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Featured Brands
DeltaV
Fisher Control Valves
Bettis Actuators
Vanessa Triple Offset Valves
Keystone Butterfly Valves
Clarkson Knife Gate Valves
AEV Severe Service Isolation Valves
Crosby Safety Relief Valves
Anderson Greenwood Safety Relief Valves
IRISS Engineered Solutions
Hydro-Thermal
Featured Brands
Emerson Brands
Complementary Brands
Brands
Back
Products
Back
Control Valves
Globe Valves
Three Way Valves
Rotary Valves
Sanitary Valves
Engineered Products
Steam Conditioning & Desuperheating
Control Valves
Back
Isolation Valves
Triple Offset Valves
Butterfly Valves
Ball Valves
Gate Valves
Globe Valves
Check Valves
Angle Valves
Lined Valves
Knife Gate Valves
Isolation Valves
Back
Pressure Management
Regulators
Pressure Relief & Safety Valves
Flame and Detonation Arrestors
Tank Vents and Hatches
Bulk Storage and Transport Equipment
Steam Traps
Pressure Management
Back
Valve Controllers & Instruments
Digital Valve Controllers
Discrete Valve Controllers
Level Sensors and Controllers
Configuration & Diagnostic Software
Positioners
Pneumatic Pressure Controllers
Transducers
Controllers Instruments Accessories
Switches & Position Sensors
Accessory Valves
Boiler Level Instrumentation
Jet Pumps / Eductors
Valve Controllers & Instruments
Back
Valve Actuation & Accessories
Electric Actuators
Pneumatic Actuators
Hydraulic Actuators
Gear Operators
Valve Operating Solution VOS
Actuator Accessories
Valve Actuation & Accessories
Back
Control and Safety Systems
Distributed Control Systems
Safety Instrumented Systems
SCADA Systems
BioReactor Control Systems
Control and Safety Systems
Back
Asset Reliability
Machinery Health Management
Asset Monitoring
Field Device Management
Operations Analytics
Asset Reliability
Back
Operations and Business Management
Manufacturing Execution Systems
Midstream Oil and Gas Applications
Reservoir Management Software
Upstream Oil and Gas Applications
Digital Twin Software
Operations and Business Management
Back
Solenoids and Pneumatics
Air Preparation
Cylinders & Actuators
Solenoid Valves
Pneumatic Valves & Control
Globe & Angle Seat Valves
Accessories
Microfluidic Valves
Laboratory Valves
Instrumentation Valves
Solenoids and Pneumatics
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Industrial Wireless
Wireless Infrastructure
Industrial Wireless
Products
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Services
Back
Project Services
Software Services
Hardware Services
Consulting
Start-up & Commissioning
Project Management
Project Services
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Actuator and Valve Services
Control Valve Repair
Diagnostic Services
Start-Up and Commissioning
Outage and Turnaround Management
AOV & MOV Valve Repair
Turnaround Support - Isolation Valves
Leak Detection
PM Services
Pressure Relief Valve Service & Repair
Actuator and Valve Services
Back
Control System Services
Support Agreement Programs
On Demand Service - Control Systems
Alarm Optimization & Management
Wireless Plant Network Support
Control System Services
Back
Mechanical Services
Field Machining
Heat Treatment
Welding
Mechanical Services
Back
Machinery Reliability Services
Vibration Diagnostic Services
Lubrication & Oil Analysis
Predictive Maintenance
Root Cause Failure Analysis
Machinery Reliability Services
Services
Back
Industries
Back
Life Sciences
Back
Drug Substance Manufacturing
Batch Automation
Process Instrumentation
Operations Management
Compliance & Data Management
Production Scheduling
Process Analytical Technology
Calibration & Instrumentation Technology
Essential Asset Monitoring
Flexible Automation
Drug Substance Manufacturing
Back
Drug Products Manufacturing
Process Instrumentation and Valves
Calibration & Instrumentation Technology
Essential Asset Monitoring
Flexible Automation
Compliance & Data Management
Process Analytical Technology
Operations Management
Production Scheduling
Drug Products Manufacturing
Back
Research & Development
Lab Automation
Paperless Management
Process Analytical Technology
Process Instrumentation
