4mm Sensing Distance
The 872C-A4N12-R3 provides a nominal sensing distance of 4 mm for non-contact detection of metallic targets.
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Allen-Bradley
Allen-Bradley 872C-A4N12-R3 Proximity Sensor 4mm 20-250VAC 2-Wire
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PRODUCT DOCUMENTATION
Product Information
Technical specifications, features, applications and purchasing information.
Technical Specifications
| Brand | Allen-Bradley |
| Model Number | 872C-A4N12-R3 |
| Product Category | Proximity Sensor |
| Sensor Technology | Inductive |
| Proximity Sensor Type | 2-Wire AC |
| Barrel Diameter | 12 mm |
| Nominal Sensing Distance | 4 mm |
| Shielding | Unshielded |
| Barrel Type | Standard |
| Output Configuration | Normally Open |
| Voltage Rating | 20-250 V AC |
| Connection Type | Micro Quick-Disconnect (AC) |
| Body Style | Tubular |
| Barrel Material | Nickel-Plated Brass |
Key Features
12mm Tubular Barrel
The sensor uses a 12 mm diameter standard tubular barrel for industrial proximity sensing installations.
2-Wire AC Design
The 872C-A4N12-R3 uses a 2-wire AC electrical configuration for applicable industrial sensing circuits.
20-250VAC Operation
The sensor is designed for operation within its documented 20-250 V AC voltage range.
Normally Open Output
The documented switching configuration is normally open for metallic target presence and position sensing.
Quick-Disconnect Connection
The R3 configuration provides an AC Micro Quick-Disconnect connection for applicable sensor wiring systems.
Applications
- Metallic target presence detection
- Machine position sensing
- Industrial automation equipment
- Production line object detection
- Material handling systems
- Machine control applications
- Equipment position monitoring
- Factory automation sensing
Purchase Information
We support online purchase of the Allen-Bradley 872C-A4N12-R3 Proximity Sensor. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
Frequently Asked Questions
What is Allen-Bradley 872C-A4N12-R3?
The 872C-A4N12-R3 is an inductive proximity sensor with a 2-wire AC electrical configuration, 12 mm tubular barrel and 4 mm nominal sensing distance.
What is the sensing distance of 872C-A4N12-R3?
The documented nominal sensing distance is 4 mm.
What is the barrel diameter of 872C-A4N12-R3?
The documented barrel diameter is 12 mm.
What electrical configuration does 872C-A4N12-R3 use?
The sensor uses a 2-wire AC configuration.
What voltage does 872C-A4N12-R3 use?
The documented voltage rating is 20-250 V AC.
What output configuration does 872C-A4N12-R3 use?
The sensor uses a normally open switching configuration.
Is 872C-A4N12-R3 shielded?
No. The documented sensing configuration is unshielded.
What connection type does 872C-A4N12-R3 use?
The sensor uses an AC Micro Quick-Disconnect connection.
What material is used for the barrel?
The tubular barrel is specified with nickel-plated brass construction.
What applications can 872C-A4N12-R3 be considered for?
It can be considered for metallic target detection, machine position sensing and industrial automation applications where its sensing and electrical specifications meet system requirements.
Can 872C-A4N12-R3 be considered for an existing sensing system?
It can be considered after the complete model number, 20-250 V AC supply, 2-wire circuit, normally open output, 4 mm sensing distance, unshielded installation requirements and connection type have been checked against the existing system.
What should be checked before ordering 872C-A4N12-R3?
Check the complete catalog number, 12 mm barrel diameter, 4 mm sensing distance, 20-250 V AC rating, 2-wire configuration, normally open output, unshielded installation requirement and AC Micro Quick-Disconnect connection.
Need help confirming a model?
Send us your part number and technical requirements.
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