Description 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: FeatureDetails ModelDAHHL501AC Heater TypeConductive, self-limiting Power50 W Voltage Range110–265 VAC/VDC Temp Range–76°F to 302°F (–60°C to 150°C) CertificationsATEX, IECEx, CE, cCSAus Hazardous RatingsZone 1 IIC T4, Class I Div 1 Groups A–D MaterialBlack anodized seawater-proof aluminum Dimensions3.5 in (H) × 1.6 in (W) × 1.2 in (D) Weight1.1 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.
