CZ CZ0240/51 Explosion-proof Illumination Switch, GRP, 16A 250V, Ex db eb IIC T6 Gb T80℃ Db, IP66, IECEx ATEX Approved

CZ0240/51 Explosion-proof Illumination Switch, GRP, 16A 250V

The Chuangzheng CZ0240/51 series explosion-proof illumination switch is a high-performance, robust control device designed for safe and reliable operation of lighting systems in hazardous industrial environments. Constructed from an advanced static-resistant Glass Reinforced Plastic (GRP) alloy, this switch offers exceptional chemical stability, corrosion resistance, and high mechanical impact strength, while ensuring a lightweight and durable solution. With internationally recognized IECEx, ATEX, and CCC certifications, and an Ex db eb IIC T6 Gb / Ex tb IIIC T80℃ Db explosion protection rating, the CZ0240/51 is certified for deployment in Zone 1, 2 (gas hazardous) and Zone 21, 22 (dust hazardous) areas. Featuring a generous wiring space for easy installation and an IP66 ingress protection rating, this switch guarantees long-term operational integrity and uncompromised safety for illumination circuit control.

Key Features:

• Global Explosion Protection Certifications: Holds comprehensive IECEx, ATEX, and CCC (China Compulsory Certification) approvals, signifying compliance with rigorous international and national safety standards.
• Superior Explosion Protection Rating: Certified with Ex db eb IIC T6 Gb for gas hazardous areas (Zones 1 & 2) and Ex tb IIIC T80℃ Db for dust hazardous areas (Zones 21 & 22), making it suitable for environments with highly flammable gases (Group IIC) and combustible dusts (Group IIIC).
• Robust GRP Construction: Made from an advanced, static-resistant Glass Reinforced Plastic (GRP) alloy, providing excellent resistance to chemicals, corrosion, and UV radiation, coupled with high impact resistance and a lightweight design.
• High IP66 Environmental Protection: Achieves an Ingress Protection rating of IP66, ensuring complete protection against dust ingress and strong water jets from any direction, making it ideal for the harshest industrial and outdoor settings.
• Wide Ambient Temperature Range: Designed for reliable operation across a broad temperature spectrum, from -40℃ to +55℃, demonstrating its suitability for diverse climatic conditions.
• Easy Installation and Large Wiring Space: Engineered with a user-friendly design and ample internal wiring space, simplifying the installation process and accommodating various cable types and connections.
• High Chemical Stability: The specialized alloy plastic enclosure provides superior chemical resistance, crucial for longevity and performance in aggressive industrial atmospheres.
• Maximum Electrical Ratings: Supports a maximum rated voltage of 250V AC and a maximum rated current of 16A, suitable for a wide range of industrial lighting circuits.
• Flexible Cable Entry: Equipped with high-quality brass and moulded plastic cable glands (exact configurations may vary by model spec) to ensure secure, flameproof, and dust-tight cable connections.

Detailed Technical Specifications:

Electrical Characteristics:

• Manufacturer: Chuangzheng Explosion-proof Electric Co., Ltd.
• Series: CZ0240/51
• Product Type: Explosion-proof Illumination Switch (Light Switch)
• Rated Voltage: 250V AC
• Rated Current: Max 16A
• Component Terminal Capacity: 2.5 mm²
• PE (Protective Earth) Terminal Capacity: 4 mm²

Explosion Protection & Environmental:

• Explosion Protection Marks:
  • China: Ex d eⅡC T6 Gb Ex tD A21 IP66 T80℃
  • IECEx: Ex db ebⅡC T6 Gb Ex tbⅢC T 80℃ Db
  • ATEX: Ⅱ2 G D Ex db ebⅡC T6 Gb Ex tbⅢC T 80℃ Db
• Applicable Hazardous Zones:
  • Zone 1 (Gases)
  • Zone 2 (Gases)
  • Zone 21 (Dusts)
  • Zone 22 (Dusts)
• Gas Group Compatibility: IIA, IIB, IIC
• Dust Group Compatibility: IIIA, IIIB, IIIC
• Temperature Class (Gas): T6 (Max Surface Temperature < 85℃)
• Maximum Surface Temperature (Dust): T80℃
• Ingress Protection (IP) Rating: IP66
• Ambient Temperature Range: -40℃ ≤ Ta ≤ +55℃

Mechanical Specifications:

• Housing Material: Alloy plastic of static resistance / GRP (Glass Reinforced Plastic)
• Cable Entry: Brass and moulded plastic cable glands (number and specific thread sizes can vary; standard configuration typically includes common industrial sizes)
• Mounting Type: Surface mountable (designed for secure fastening to walls or panels)
• Switch Type: Illumination switch (On/Off control for lighting circuits)

Standards & Compliance:

• Certifications:
  • CCC (China Compulsory Certification): CE17.5039X
  • IECEx: IECEx CML 17.0025X
  • ATEX: CML 17 ATEX 1040X
• Applicable Standards: Conforms to relevant national standards (e.g., GB3836 series) and international standards (e.g., IEC 60079 series, EN 60079 series) for explosion-proof electrical equipment.

Applications:

The Chuangzheng CZ0240/51 Explosion-proof Illumination Switch is an essential control device for reliable and safe management of lighting systems in various hazardous industrial environments, including:

• Chemical and Petrochemical Plants: Control of lighting fixtures in processing areas, storage tanks, and pump stations with flammable gases and vapors.
• Oil and Gas Industries: Operating lighting systems on offshore platforms, drilling rigs, refineries, and hazardous onshore facilities.
• Pharmaceutical and Fine Chemical Manufacturing: Switching lighting in production, purification, and packaging areas where explosive atmospheres may exist.
• Paint and Coating Facilities: Controlling lights in spray booths, mixing rooms, and drying ovens where flammable solvents are present.
• Grain Silos, Food Processing Plants, and Biofuel Production: Managing lighting in areas where combustible dusts (e.g., flour, sugar, grain dust) pose an explosion risk.
• Wastewater Treatment Plants: Enabling safe control of lighting in areas where methane or other flammable gases may accumulate.
• Any hazardous industrial workshop or facility requiring a robust, certified, and corrosion-resistant switch for lighting circuits.