Hoffman ATEX/IECEx Hazardous Location Heater – 50W
The Hoffman DAHHL501AC is a 50-watt hazardous-location heater designed to protect electrical, mechanical, and instrumentation components from freezing temperatures, condensation, and corrosion. With a rugged anodized aluminum body and globally recognized Ex certifications, it delivers reliable thermal protection in high-risk areas including oil & gas, refineries, chemical plants, and industrial processing environments.
This compact conductive heater offers self-limiting power regulation, wide operating voltage (110–265V), and exceptional low-temperature performance down to –76°F (–60°C). Backed by ATEX, IECEx, CE, and cCSAus approvals, the DAHHL501AC ensures safe and stable heat delivery in Class I Division 1 and Zone 1 explosive atmospheres.
Key Features:
✅ 50W self-limiting conductive heater
✅ ATEX & IECEx certified for Zone 1, Gas Group IIC
✅ Class I Division 1 Groups A, B, C, D certified
✅ Operates safely from –76°F to 302°F (–60°C to 150°C)
✅ Wide voltage range: 110–265 VAC/VDC
✅ Rugged anodized aluminum construction
✅ Compact and lightweight: 1.1 lb / 0.50 kg
📦 Package Options:
🔹 Heater Only: Hoffman DAHHL501AC 50W unit
Hoffman DAHHL501AC Technical Specifications:
| Feature | Details |
|---|---|
| Model | DAHHL501AC |
| Heater Type | Conductive, self-limiting |
| Power | 50 W |
| Voltage Range | 110–265 VAC/VDC |
| Temp Range | –76°F to 302°F (–60°C to 150°C) |
| Certifications | ATEX, IECEx, CE, cCSAus |
| Hazardous Ratings | Zone 1 IIC T4, Class I Div 1 Groups A–D |
| Material | Black anodized seawater-proof aluminum |
| Dimensions | 3.5 in (H) × 1.6 in (W) × 1.2 in (D) |
| Weight | 1.1 lb (0.50 kg) |
Certifications & Compliance:
🔗 Certificate of Compliance: ATEX PTB 02 ATEX 1116 X – II 2G Ex db IIC T4, II 2D Ex tb IIIC T135°C
🔗 IECEx PTB 07.0055X – Ex db IIC T4 / Ex tb IIIC T135°C
🔗 cCSAus: Class I Div 1 Groups A, B, C, D T4; Class II Div 1 Groups E, F, G
🔗 CE Certified
🔗 IP65-rated aluminum construction
🔗 Download Datasheet
Applications of Hoffman DAHHL501AC Heater:
🔹 Oil & Gas Facilities
🔹 Chemical & Petrochemical Plants
🔹 Mining Operations
🔹 Instrumentation Panels
🔹 Analyzer Houses & Control Cabinets
What’s in the Box?
📦 1x Hoffman DAHHL501AC Hazardous Location Heater
📦 1x Installation Guide
📦 1x Mounting Hardware (if applicable)
Ordering & Shipping Details
📦 Lead Time: 2-3 weeks
📍 Shipping Terms: Worldwide / Expedited Options Available
💳 Payment Options: Credit Card, PayPal, Net 30 Terms
FAQs:
Is the DAHHL501AC safe for Class I Division 1 locations?
Yes. It meets Class I Div 1 Groups A-D and Zone 1 Group IIC certifications.
Does it require a thermostat?
A thermostat is recommended for temperature management, though 50W models may operate without one.
What is the operating temperature range?
–76°F to 302°F (–60°C to 150°C) according to page 9 of the datasheet. :contentReference[oaicite:1]{index=1}
Can it be mounted directly to equipment?
Yes—50W models can mount directly to manifolds, valves, analyzers, and instruments.