Overview
The Eaton E53KAL30A2EA is a capacitive proximity sensor from Eaton’s E53 tubular series. The E53 proximity switch is an advanced capacitive sensor designed for reliable and precise detection in a variety of industrial applications. This model features M30 x 1.5 mm threaded design with 25mm rated switching distance, non-flush mounting, and IP65 protection. The sensor operates on 20–250 V AC and includes a red LED status indicator for easy operational monitoring.
Key Features
- 25mm rated switching distance for reliable detection even in tight spaces
- IP65 rating provides exceptional protection against dust and moisture
- Detects metallic and nonmetallic objects as well as fluids and liquid levels
- M30 threaded barrel design with non-flush mounting capability
- 2-wire normally open (N/O) output configuration
- 2-meter pre-installed cable with M12 connector option
Technical Specifications
- Nylon housing for corrosion resistance and durability
- NEMA ratings: 1, 2, 3, 3S, 4, 12, 13
- Input voltage: 20–250 V AC
- Output type: 1 N/O (normally open) contact
- Sensing distance: 25mm (rated)
- Mounting style: Non-flush, M30 x 1.5 mm threaded
- Degree of protection: IP65
- Connection: 2-meter cable or M12 x 1 connector plug
- Operating ambient temperature: per datasheet specifications
Typical Applications
The E53 tubular capacitive proximity sensor is ideally suited for liquid level control and for sensing powdered or granulated material. Additional applications include:
- Conveyor system object detection and counting
- Level sensing through non-metallic barriers (glass, plastic)
- Automated packaging and material handling systems
- Tank and hopper fill-level monitoring
- Parts sorting and position sensing on assembly lines
- Replacement for mechanical limit switches in washdown or humid environments
Compatibility & Replacements
Compatible With
- Allen-Bradley CompactLogix / ControlLogix PLCs with 20–250 VAC power supply
- Siemens S7-1200 / S7-1500 controllers with AC input modules
- Mitsubishi FX series PLCs with AC input capability
- Omron CP1E / NX-series controllers
- Schneider Electric M241 / M251 PLCs
- Any 20–250 VAC discrete industrial control system
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The E53KAL30A2EA can replace similar Eaton E53 tubular models with M30 threaded design and AC power rating. Confirm voltage, sensing distance, and output type match your application requirements.
Works With
- Discrete AC input modules (24 VAC minimum, 250 VAC maximum)
- Industrial control relays and contactors
- PLC analog and digital input cards
- Hardwired relay logic systems
- M12 connector-based control networks
- Standard industrial 20–250 VAC control circuits


















