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COLUMBUS ELECTRIC KTO-121B Nonprogrammable Thermostat for - Nonprogrammable Thermostats for Portable Cooling Equipment
COLUMBUS ELECTRICNonprogrammable Thermostats for Portable Cooling Equipment

COLUMBUS ELECTRIC KTO-121B Nonprogrammable Thermostat for

The COLUMBUS ELECTRIC Portable Cooling Thermostat (MPN KTO-121B) is a nonprogrammable analog thermostat for portable cooling equipment. It features a bi-metal sensor, SPST switch action (close on rise), and a steel…

SKU 3G-OTH-72061

Also listed as: KTO121B · KTO 121B

Brand
COLUMBUS ELECTRIC
Item
KTO-121B Nonprogrammable Thermostat for
Part Number
KTO-121B
Category
Nonprogrammable Thermostats for Portable Cooling Equipment
Available to Order
Also known as:KTO-121BCOLUMBUS ELECTRIC
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

COLUMBUS ELECTRIC
Manufacturer Part Number
KTO-121B
Sensor Type
Bi-Metal
Display Type
Analog
Switch Type/Action
SPST, Close on Rise
Programming Capability
Not Programmable
Temperature Differential
6° to 8°F
Enclosure Rating/Material
Not Rated, Steel
Temperature Control Range
-10° to 100°F

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COLUMBUS ELECTRIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The COLUMBUS ELECTRIC Portable Cooling Thermostat (MPN KTO-121B) is a nonprogrammable analog thermostat for portable cooling equipment. It features a bi-metal sensor, SPST switch action (close on rise), and a steel enclosure. The temperature control range is -10° to 100°F with a differential of 6° to 8°F.

Frequently Asked Questions

What is the COLUMBUS ELECTRIC Portable Cooling Thermostat used for?

This thermostat controls portable cooling equipment by sensing temperature with a bi-metal sensor and switching the cooling circuit on or off. It is commonly used in industrial or commercial environments where simple, reliable temperature regulation is needed without programmable features.

What are the specifications of the COLUMBUS ELECTRIC KTO-121B thermostat?

The KTO-121B is a nonprogrammable analog thermostat with SPST switch action (close on rise). It has a temperature control range of -10° to 100°F and a differential of 6° to 8°F. The sensor is bi-metal, the enclosure is steel (not rated), and it is manufactured by COLUMBUS ELECTRIC.

Where to buy the COLUMBUS ELECTRIC KTO-121B thermostat worldwide?

3G Electric supplies the COLUMBUS ELECTRIC KTO-121B thermostat to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the COLUMBUS ELECTRIC portable cooling thermostat?

Mount the steel enclosure securely near the cooling equipment. Connect the SPST switch wires according to the close-on-rise action: the circuit closes when temperature rises above the setpoint. Adjust the analog dial to the desired temperature within the -10° to 100°F range. Always follow local electrical codes.

Used in

Common applications for COLUMBUS ELECTRIC
Industrial burner control — Columbus Electric hazardous-location thermostats (HLT-1) for temperature regulation in explosive environments
HVAC system pressure monitoring — Columbus Electric adjustable air pressure switches (GRH3AD) for duct static pressure sensing
Gas wall heater temperature regulation — Columbus Electric gas heater thermostat (P322016) for 50° to 90°F control in residential heating
Attic ventilation management — Columbus Electric attic fan thermostat (1A22-7) for cool-only operation from 80° to 130°F
Portable cooling equipment — Columbus Electric nonprogrammable thermostat (KTO-121B) for SPST close-on-rise switching in temporary cooling units
Commercial building line-voltage control — Columbus Electric analog thermostat (9502DS2T-P) for 24 to 277V AC heating or cooling in plastic/steel enclosures
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COLUMBUS ELECTRIC Products

3G Electric supplies COLUMBUS ELECTRIC nonprogrammable thermostats for portable cooling equipment. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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