Flexible Automation
Research & Development
Back
Packaging
Workflow Automation
Production Scheduling
Flexible Automation
Process Instrumentation
Packaging
Back
OEM
Flexible Automation
Process Analytical Technology
Process Instrumentation and Final Control
OEM
Life Sciences
Back
Power Generation
Back
Thermal Power
Back
Balance of plant
Cooling Tower Vibration Monitoring
Balance of plant
Turbine & Generator
Back
Boiler
Boiler Drum Level Indication
Condensate Control
Feedwater Control
Steam Conditioning
Heater Drain Control
Sky Vent Silencing
Steam System Control
Mechanical Condition Monitoring
Boiler
Thermal Power
Power Generation
Back
Refining
Back
Hydrogen Plant
Pressure Swing Adsorption (PSA)
Control & Isolation
Pressure Management
Hydrogen Plant
Back
Coker
Coker Drum Switching
Heater Fuel Gas Supply
Furnace Feed
Emergency Shutdown
Coker
Back
Fluid Catalytic Cracking Unit
Fractionator Pump Around Control
Fractionator Bottoms Flow Control
Charge Oil Flow Control
Pressure Management
Fluid Catalytic Cracking Unit
Back
CCR
Catalytic Feed Control
CCR
Back
Utilities
Boiler Optimization
Pressure Management
Steam Generation
Utilities
Back
Distillation & Fractionation
Reflux Control
Distillation & Fractionation
Back
Alkylation
Acid Feed Control
Accumulated Acid flow Control
Pressure Management
Control & Isolation
Alkylation
Back
Sulphur Recovery Unit
Acid Gas Control
Sulphur Recovery Unit
Back
Gas Plant
Wet Gas Recycle Control
Gas Plant
Back
Hydroprocessing
Feed Control
Pressure Management
Hydroprocessing
Back
Vacuum Distillation Unit
Feed Control
Pressure Management
Vacuum Distillation Unit
Back
Balance of Plant
Flare System
Rail / Truck Loading
Tank Farm
Blending
Balance of Plant
Refining
Back
Pulp and Paper
Back
Power and Recovery
Desuperheaters
Drum Level
Steam Header Management
Power and Recovery
Back
Recaust
Green Liquor
Recaust Optimization
Recaust
Back
Pulping
Brown Stock Rejects
Brown Stock Washing Optimization
Pulping
Back
Bleaching
Chlorine Dioxide Addition
Chlorine Dioxide Generator Optimization
Bleaching
Back
Machine
Basis Weight
Pulp Machine Control
Machine
Pulp and Paper
Back
Chemical
Back
Fertilizers
Ammonia Production
Level & Control
Fertilizers
Back
Distillation
Process Control
Temperature and Pressure Control
Distillation
Back
Pumps
Vibration Monitoring
Overpressure Protection
Asset Monitoring
Pumps
Back
Storage & Distribution
Tank Farm
Storage & Distribution
Back
Reactors
High Pressure Letdown
Asset Monitoring
Process Control
Reactors
Back
Compressors
Vibration Monitoring
Asset Monitoring
Overpressure Protection
Anti-Surge Technology
Compressors
Back
Fired Equipment/Furnaces
Steam Conditioning
Fired Equipment/Furnaces
Back
Heat Exchangers
Temperature Control
Process Control
Steam Conditioning
Asset Monitoring
Heat Exchangers
Chemical
Metals & Mining
Back
Oil & Gas
Back
Onshore Oil & Gas Production
Wireless Tank Management
Back
Well Pad Automation & SCADA
LACT
SCADA
Remote Telemetry
Packaged Wellhead Automation
Well Pad Automation & SCADA
Back
Production Optimization, Safety & Compliance
Safety - Automated ESD and Choke
Optimization
Emissions Mitigation
Production Optimization, Safety & Compliance
Back
Wellhead
Remote Telemetry
Wellhead Monitoring
Wireless Wellhead
Production Optimization
Automated ESD and Choke
Metering
Regulatory Compliance
Wellhead
Onshore Oil & Gas Production
Back
Midstream Oil and Gas
Back
Natural Gas Compression
Vibration & Condition Monitoring
Pressure Management
Process Instrumentation, Isolation, & Control Valves
Environmental Solutions
Startup, Commissioning & Field Services
Natural Gas Compression
Back
Pipeline Transmission & Transportation
Remote Monitoring & Control
Pipeline & Terminal Control
Pipeline Safety
Pipeline Transmission & Transportation
Back
Natural Gas Processing
Dehydration
Sulphur Recovery
Fractionation
Liquified Natural Gas Processing
Field and Plant Integrated Operations
Cryogenic Separation
Gas Inlet
Natural Gas Processing
Midstream Oil and Gas
Back
Terminals, Tank Farms & Storage
Back
Liquid Mainline
Isolation Block and Emergency Shutdown
Liquid Mainline
Back
