- Operating temperature - max:
- 158 °F
- Amperage Rating:
- 300mA
- Voltage Rating:
- 20-250V
- Configuration:
- Unshielded
- Product Group:
- Wiring Devices
- Product Subgroup:
- Switches
- Product Length:
- 3.15 in
Eaton E53KBL30A2E – Frequently Asked Questions
1) Can an Eaton E53 capacitive proximity sensor run directly on 120V or 240V AC control power?
Yes. The E53 smooth body capacitive sensor accepts 20-250 V, so it drops into 120V or 240V AC control circuits without a separate DC supply. Output is solid-state, rated 300 mA maximum AC current, so size your load accordingly: it will drive a relay coil or PLC AC input, not a motor.
2) Is the Eaton E53 sensor a 2-wire or 3-wire hookup?
Two-wire AC. The sensor wires in series with the load like a limit switch, which is why only two conductors are needed. One version is ordered as 2 Wire AC normally open (E53KAL34A2E) and the other as normally closed (E53KBL30A2E), so pick the contact state your logic needs before ordering, since it is not field-changeable.
3) Does the Eaton E53 capacitive sensor need a non-metallic mounting bracket, or can it mount flush in a metal plate?
The sensing face is unshielded, which means the field spreads out past the face and metal immediately surrounding it will be seen by the sensor. Mount it proud of any metal bracket, or use a non-metallic mount, and keep clearance around the barrel. Unshielded construction is what buys the longer 1.38 in sensing range.
4) Will an Eaton E53 capacitive sensor detect liquid or plastic, not just metal?
Yes, it is capacitive rather than inductive, so it responds to liquids, plastics, wood, powders and granular media as well as metal. That is what makes it usable for tank and hopper level detection through a non-metallic wall, where an inductive sensor would see nothing. Detection distance is 1.38 in, so the wall thickness plus any air gap has to fall inside that.
5) How long is the cable on the Eaton E53 sensor, and do I need a connector or junction box?
It ships as a cabled sensor with 79.2 ft of PVC-jacketed cable attached, so in most machine installs you run straight back to the panel with no splice or quick-disconnect. There is no plug-in connector to buy. PVC jacket is fine for general plant and washdown duty but not for weld-spatter or cutting-oil immersion locations.
6) What size hole do I need to mount the Eaton E53 smooth body sensor?
It is a 34 mm smooth-body tubular sensor, 3.15 in long, so it mounts in a bracket clamp sized for a 34 mm barrel rather than threading into a tapped hole. Smooth body means no mounting nuts, so plan on a clamp-style bracket and allow the full 3.15 in depth behind the face plus cable bend radius.
7) How do I tell if the sensor is actually seeing the target during commissioning?
There is a built-in Output ON LED on the sensor body, so you can watch it switch as you pass the target without a meter on the terminals. On a two-wire AC device that indicator is the quickest way to separate a sensing problem from a wiring or load problem.
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Does the Eaton E53KBL30A2E come with a warranty?
Absolutely. The Eaton E53KBL30A2E is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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