Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
NVENT HOFFMAN DAHHL4001A Heater, 400 W, 120 VAC
nVent HOFFMAN DAHHL4001A is a 400 W 120 VAC hazardous location enclosure heater designed to prevent condensation and protect industrial equipment.
Why Choose the nVent HOFFMAN DAHHL4001A Heater?
The nVent HOFFMAN DAHHL4001A is a high-performance hazardous location enclosure heater designed to protect electrical equipment from low temperatures, condensation and corrosion in demanding industrial environments. As part of the advanced nVent HOFFMAN hazardous location heater range, it provides reliable thermal management for enclosures containing sensitive electrical and instrumentation components.
This finned convection heater transfers heat to the surrounding air, creating a natural convection current that helps maintain stable enclosure temperatures. The DAHHL4001A is specifically designed for hazardous area applications where reliable protection of electronic components, measuring instruments and control equipment is required.
With a rated heating output of 400 W and a 120 VAC nominal supply, the DAHHL4001A provides effective freeze protection and condensation control for industrial cabinets and small enclosures. Its black anodised aluminium construction provides durable performance in demanding environments.
Key Advantages
- High-performance hazardous location enclosure heater.
- 400 W heating capacity for effective thermal protection.
- 120 VAC operation for industrial electrical applications.
- Helps prevent condensation, corrosion and freezing conditions.
- Black anodised aluminium construction for durable operation.
- Suitable for hazardous areas requiring reliable enclosure heating.
Key Features
- nVent HOFFMAN hazardous location heater series.
- Model: DAHHL4001A.
- 400 W rated heating power.
- 120 VAC nominal voltage.
- Convection heating design using finned heater technology.
- Black anodised aluminium material.
- Designed for hazardous area enclosure applications.
- Provides freeze protection down to -60 °C.
- Requires a suitable thermostat for controlled operation.
Reliable Thermal Protection for Hazardous Area Systems
Enclosure heaters such as the nVent HOFFMAN DAHHL4001A help maintain reliable operation of electrical and instrumentation equipment by reducing the risk of condensation and temperature-related failures. Stable internal temperatures are essential for protecting sensitive components in industrial installations.
The DAHHL4001A is designed for industrial engineers, panel builders and automation specialists working with hazardous area equipment. Its convection heating design provides effective heat distribution while supporting dependable enclosure climate management.
Typical Applications
- Hazardous area electrical enclosures.
- Industrial instrumentation cabinets.
- Control valves and process equipment protection.
- Measurement and analysis equipment enclosures.
- Oil, gas and chemical processing environments.
- Industrial automation systems requiring freeze protection.
Technical Specifications
Tick the specs you need, then view products that match.
| IP Rating | IP66 | |
|---|---|---|
| Coil / Supply Voltage | 120 V AC | |
| External Size (mm) | 225 × 229 mm | |
| Device Type | Convection heater (PTC) | |
| Voltage | 120 V AC | |
| Heating Output (W) | 400 W | |
| Country of Manufacture | Germany | |
| Manufacturer | nVent HOFFMAN | |
| Product type | Hazardous location enclosure heater | |
| Model | DAHHL4001A | |
| Heating capacity | 400 W | |
| Nominal voltage | 120 VAC | |
| Voltage range | 108–132 VAC | |
| Heating type | Convection | |
| Temperature classification | T3 | |
| Protection rating | IP66 / IP68 | |
| Dimensions (H × W × D) | approx. 225 × 229 × 60 mm | |
| Application | Hazardous area enclosure heating |
Frequently Asked Questions
What is the nVent HOFFMAN DAHHL4001A used for?
The DAHHL4001A is a hazardous location heater designed to protect electrical and instrumentation equipment from freezing temperatures, condensation and corrosion.
What heating power does this heater provide?
The nVent HOFFMAN DAHHL4001A provides a rated heating output of 400 W.
What supply voltage does the DAHHL4001A require?
The heater operates from a 120 VAC nominal supply with an operating range of 108–132 VAC.
What protection rating does this heater provide?
The DAHHL4001A provides IP66 / IP68 protection and is designed for hazardous location applications.
Does this heater require a thermostat?
The DAHHL4001A requires a suitable thermostat or temperature controller for controlled enclosure heating operation.
Trusted by Industrial Engineers Worldwide
nVent HOFFMAN hazardous location heaters are used by engineers and industrial specialists worldwide to provide reliable thermal protection for critical electrical and instrumentation equipment.
