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COLUMBUS ELECTRIC HLT-1 Hazardous Location Single-Stage Control - Hazardous Location Single-Stage Controls
COLUMBUS ELECTRICHazardous Location Single-Stage Controls

COLUMBUS ELECTRIC HLT-1 Hazardous Location Single-Stage Control

The COLUMBUS ELECTRIC Hazardous Location Line Volt Mechanical Tstat (MPN HLT-1) is a single-stage control with an adjustable temperature differential of 2° to 4°F and a temperature control range of 40° to 110°F. It…

SKU 3G-OTH-67956

Also listed as: HLT1 · HLT 1

Brand
COLUMBUS ELECTRIC
Item
HLT-1 Hazardous Location Single-Stage Control
Part Number
HLT-1
Category
Hazardous Location Single-Stage Controls
Available to Order
Also known as:HLT-1COLUMBUS ELECTRIC
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

COLUMBUS ELECTRIC
Manufacturer Part Number
HLT-1
Type
: 40° to 110°F, Aluminum, Adj
Voltage
120/277V AC
Differential Type
Adjustable
Enclosure Material
Aluminum
Switch Type/Action
SPDT/ Open and Close on Rise
Temperature Differential
2° to 4°F
Temperature Control Range
40° to 110°F
Capillary Length/Bulb Diameter
5 in Capillary, 4-5/8 in x 5/16 in Bulb

Technical Documents

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

Product Description

The COLUMBUS ELECTRIC Hazardous Location Line Volt Mechanical Tstat (MPN HLT-1) is a single-stage control with an adjustable temperature differential of 2° to 4°F and a temperature control range of 40° to 110°F. It features a SPDT switch action (open and close on rise), operates at 120/277V AC, and includes a 5 in capillary with a 4-5/8 in x 5/16 in bulb. The enclosure is made of aluminum.

Frequently Asked Questions

What is the COLUMBUS ELECTRIC HLT-1 used for?

The COLUMBUS ELECTRIC HLT-1 is a hazardous location line-voltage mechanical thermostat used for single-stage temperature control in industrial environments where flammable gases or dust may be present. It is suitable for heating or cooling applications requiring SPDT switching and an adjustable differential.

What are the specifications of the COLUMBUS ELECTRIC HLT-1?

The HLT-1 has a temperature control range of 40° to 110°F, an adjustable differential of 2° to 4°F, and operates at 120/277V AC. It features SPDT switch action (open and close on rise), a 5-inch capillary with a 4-5/8 x 5/16-inch bulb, and an aluminum enclosure.

Where to buy the COLUMBUS ELECTRIC HLT-1 worldwide?

3G Electric supplies the COLUMBUS ELECTRIC HLT-1 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this thermostat to any country.

How to install the COLUMBUS ELECTRIC HLT-1 thermostat?

Install the HLT-1 in a hazardous location rated enclosure, ensuring the capillary and bulb are properly positioned in the controlled air stream. Follow local electrical codes and the manufacturer's wiring diagram for SPDT connections. Adjust the setpoint and differential using the accessible dials.

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 hazardous location single-stage controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Single-stage temperature control for hazardous locations. Features an adjustable temperature range of 40° to 110°F, adjustable differential of 2° to 4°F, and DPDT switch action (open/close on rise). Operates on 24 to 277V AC. Aluminum enclosure with 5-1/4 in capillary and 4-3/4 in x 5/16 in bulb. Defrost termination adjustable from 40° to 110°F
COLUMBUS ELECTRIC
Single-stage temperature control for hazardous locations. Features an adjustable temperature range of 40° to 110°F, adjustable differential of 2° to 4°F, and DPDT switch action (open/close on rise). Operates on 24 to 277V AC. Aluminum enclosure with 5-1/4 in capillary and 4-3/4 in x 5/16 in bulb. Defrost termination adjustable from 40° to 110°F

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