Storage
Fire & Gas Detection
Pressure Management
Inventory Tank Gauging
Level Indication
Manifold Isolation
Storage
Back
Pump Stations
Vibration & Condition Monitoring
Pump Station Control
Pump Isolation Valves
Pump Stations
Terminals, Tank Farms & Storage
Oil & Gas
Back
Data Center and HVAC Building Automation
Back
Mission Critical Data Centers
Intelligent Staging
Simulation and Testing
Layered Redundancy with Software
Mission Critical Data Centers
Back
HVAC Building Automation
Energy Efficient HVAC Automation
HVAC Building Automation
Data Center and HVAC Building Automation
Back
Biorefining
Back
Balance of Plant
Flare System
Proof Blending
Tank Farm
Rail / Truck Loading
Balance of Plant
Dry Milling
Wet Milling
Milling & Fermentation
Back
Distillation
Reflux Control
Back
Vacuum Distillation Unit
Feed Control
Pressure Management
Vacuum Distillation Unit
Distillation
Molecular Sieve
Back
Utilities
Boiler Optimization
Pressure Management
Steam Generation
Utilities
Biorefining
Industries
Back
Solutions
Back
Reliability
AMS Asset Monitor
AMS Wireless Vibration Monitor
Reliability
Back
Life Sciences
Manufacturing Solutions For cGMP Facilities
PAT – Process Analytical Technology
MES - Manufacturing Execution System
Life Sciences
Back
Life Cycle Services
Pressure Relief Valves
Life Cycle Services
Digital Transformation
Back
Control Systems
Cybersecurity
Alarm Management
Control Systems
Solutions
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Digital Transformation
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Products
Valve Controllers & Instruments
Switches & Position Sensors
TopWorx™ GO™ Switch Model 21
Overview
Offering the same features as the GO™ Switch Model 11, The Model 21 GO™ Switch provides a smaller design.
All GO™ Switch wiring options include A/C, D/C, N/O or N/C, consumes no power to operate and has no current leakage or voltage drop.
Resources
All
Brochures
Certificates & Approvals
Manuals & Guides
PDF
Size: 5.2mb
Brochures
Brochure: GO Switch Product | Topworx
PDF
Size: 13.1mb
Brochures
Brochure: Industrial & Commercial Segment | Emerson
PDF
Size: 2.0mb
Certificates & Approvals
Approval: CCC Self-Declaration of Conformity | Topworx
PDF
Size: 2.2mb
Certificates & Approvals
Approval: CQC Product Certificate | Topworx
PDF
Size: 1.2mb
Certificates & Approvals
Certificate: ATEX-Flameproof & Increased Safety (Ex db eb) | Topworx
PDF
Size: 8.1mb
Certificates & Approvals
Certificate: ATEX-Intrinsically Safe (Ex ia) | Topworx
PDF
Size: 162kb
Certificates & Approvals
Certificate: CSA-Cl I, Div 1 & 2; Cl II, Div 1 & 2; Cl III | Topworx
PDF
Size: 284kb
Certificates & Approvals
Certificate: FM-Cl I, Div 1; Cl I, Div 2 | Topworx
PDF
Size: 2.2mb
Certificates & Approvals
Certificate: IECEx-Flameproof & Increased Safety (Ex db eb) | Topworx
PDF
Size: 3.5mb
Certificates & Approvals
Certificate: IECEx-Intrinsically Safe (Ex ia) | Topworx
PDF
Size: 100kb
Certificates & Approvals
Certificate: PESO-Intrinsic Safety (Ex ia) | Topworx
PDF
Size: 143kb
Certificates & Approvals
Certificate: Quality Assurance Notification-Louisville, KY, USA | Topworx
PDF
Size: 555kb
Certificates & Approvals
Certificate: SIL 2 Certificate | Topworx
PDF
Size: 257kb
Certificates & Approvals
Certificate: UL-Hazardous Locations for US & Canada | Topworx
PDF
Size: 344kb
Certificates & Approvals
Certificate: UL-Ordinary Locations for US & Canada | Topworx
PDF
Size: 62kb
Certificates & Approvals
Declaration of Conformity: EU-(HazLoc Intrinsically Safe) | Topworx
PDF
Size: 63kb
Certificates & Approvals
Declaration of Conformity: EU/UK-(Low Voltage & Electromagnetic Compatibility) | Topworx
PDF
Size: 2.2mb
Manuals & Guides
Manual: GO™ Switch 10 & 20 Series IOM | Topworx
Features
Durable welded stainless steel construction withstands moisture, salt, corrosives, and abuse
Heavy-duty contacts
Seesaw armature provides snap action and high contact pressure
No lever arms, cams, or springs to break or fail
Immune to RFI
Consumes no power to operate
No current leakage
Currently the only explosion proof proximity switch rated to 10 amps in the world