DOL 27 capacitive proximity sensor CA-P-M30-NF-CA-NPN-2-2T, 105304
Features
All characteristics
Description
The DOL 27 sensor is a 30 mm capacitive proximity sensor designed to detect loose and solid materials. The DOL 27 and iDOL 27 sensors are available in SCR, PNP and NPN output versions. The sensors are suitable for use with contactors, relays, PLCs, etc. in the agricultural and industrial sectors, in particular in enterprises for grain level measurement and effective feed level control in poultry houses, pig houses, and cowsheds. SCR output versions are available in 2-wire versions, as well as PNP and NPN in 4-wire versions. LED indicators display the state of the capacitive sensors, providing reliable monitoring of filling and emptying processes.Benefits and warranty
High quality
The equipment is manufactured by leading European manufacturers, using modern technologies and materials.
Professional support
Our specialists are always ready to provide qualified advice and assistance in choosing equipment. We also offer a full range of services from installation to maintenance and repair.
Competitive prices
Direct contracts with manufacturers allow us to offer competitive prices for all equipment. You will receive high quality at the best price.
Returns and Exchanges
We provide the opportunity to return or exchange the product within 14 days after purchase if it does not fit or has defects.
Delivery
Nova Poshta
By courier in Kiev
Pickup in Kyiv 1A Academician Korolev Avenue9
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Capacitive Sensor DOL 27 CA-P-M30-NF-CA-NPN-2-2T (NPN Output)
The capacitive sensor DOL 27 CA-P-M30-NF-CA-NPN-2-2T is a specialized model in a reinforced M30 housing, designed for automation systems operating on the NPN (negative switching) standard. This device is intended for use in low-voltage DC networks (10-30V DC) and is the ideal solution for connecting to specific industrial controllers (PLCs).
Unlike residential versions, this model combines the industrial strength of a 30mm housing with fine-tuning capabilities. Thanks to two trimmers (2T), you can adapt the sensor operation to any conditions, while the NO + NC output allows selecting the desired operation logic during installation.

Advantages of the NPN Model in M30 Housing
- NPN Logic Compatibility. Many imported control units (especially Asian-made) require an "NPN" signal. This sensor is created specifically for them.
- M30 Power. The large sensor diameter ensures more stable feed detection compared to M18, especially through hopper walls or in dusty conditions.
- Full Control (2T). The presence of Delay adjustment prevents false triggers from vibration, and Sensitivity adjustment allows working with different materials.
- Connection Flexibility (NO+NC). The 4-core cable allows implementing both "Start" (make) and "Stop" (break) functions using a single sensor.
Technical Specifications
| Characteristic | Value |
|---|---|
| Output Type | NPN (Negative switching) |
| Housing | M30 (30 mm) |
| Power Supply | 10–30 V DC |
| Settings | 2 trimmers (Sensitivity + Time) |
Applications of DOL 27 CA-P-M30-NF-CA-NPN-2-2T
This model is used for specific technical solutions:
- Industrial Controllers (PLC). Connecting to "Sinking Input" digital inputs.
- Large Storage Hoppers. Where long detection range (M30) and low-voltage power are required.
- Precise Dosing Systems. Where signal stability is critical.
Compatibility Table: NPN vs PNP
How to choose the right sensor type for your controller:
| Controller Input Type | Required Sensor | Operation Principle |
|---|---|---|
| Sinking Input (0V/GND active) | NPN (This model) | Sensor switches "Minus" to input |
| Sourcing Input (24V active) | PNP | Sensor switches "Plus" to input |
| Relay Input | Any (via relay) | Requires intermediate relay |

Installation of DOL 27 NPN Sensor
- Electrical (Important!): NPN sensors are connected differently than PNP. The load is connected between the "positive" of the power supply and the sensor output (black or white wire).
- Installation: Secure the sensor in a 30.5 mm hole with nuts.
- Adjustment: Open the trimmer cover. Adjust "Sens" and "Time" for correct operation.
DOL 27 NPN is a powerful tool for professional automation.
Features DOL 27 capacitive proximity sensor CA-P-M30-NF-CA-NPN-2-2T, 105304
All characteristics
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DOL 27 capacitive proximity sensor CA-P-M30-NF-CA-NPN-2-2T, 105304



