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COLUMBUS ELECTRIC

Columbus Electric is a manufacturer of electromechanical controls for HVAC, refrigeration, and industrial heating applications. The company's product line centers on line-voltage and low-voltage thermostats, pressure switches, and hazardous-location controls. These devices are used to regulate temperature and sense air pressure in residential, commercial, and industrial settings. Columbus Electric products are known for their straightforward, mechanical designs that provide reliable operation without the need for complex programming or external power in many cases. The product families include analog thermostats with exposed dials, single-stage and multi-stage controls, attic fan thermostats, gas wall and ceiling heater thermostats, portable cooling thermostats, and adjustable set-point air pressure switches. Many models are designed for specific voltage ranges, such as 24 to 277V AC, and offer temperature control spans like 50° to 90°F or 80° to 130°F. Hazardous location controls feature aluminum enclosures and adjustable differentials, suitable for environments where flammable gases or vapors may be present. Pressure switches cover ranges as low as 0.05 inches of water column up to 12 inches, with SPDT or DPDT switch actions. 3G Electric supplies the Columbus Electric line to plant engineers, maintenance managers, and procurement specialists worldwide. The catalog includes detailed specifications for each SKU, such as switch type, voltage rating, temperature range, and enclosure material, allowing buyers to match controls to their specific applications. 3G Electric provides global logistics support and access to technical documentation, ensuring that the correct replacement or new installation components are identified and delivered efficiently. Whether the requirement is a simple line-voltage thermostat for a commercial heating system or a hazardous-location control for an industrial process, the Columbus Electric range offers mechanical reliability and predictable performance.

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About COLUMBUS ELECTRIC

Columbus Electric is a manufacturer of electromechanical controls for HVAC, refrigeration, and industrial heating applications. The company's product line centers on line-voltage and low-voltage thermostats, pressure switches, and hazardous-location controls. These devices are used to regulate temperature and sense air pressure in residential, commercial, and industrial settings. Columbus Electric products are known for their straightforward, mechanical designs that provide reliable operation without the need for complex programming or external power in many cases. The product families include analog thermostats with exposed dials, single-stage and multi-stage controls, attic fan thermostats, gas wall and ceiling heater thermostats, portable cooling thermostats, and adjustable set-point air pressure switches. Many models are designed for specific voltage ranges, such as 24 to 277V AC, and offer temperature control spans like 50° to 90°F or 80° to 130°F. Hazardous location controls feature aluminum enclosures and adjustable differentials, suitable for environments where flammable gases or vapors may be present. Pressure switches cover ranges as low as 0.05 inches of water column up to 12 inches, with SPDT or DPDT switch actions. 3G Electric supplies the Columbus Electric line to plant engineers, maintenance managers, and procurement specialists worldwide. The catalog includes detailed specifications for each SKU, such as switch type, voltage rating, temperature range, and enclosure material, allowing buyers to match controls to their specific applications. 3G Electric provides global logistics support and access to technical documentation, ensuring that the correct replacement or new installation components are identified and delivered efficiently. Whether the requirement is a simple line-voltage thermostat for a commercial heating system or a hazardous-location control for an industrial process, the Columbus Electric range offers mechanical reliability and predictable performance.

Common Applications

  • Commercial HVAC — Columbus Electric Line Voltage Analog Thermostat (9502DS2T-P) for zone temperature control in office buildings.
  • Industrial heating — Columbus Electric Hazardous Location Line Volt Mechanical Tstat (HLT-1) for temperature regulation in paint booths or chemical storage areas.
  • Residential ventilation — Columbus Electric Attic Fan Thermostat (2E340) to activate attic exhaust fans in warm climates.
  • Gas heating systems — Columbus Electric Gas Wall and Ceiling Heater Thermostat (P322016) for space heating in warehouses or workshops.
  • Portable cooling equipment — Columbus Electric Portable Cooling Thermostat (KTO-121B) for temperature control in temporary cooling units.
  • HVAC air handling — Columbus Electric Adjustable Set-Point Air Pressure Switch (GRH3AD) for filter monitoring or fan proving in duct systems.

Guides & Resources

Frequently asked questions

Common questions about COLUMBUS ELECTRIC from 3G Electric.

What temperature range does the Columbus Electric Line Voltage Analog Thermostat (MPN 9502DS2T-P) cover?

The Columbus Electric Line Voltage Analog Thermostat, SKU 800XJ6, has a temperature control range of 50° to 90°F. It is rated for 24 to 277V AC and features a white plastic housing with a steel component. The thermostat measures 4 1/2 in x 2 3/4 in x 2 3/8 in and is suitable for direct switch applications. This model is designed for line-voltage control in heating or cooling systems where a simple analog interface is preferred.

What are the key specifications of the Columbus Electric Hazardous Location Line Volt Mechanical Tstat (MPN HLT-1)?

The Columbus Electric Hazardous Location Line Volt Mechanical Tstat, SKU 61LA04, is a single-stage control with an adjustable temperature range of 40° to 110°F and an adjustable differential of 2° to 4°F. It operates at 120/277V AC and has SPDT switch action (open and close on rise). The enclosure is made of aluminum, making it suitable for hazardous environments. This model is used where flammable gases or vapors may be present and a mechanical, line-voltage thermostat is required.

Can the Columbus Electric Attic Fan Thermostat be used for cooling applications only?

Yes, the Columbus Electric Attic Fan Thermostat, SKU 2E340, is a single-stage cool-only thermostat. It features an exposed dial and an SPST switch that closes on rise. The temperature control range is 80° to 130°F, and it operates at 120 to 240V AC. This thermostat is specifically designed to activate attic fans for ventilation when temperatures reach the set point. It is not intended for heating control.

What is the pressure range of the Columbus Electric Adjustable Set-Point Air Pressure Switch (MPN GRH3AD)?

The Columbus Electric Adjustable Set-Point Air Pressure Switch, SKU 2E462, has a pressure range of 0.05 to 12 inches of water column. It features auto reset and a SPDT switch rated at 24V AC. The switch is housed in a conduit box with integral compression fittings. This model is used for air pressure sensing in HVAC systems, such as proving fan or filter status. The adjustable set point allows for precise control based on system requirements.

What voltage does the Columbus Electric Gas Wall and Ceiling Heater Thermostat (MPN P322016) operate at?

The Columbus Electric Gas Wall and Ceiling Heater Thermostat, SKU 36FK66, operates at 750MV or 24V. It has a control range of 50° to 90°F and is suitable for residential and commercial heating applications. This thermostat is designed for use with gas-fired wall and ceiling heaters, providing simple analog temperature control. It is a non-programmable device with a mechanical operation.

Does 3G Electric supply COLUMBUS ELECTRIC products?

Yes — 3G Electric (S) Pte. Ltd. supplies COLUMBUS ELECTRIC products. We stock the COLUMBUS ELECTRIC catalog and supply genuine factory-original products with full manufacturer warranty and technical support.