The TopWorx GO™ Switch Model 75 is a rugged proximity limit switch designed for reliable position sensing in environments where conventional mechanical switches fail. Built with a solid stainless-steel body and a sealed internal design, this leverless limit switch eliminates the common wear points found in traditional limit switches.
Engineers often select the Model 75 when applications involve high pressure, extreme temperatures, corrosive chemicals, or hazardous locations. With its flexible wiring options and ability to support both high and low electrical loads, the switch integrates easily into a wide range of control systems.
Features
GO™ Switch Model 75 Limit Switch - Proximity Sensor Features
The GO™ Switch Model 75 is engineered to provide consistent switching performance where vibration, contamination, or extreme conditions can cause traditional limit switches to fail.
Durable Leverless Design
The internal sensing mechanism eliminates mechanical levers and springs. With fewer wear components, the switch maintains reliable operation over long service intervals.
Wide Environmental Operating Range
The switch operates in temperatures ranging from -50°C to +105°C, with optional configurations capable of handling temperatures up to +204°C (400°F). This makes it ideal for high-temperature industrial processes.
High Pressure Capability
Depending on the configuration, the switch can be used in applications with pressures up to 10,000 PSI, making it suitable for demanding process control systems.
Flexible Electrical Integration
The switch features SPDT dry contacts rated for AC or DC loads and can be wired as normally open or normally closed depending on the application.
Corrosion-Resistant Construction
A 316 stainless-steel housing protects internal components from moisture, chemicals, and harsh environmental conditions.
Specifications
GO™ Switch Model 75 Limit Switch - Proximity Sensor Specifications
Electrical Specifications
- Contact type: SPDT (Single Pole Double Throw)
- Electrical rating:
- 4A @ 120 VAC
- 2A @ 240 VAC
- 3A @ 24 VDC
- Dry contact output
- AC/DC wiring capability
Sensing Performance
- Sensing type: End sensing
- Sensing distance: approx. 2.5 mm (0.100 in) for ferrous metals
- No power required to operate
Environmental Ratings
- Standard operating temperature: -50°C to +105°C
- Optional high-temperature version: up to +204°C (400°F)
- Pressure ratings: 2,000 / 5,000 / 10,000 PSI options
Construction
- Housing: 316 stainless steel
- Mounting thread: 5/8-18 UNF or metric options
- Conduit entry: 1/2" NPT
- Sealed contact chamber for environmental protection
Available Options
- High-temperature versions
- Hazardous area certifications (ATEX, IECEx, UL)
- Quick disconnect connectors
- Lead wires or cable assemblies
- Subsea connectors
- Hermetically sealed versions
Applications
GO™ Switch Model 75 Limit Switch - Proximity Sensor Applications
The TopWorx GO™ Switch Model 75 is widely used in applications that require high reliability and minimal maintenance.
Typical uses include:
- Valve Position Monitoring: Detect open or closed valve positions in automated process systems.
- Pump and Compressor Systems: Provide position or motion confirmation in high-pressure process equipment.
- Chemical Processing Plants: Resist corrosive chemicals, moisture, and aggressive environments.
- Oil & Gas Operations: Withstand extreme pressures, temperature swings, and hazardous area classifications.
- Marine & Subsea Systems: Certain configurations support subsea connectors and high-pressure environments.
Because the switch requires no external actuation components, it continues to perform even in applications with vibration, contamination, or mechanical abuse.
Q & A
GO™ Switch Model 75 Limit Switch - Proximity Sensor Q & A
Downloads
TopWorx™ GO™ Switch ATEX/IECEx Junction Head Brochure
TopWorx™ GO™ Switch Sensing Solution Brochure
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