TopWorx™ 52M is a low-profile, dry contact, proximity sensor with a 316L sensing face in an industry-standard 12mm package. The 52M does not require power to operate and is polarity insensitive, with zero need to specify NPN or PNP circuits, and maintains the ability to be a plug-and-play replacement for inductive proximity sensors. Also, the 52M can handle a wide current range from 5mA to 2A @ 24VDC and a wide temperature range from -40°F to 212°F (-40°C to 100°C).
Features
GO™ Switch Model 52M Limit Switch Features
- Does not require power to operate
- Polarity Insensitive, no need to specify NPN or PNP
- Weld Field Immune Standard
- Simple contact arrangement
- Higher current rating
- Broader temperature range
- Stainless Steel Sensing Face
- Quick Delivery
Specifications
GO™ Switch Model 52M Limit Switch Specifications
- Nominal sensing distance: 1.5 mm (0.060 in)
- Hysteresis: 0.2 mm (0.008 in)
- Actuating element: Ferrous metal or magnet (N)
- DC electrical rating: 2A @ 24 VDC
- AC electrical rating: 2A @ 120 VAC
- Max initial contact resistance: 0.5 Ohm
- Max switching frequency: 10 Hz
- Operating temperature range: -40°C to 100°C (-40°F to 212°F)
- Enclosure material: 316L stainless steel
Applications
GO™ Switch Model 52M Limit Switch Applications
- Great for machine tools
- 3D printing equipment
- Food & Beverage
- Pharmaceutical & Life Sciences
- Industrial Equipment, i.e., regulators, lift elevators, etc.
Q & A
GO™ Switch Model 52M Limit Switch Q & A
What makes the GO™ Switch Model 52M different is that it is a dry contact sensor in a 12 mm inductive-style package with no power required. Its compact 12mm design makes it ideal for tight installation spaces while delivering rugged, industrial-grade performance.
No, one of the biggest advantages of the Model 52M is that it does not require external power. It operates using dry contact technology, which eliminates issues like voltage drop, leakage current, and wiring complexity.
This makes it especially valuable in:
- Remote or low-power environments
- Safety-critical applications
- Facilities looking to simplify wiring and reduce energy usage
Yes. The Model 52M is designed as a plug-and-play replacement for many inductive proximity sensors, with added benefits like higher durability and broader electrical compatibility.
Key advantages over inductive sensors:
- No need to specify NPN or PNP (polarity insensitive)
- Works across a wide current range (5mA to 2A)
- Greater resistance to electrical noise and weld fields
- Longer operational life due to no solid-state failure modes
The Model 52M is built for extreme industrial conditions. It features a 316L stainless steel sensing face and a sealed design that resists contamination, moisture, and corrosion.
It also performs reliably under:
- Wide temperature ranges (-40°F to 212°F / -40°C to 100°C)
- High vibration and shock conditions
- Electrically noisy environments (e.g., weld fields)
This durability helps reduce downtime and maintenance costs in demanding applications.
The Model 52M offers a combination of compact size and strong electrical performance:
- Sensing distance: ~1.5 mm
- Electrical rating: Up to 2A (AC/DC)
- Switch type: Dry contact (SPDT configurable)
- Operating temperature: -40°C to 100°C
- Housing: 316L stainless steel
- Switching frequency: Up to 10 Hz
These specs make it suitable for both light-duty automation and heavier industrial applications requiring reliable switching.
Downloads
Download TopWorx™ GO™ Switch Model 52M Limit Switch Datasheet
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