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AB1/AP-3A IMO Inductive Proximity Switch M4 Shielded, PUR Cable 2m
IMO AB1/AP-3A is an M4 shielded inductive proximity switch with a 1 mm sensing distance, PNP normally open output, 10–30 V DC supply and 2 m PUR cable for industrial metal detection and automation applications.
£71.07
Why Choose the IMO AB1/AP-3A Inductive Proximity Switch?
The IMO AB1/AP-3A is an ultra-compact M4 shielded inductive proximity switch designed for reliable non-contact detection of metallic objects in industrial machinery and automation systems. Featuring a PNP normally open (NO) output, 1 mm nominal sensing distance and fixed 2 m PUR cable, it provides dependable position and presence sensing where installation space is limited.
The AB1/AP-3A uses an AISI 303 stainless steel M4 housing with a shielded, flush-mount sensing configuration. Its miniature cylindrical construction makes it particularly suitable for compact machinery, positioning equipment and automated assemblies where larger proximity sensors cannot easily be installed.
Operating from a 10–30 V DC supply, the sensor incorporates a yellow LED output-state indicator together with short-circuit, reverse-polarity and inductive-load protection. An IP67 protection rating and operating temperature range of -25 °C to +70 °C support reliable operation in demanding industrial environments.
Key Advantages
- Ultra-compact M4 inductive proximity sensor for space-restricted machinery.
- 1 mm nominal sensing distance for precise non-contact metal detection.
- PNP normally open output for integration with industrial control systems.
- Shielded construction enables flush mounting in metal.
- Durable AISI 303 stainless steel housing.
- IP67 protection for dependable industrial operation.
- Pre-wired 2 m PUR cable simplifies machine installation.
Key Features
- M4 cylindrical inductive proximity switch.
- PNP normally open (NO) switching output.
- 1 mm nominal sensing distance.
- 10–30 V DC operating voltage.
- Shielded / flush-mount sensing design.
- Maximum load current up to 100 mA.
- Switching frequency up to 3.5 kHz.
- Yellow LED indication for output status.
- Short-circuit and reverse-polarity protection.
- 2 m PUR fixed cable.
- IP67 degree of protection.
Precise Non-Contact Detection for Industrial Automation
Inductive proximity switches detect metallic targets without requiring physical contact between the sensor and moving machine components. This non-contact operating principle reduces mechanical wear and makes the AB1/AP-3A suitable for repetitive position, presence and end-of-travel detection in automated machinery.
The miniature M4 body is particularly useful where installation space is restricted. Combined with its fast switching capability, stainless steel construction and protected DC output circuitry, the AB1/AP-3A provides a practical sensing solution for high-speed and compact industrial automation equipment.
Typical Applications
- Machine position and presence detection.
- Packaging and production machinery.
- Automated assembly equipment.
- Conveyor and material handling systems.
- Robotics and compact automation systems.
- Metal component detection.
- End-of-travel and position monitoring.
- OEM machinery and industrial control systems.
Technical Specifications
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| Supply Voltage | 12 V DC, 24 V DC | |
|---|---|---|
| Coil / Supply Voltage | 10–30 V DC | |
| Mounting Condition | Flush | |
| IP Rating | IP67 | |
| Output Type | PNP | |
| Sensing Principle | Inductive | |
| Housing Size | M4 | |
| Sensing Distance | 1 mm | |
| Output Function | NO | |
| Connection | Cable | |
| Manufacturer | IMO Precision Controls | |
| Series | AB | |
| Model | AB1/AP-3A | |
| Product type | Inductive proximity switch | |
| Sensor size | M4 | |
| Thread | M4 × 0.5 | |
| Mounting | Shielded / flush | |
| Nominal sensing distance | 1 mm | |
| Output Type | PNP | |
| Output function | Normally open (NO) | |
| Operating voltage | 10–30 V DC | |
| Maximum load current | 100 mA | |
| Switching frequency | 3.5 kHz | |
| Output indication | Yellow LED | |
| Housing material | AISI 303 stainless steel | |
| Active head material | PBT | |
| Connection | Fixed PUR cable | |
| Cable length | 2 m | |
| Body length | 22 mm | |
| Operating temperature | -25 °C to +70 °C | |
| Protection rating | IP67 | |
| Tightening torque | 1.5 Nm | |
| Approvals | CE, UL | |
| Applicable standard | IEC 60947-5-2 | |
| HS Code | 8536508000 |
Frequently Asked Questions
What is the IMO AB1/AP-3A used for?
The AB1/AP-3A is an inductive proximity switch used for non-contact detection of metallic objects in machinery, positioning systems and industrial automation equipment.
What is the sensing distance of the AB1/AP-3A?
The AB1/AP-3A has a nominal sensing distance of 1 mm.
What output does the IMO AB1/AP-3A have?
The sensor provides a PNP normally open (NO) switching output for connection to compatible PLC and industrial control inputs.
What supply voltage does the AB1/AP-3A require?
The sensor is designed to operate from a 10–30 V DC supply.
Can the AB1/AP-3A be mounted flush in metal?
Yes. The AB1/AP-3A is a shielded M4 sensor designed for flush mounting, making it suitable for compact installations within metallic machine structures.
What cable is supplied with the AB1/AP-3A?
The sensor is supplied with an integral 2 m PUR cable, providing a robust connection for industrial machinery installations.
What is the protection rating of the AB1/AP-3A?
The AB1/AP-3A has an IP67 protection rating, providing protection against dust ingress and temporary water immersion under the conditions defined by the rating.
Trusted for Industrial Sensing and Automation
IMO proximity sensing products are used in industrial automation and machine-building applications where compact installation, reliable switching and dependable non-contact detection are essential.
